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infiltration</title> <meta name="description" content="Search results for: chloride infiltration"> <meta name="keywords" content="chloride infiltration"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="chloride infiltration"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 887</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: chloride infiltration</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">887</span> Study of Corrosion in Structures due to Chloride Infiltration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sukrit%20Ghorai">Sukrit Ghorai</a>, <a href="https://publications.waset.org/abstracts/search?q=Akku%20Aby%20Mathews"> Akku Aby Mathews</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Corrosion in reinforcing steel is the leading cause for deterioration in concrete structures. It is an electrochemical process which leads to volumetric change in concrete and causes cracking, delamination and spalling. The objective of the study is to provide a rational method to estimate the probable chloride concentration at the reinforcement level for a known surface chloride concentration. The paper derives the formulation of design charts to aid engineers for quick calculation of the chloride concentration. Furthermore, the paper focuses on comparison of durability design against corrosion with American, European and Indian design standards. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration" title="chloride infiltration">chloride infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion" title=" corrosion"> corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=design%20charts" title=" design charts"> design charts</a> </p> <a href="https://publications.waset.org/abstracts/61630/study-of-corrosion-in-structures-due-to-chloride-infiltration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61630.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">410</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">886</span> Detection of Intravenous Infiltration Using Impedance Parameters in Patients in a Long-Term Care Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ihn%20Sook%20Jeong">Ihn Sook Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Eun%20Joo%20Lee"> Eun Joo Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae%20Hyung%20Kim"> Jae Hyung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Gun%20Ho%20Kim"> Gun Ho Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Young%20Jun%20Hwang"> Young Jun Hwang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated intravenous (IV) infiltration using bioelectrical impedance for 27 hospitalized patients in a long-term care hospital. Impedance parameters showed significant differences before and after infiltration as follows. First, the resistance (R) after infiltration significantly decreased compared to the initial resistance. This indicates that the IV solution flowing from the vein due to infiltration accumulates in the extracellular fluid (ECF). Second, the relative resistance at 50 kHz was 0.94 ± 0.07 in 9 subjects without infiltration and was 0.75 ± 0.12 in 18 subjects with infiltration. Third, the magnitude of the reactance (Xc) decreased after infiltration. This is because IV solution and blood components released from the vein tend to aggregate in the cell membrane (and acts analogously to the linear/parallel circuit), thereby increasing the capacitance (Cm) of the cell membrane and reducing the magnitude of reactance. Finally, the data points plotted in the R-Xc graph were distributed on the upper right before infiltration but on the lower left after infiltration. This indicates that the infiltration caused accumulation of fluid or blood components in the epidermal and subcutaneous tissues, resulting in reduced resistance and reactance, thereby lowering integrity of the cell membrane. Our findings suggest that bioelectrical impedance is an effective method for detection of infiltration in a noninvasive and quantitative manner. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intravenous%20infiltration" title="intravenous infiltration">intravenous infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=impedance" title=" impedance"> impedance</a>, <a href="https://publications.waset.org/abstracts/search?q=parameters" title=" parameters"> parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance" title=" resistance"> resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=reactance" title=" reactance"> reactance</a> </p> <a href="https://publications.waset.org/abstracts/96899/detection-of-intravenous-infiltration-using-impedance-parameters-in-patients-in-a-long-term-care-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96899.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">182</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">885</span> Chloride Transport in Ultra High Performance Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radka%20Pernicova">Radka Pernicova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Chloride resistance in Ultra High Performance Concrete (UHPC) is determined in this paper. This work deals with the one dimension chloride transport, which can be potentially dangerous particularly for the durability of concrete structures. Risk of reinforcement corrosion due to exposure to the concrete surface to direct the action of chloride ions (mainly in the form de-icing salts or groundwater) is dangerously increases. The measured data are investigated depending on the depth of penetration of chloride ions into the concrete structure. Comparative measurements with normal strength concrete are done as well. The experimental results showed that UHCP have improved resistance of chlorides penetration than NSC and also chloride diffusion depth is significantly lower in UHCP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride" title="chloride">chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=one%20dimensional%20diffusion" title=" one dimensional diffusion"> one dimensional diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=transport" title=" transport"> transport</a>, <a href="https://publications.waset.org/abstracts/search?q=salinity" title=" salinity"> salinity</a>, <a href="https://publications.waset.org/abstracts/search?q=UHPC" title=" UHPC"> UHPC</a> </p> <a href="https://publications.waset.org/abstracts/17704/chloride-transport-in-ultra-high-performance-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17704.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">435</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">884</span> Investigation of Steady State Infiltration Rate for Different Head Condition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nour%20Aljafari">Nour Aljafari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariam"> Mariam</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Maani"> S. Maani</a>, <a href="https://publications.waset.org/abstracts/search?q=Serter%20Atabay"> Serter Atabay</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarig%20Ali"> Tarig Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Daker"> Said Daker</a>, <a href="https://publications.waset.org/abstracts/search?q=Lara%20Daher"> Lara Daher</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamad%20Bukhammas"> Hamad Bukhammas</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Abou%20Shakra"> Mohammed Abou Shakra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims at determining the soil characteristics that influence the irrigation process of green landscapes and deciding on the optimum amount of water needed for irrigation. The laboratory experiments were conducted using the constant head methodology to determine the soil infiltration rates. The steady state infiltration rate was reached after 10 minutes of infiltration at a rate of 200 mm/hr. The effects of different water heads on infiltration rates were also investigated, and the head of 11 cm was found to be the optimum head for the test. The experimental results showed consistent infiltration results for the range between 11 cm and 15 cm. The study also involved finding the initial moisture content, which ranged between 5% and 25%, and finding the organic content, which occupied 1% to 2% of the soil. These results will be later utilized, using the water balance approach, to estimate the optimum amount of water needed for irrigation for changing weather conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infiltration%20rate" title="infiltration rate">infiltration rate</a>, <a href="https://publications.waset.org/abstracts/search?q=moisture%20content" title=" moisture content"> moisture content</a>, <a href="https://publications.waset.org/abstracts/search?q=grass%20type" title=" grass type"> grass type</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20content" title=" organic content"> organic content</a> </p> <a href="https://publications.waset.org/abstracts/52538/investigation-of-steady-state-infiltration-rate-for-different-head-condition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52538.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">294</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">883</span> Conjunctive Use of Shallow Groundwater for Irrigation Purpose: The Case of Wonji Shoa Sugar Estate, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Megersa%20Olumana%20Dinka">Megersa Olumana Dinka</a>, <a href="https://publications.waset.org/abstracts/search?q=Kassahun%20Birhanu%20Tadesse"> Kassahun Birhanu Tadesse</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Irrigation suitability of shallow groundwater (SGW) was investigated by taking thirty groundwater samples from piezometers and hand-dug wells in Wonji Shoa Sugar Estate (WSSE) (Ethiopia). Many physicochemical parameters (Mg²⁺, Na⁺, Ca²⁺, K⁺, CO₃-, SO4²⁻, HCO₃⁻, Cl⁻, TH, EC, TDS and pH) were analyzed following standard procedures. Different irrigation indices (MAR, SSP, SAR, RSC, KR, and PI) were also used for SGW suitability assessment. If all SGW are blended and used for irrigation, the salinity problem would be slight to moderate, and 100% of potential sugarcane yield could be obtained. The infiltration and sodium ion toxicity problems of the blended water would be none to moderate, and slight to moderate, respectively. As sugarcane is semi-tolerant to sodium toxicity, no significant sodium toxicity problem would be expected from the use of blended water. Blending SGW would also reduce each chloride and boron ion toxicity to none. In general, the rating of SGW was good to excellent for irrigation in terms of average EC (salinity), and excellent in terms of average SAR (infiltration). The SGW of the WSSE was categorized under C3S1 (high salinity and low sodium hazard). In conclusion, the conjunctive use of groundwater for irrigation would help to reduce the potential effect of waterlogging and salinization and their associated problems on soil and sugarcane production and productivity. However, a high value of SSP and RSC indicate a high possibility of infiltration problem. Hence, it is advisable to use the SGW for irrigation after blending with surface water. In this case, the optimum blending ratio of the surface to SGW sources has to be determined for sustainable sugarcane productivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blending" title="blending">blending</a>, <a href="https://publications.waset.org/abstracts/search?q=infiltration" title=" infiltration"> infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=salinity" title=" salinity"> salinity</a>, <a href="https://publications.waset.org/abstracts/search?q=sodicity" title=" sodicity"> sodicity</a>, <a href="https://publications.waset.org/abstracts/search?q=sugarcane" title=" sugarcane"> sugarcane</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity" title=" toxicity"> toxicity</a> </p> <a href="https://publications.waset.org/abstracts/81841/conjunctive-use-of-shallow-groundwater-for-irrigation-purpose-the-case-of-wonji-shoa-sugar-estate-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81841.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">382</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">882</span> Decision Tree Analysis of Risk Factors for Intravenous Infiltration among Hospitalized Children: A Retrospective Study </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soon-Mi%20Park">Soon-Mi Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Ihn%20Sook%20Jeong"> Ihn Sook Jeong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This retrospective study was aimed to identify risk factors of intravenous (IV) infiltration for hospitalized children. The participants were 1,174 children for test and 424 children for validation, who admitted to a general hospital, received peripheral intravenous injection therapy at least once and had complete records. Data were analyzed with frequency and percentage or mean and standard deviation were calculated, and decision tree analysis was used to screen for the most important risk factors for IV infiltration for hospitalized children. The decision tree analysis showed that the most important traditional risk factors for IV infiltration were the use of ampicillin/sulbactam, IV insertion site (lower extremities), and medical department (internal medicine) both in the test sample and validation sample. The correct classification was 92.2% in the test sample and 90.1% in the validation sample. More careful attention should be made to patients who are administered ampicillin/sulbactam, have IV site in lower extremities and have internal medical problems to prevent or detect infiltration occurrence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decision%20tree%20analysis" title="decision tree analysis">decision tree analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=intravenous%20infiltration" title=" intravenous infiltration"> intravenous infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=child" title=" child"> child</a>, <a href="https://publications.waset.org/abstracts/search?q=validation" title=" validation"> validation</a> </p> <a href="https://publications.waset.org/abstracts/96898/decision-tree-analysis-of-risk-factors-for-intravenous-infiltration-among-hospitalized-children-a-retrospective-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96898.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">881</span> Influence of Rainfall Intensity on Infiltration and Deformation of Unsaturated Soil Slopes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bouziane%20Mohamed%20Tewfik">Bouziane Mohamed Tewfik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to improve the understanding of the influence of rainfall intensity on infiltration and deformation behaviour of unsaturated soil slopes, numerical 2D analyses are carried out by a three phase elasto-viscoplastic seepage-deformation coupled method. From the numerical results, it is shown that regardless of the saturated permeability of the soil slope, the increase in the pore water pressure (reduction in suction) during rainfall infiltration is localized close to the slope surface. In addition, the generation of the pore water pressure and the lateral displacement are mainly controlled by the ratio of the rainfall intensity to the saturated permeability of the soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=unsaturated%20soil" title="unsaturated soil">unsaturated soil</a>, <a href="https://publications.waset.org/abstracts/search?q=slope%20stability" title=" slope stability"> slope stability</a>, <a href="https://publications.waset.org/abstracts/search?q=rainfall%20infiltration" title=" rainfall infiltration"> rainfall infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20analysis" title=" numerical analysis"> numerical analysis</a> </p> <a href="https://publications.waset.org/abstracts/7217/influence-of-rainfall-intensity-on-infiltration-and-deformation-of-unsaturated-soil-slopes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7217.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">468</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">880</span> Effectiveness of Crystallization Coating Materials on Chloride Ions Ingress in Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20Elsalamawy">Mona Elsalamawy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Ragab%20Mohamed"> Ashraf Ragab Mohamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdellatif%20Elsayed%20Abosen"> Abdellatif Elsayed Abosen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to evaluate the effectiveness of different crystalline coating materials concerning of chloride ions penetration. The concrete ages at the coating installation and its moisture conditions were addressed; where, these two factors may play a dominant role for the effectiveness of the used materials. Rapid chloride ions penetration test (RCPT) was conducted at different ages and moisture conditions according to the relevant standard. In addition, the contaminated area and the penetration depth of the chloride ions were investigated immediately after the RCPT test using chemical identifier, 0.1 M silver nitrate AgNO<sub>3</sub> solution. Results have shown that, the very low chloride ions penetrability, for the studied crystallization materials, were investigated only with the old age concrete (G1). The significant reduction in chloride ions’ penetrability was illustrated after 7 days of installing the crystalline coating layers. Using imageJ is more reliable to describe the contaminated area of chloride ions, where the distribution of aggregate and heterogeneous of cement mortar was considered in the images analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride%20permeability" title="chloride permeability">chloride permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=contaminated%20area" title=" contaminated area"> contaminated area</a>, <a href="https://publications.waset.org/abstracts/search?q=crystalline%20waterproofing%20materials" title=" crystalline waterproofing materials"> crystalline waterproofing materials</a>, <a href="https://publications.waset.org/abstracts/search?q=RCPT" title=" RCPT"> RCPT</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD"> XRD</a> </p> <a href="https://publications.waset.org/abstracts/79848/effectiveness-of-crystallization-coating-materials-on-chloride-ions-ingress-in-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79848.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">251</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">879</span> Resistance to Chloride Penetration of High Strength Self-Compacting Concretes: Pumice and Zeolite Effect </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kianoosh%20Samimi">Kianoosh Samimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Siham%20Kamali-Bernard"> Siham Kamali-Bernard</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Akbar%20Maghsoudi"> Ali Akbar Maghsoudi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to contribute to the characterization and the understanding of fresh state, compressive strength and chloride penetration tendency of high strength self-compacting concretes (HSSCCs) where Portland cement type II is partially substituted by 10% and 15% of natural pumice and zeolite. First, five concrete mixtures with a control mixture without any pozzolan are prepared and tested in both fresh and hardened states. Then, resistance to chloride penetration for all formulation is investigated in non-steady state and steady state by measurement of chloride penetration and diffusion coefficient. In non-steady state, the correlation between initial current and chloride penetration with diffusion coefficient is studied. Moreover, the relationship between diffusion coefficient in non-steady state and electrical resistivity is determined. The concentration of free chloride ions is also measured in steady state. Finally, chloride penetration for all formulation is studied in immersion and tidal condition. The result shows that, the resistance to chloride penetration for HSSCC in immersion and tidal condition increases by incorporating pumice and zeolite. However, concrete with zeolite displays a better resistance. This paper shows that the HSSCC with 15% pumice and 10% zeolite is suitable in fresh, hardened, and durability characteristics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chloride%20penetration" title="Chloride penetration">Chloride penetration</a>, <a href="https://publications.waset.org/abstracts/search?q=immersion" title=" immersion"> immersion</a>, <a href="https://publications.waset.org/abstracts/search?q=pumice" title=" pumice"> pumice</a>, <a href="https://publications.waset.org/abstracts/search?q=HSSCC" title=" HSSCC"> HSSCC</a>, <a href="https://publications.waset.org/abstracts/search?q=tidal" title=" tidal"> tidal</a>, <a href="https://publications.waset.org/abstracts/search?q=zeolite" title=" zeolite"> zeolite</a> </p> <a href="https://publications.waset.org/abstracts/76212/resistance-to-chloride-penetration-of-high-strength-self-compacting-concretes-pumice-and-zeolite-effect" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76212.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">247</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">878</span> Combined Effect of High Curing Temperature and Crack Width on Chloride Migration in Reinforced Concrete Beams</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elkedrouci%20Lotfi">Elkedrouci Lotfi</a>, <a href="https://publications.waset.org/abstracts/search?q=Diao%20Bo"> Diao Bo</a>, <a href="https://publications.waset.org/abstracts/search?q=Pang%20Sen"> Pang Sen</a>, <a href="https://publications.waset.org/abstracts/search?q=Li%20Yi"> Li Yi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Deterioration of reinforced concrete structures is a serious concern in the construction engineering, largely due to chloride induced corrosion of reinforcement. Chloride penetration is markedly influenced by one or several major factors at the same time such as cuing in combination with different crack widths which have spectacular effect on reinforced concrete structures. This research presents the results of an experimental investigation involving reinforced concrete beams with three different crack widths ranging from 0 to 0.2mm, curing temperatures of 20°C or 40°C and water-to-cement of 0.5. Chloride content profiles were determined under non-steady state diffusion at 20°C. Based on the obtained results, higher chloride content was obtained under condition of high curing temperature in combination with large crack more than 0.1mm and there are no significant differences between narrow crack width (less than 0.1 mm) and beams without crack (0mm). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crack%20width" title="crack width">crack width</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20curing%20temperature" title=" high curing temperature"> high curing temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=rapid%20chloride%20migration" title=" rapid chloride migration"> rapid chloride migration</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20concrete%20beam" title=" reinforced concrete beam"> reinforced concrete beam</a> </p> <a href="https://publications.waset.org/abstracts/84151/combined-effect-of-high-curing-temperature-and-crack-width-on-chloride-migration-in-reinforced-concrete-beams" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84151.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">208</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">877</span> The Effect of Molybdate on Corrosion Behaviour of AISI 316Ti Stainless Steel in Chloride Environment </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Viera%20Zatkal%C3%ADkov%C3%A1">Viera Zatkalíková</a>, <a href="https://publications.waset.org/abstracts/search?q=Lenka%20Markovi%C4%8Dov%C3%A1"> Lenka Markovičová</a>, <a href="https://publications.waset.org/abstracts/search?q=Aneta%20Tor-Swiatek"> Aneta Tor-Swiatek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of molybdate addition to chloride environment on resistance of AISI 316Ti stainless steel to pitting corrosion was studied. Potentiodynamic polarisation tests were performed in 1 M and 0.1 M chloride acidified solutions with various additions of sodium molybdate at room temperature. The presented results compare the effect of molybdate anions on quality of passive film (expressed by the pitting potential) in both chloride solutions. The pitting potential increases with the increase inhibitor concentration. The inhibitive effect of molybdate ions is stronger in chloride solution of lower aggressiveness (0.1M). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AISI%20316Ti%20steel" title="AISI 316Ti steel">AISI 316Ti steel</a>, <a href="https://publications.waset.org/abstracts/search?q=molybdate%20inhibitor" title=" molybdate inhibitor"> molybdate inhibitor</a>, <a href="https://publications.waset.org/abstracts/search?q=pitting%20corrosion" title=" pitting corrosion"> pitting corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=pitting%20potential" title=" pitting potential"> pitting potential</a>, <a href="https://publications.waset.org/abstracts/search?q=potentiodynamic%20polarisation" title=" potentiodynamic polarisation "> potentiodynamic polarisation </a> </p> <a href="https://publications.waset.org/abstracts/31312/the-effect-of-molybdate-on-corrosion-behaviour-of-aisi-316ti-stainless-steel-in-chloride-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31312.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">391</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">876</span> Determining Water Infiltration Zone Using 2-D Resistivity Imaging Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Azim%20Hilmy%20Mohamad%20Yusof">Azim Hilmy Mohamad Yusof</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhamad%20Iqbal%20Mubarak%20Faharul%20Azman"> Muhamad Iqbal Mubarak Faharul Azman</a>, <a href="https://publications.waset.org/abstracts/search?q=Nur%20Azwin%20Ismail"> Nur Azwin Ismail</a>, <a href="https://publications.waset.org/abstracts/search?q=Noer%20El%20Hidayah%20Ismail"> Noer El Hidayah Ismail</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Infiltration is the process by which precipitation or water soaks into subsurface soils and moves into rocks through cracks and pore spaces. This paper explains how the water infiltration will be identified using 2-D resistivity imaging. Padang Minden, in Universiti Sains Malaysia, Penang has been chosen as the survey area during this study. The study area consists of microcline granite with grain size of medium to coarse. 2-D Resistivity Imaging survey is used to detect subsurface layer for many years by making measurements on the ground surface. The result shows that resistivity value of 0.015 Ωm - 10 Ωm represent the salt water intrusion zone while the resistivity value of 11 Ωm - 100 Ωm is suggested as the boundary zone between the salt water intrusion zone and low saturated zone. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2-D%20resistivity%20imaging" title="2-D resistivity imaging">2-D resistivity imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=microcline%20granite" title=" microcline granite"> microcline granite</a>, <a href="https://publications.waset.org/abstracts/search?q=salt%20water%20intrusion" title=" salt water intrusion"> salt water intrusion</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20infiltration" title=" water infiltration"> water infiltration</a> </p> <a href="https://publications.waset.org/abstracts/62800/determining-water-infiltration-zone-using-2-d-resistivity-imaging-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62800.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">342</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">875</span> Modeling Approach for Evaluating Infiltration Rate of a Large-Scale Housing Stock</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Azzam%20Alosaimi">Azzam Alosaimi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Different countries attempt to reduce energy demands and Greenhouse Gas (GHG) emissions to mitigate global warming potential. They set different building codes to regulate excessive building’s energy losses. Energy losses occur due to pressure difference between the indoor and outdoor environments, and thus, heat transfers from one region to another. One major sources of energy loss is known as building airtightness. Building airtightness is the fundamental feature of the building envelope that directly impacts infiltration. Most of international building codes require minimum performance for new construction to ensure acceptable airtightness. The execution of airtightness required standards has become more challenging in recent years due to a lack of expertise and equipment, making it costly and time-consuming. Hence, researchers have developed predictive models to predict buildings infiltration rates to meet building codes and to reduce energy and cost. This research applies a theoretical modeling approach using Matlab software to predict mean infiltration rate distributions and total heat loss of Saudi Arabia’s housing stock. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infiltration%20rate" title="infiltration rate">infiltration rate</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20demands" title=" energy demands"> energy demands</a>, <a href="https://publications.waset.org/abstracts/search?q=heating%20loss" title=" heating loss"> heating loss</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20loss" title=" cooling loss"> cooling loss</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20emissions" title=" carbon emissions"> carbon emissions</a> </p> <a href="https://publications.waset.org/abstracts/144883/modeling-approach-for-evaluating-infiltration-rate-of-a-large-scale-housing-stock" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144883.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">874</span> Durability of Slurry Infiltrated Fiber Concrete to Corrosion in Chloride Environment: An Experimental Study, Part I</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20F.%20Alrubaie">M. F. Alrubaie</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20A.%20Salih"> S. A. Salih</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20A.%20Abbas"> W. A. Abbas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Slurry infiltrated fiber concrete (SIFCON) is considered as a special type of high strength high-performance fiber reinforced concrete, extremely strong, and ductile. The objective of this study is to investigate the durability of SIFCON to corrosion in chloride environments. Six different SIFCON mixes were made in addition to two refinance mixes with 0% and 1.5% steel fiber content. All mixes were exposed to 10% chloride solution for 180 days. Half of the specimens were partially immersed in chloride solution, and the others were exposed to weekly cycles of wetting and drying in 10% chloride solution. The effectiveness of using corrosion inhibitors, mineral admixture, and epoxy protective coating were also evaluated as protective measures to reduce the effect of chloride attack and to improve the corrosion resistance of SIFCON mixes. Corrosion rates, half-cell potential, electrical resistivity, total permeability tests had been monitored monthly. The results indicated a significant improvement in performance for SIFCON mixes exposed to chloride environment, when using corrosion inhibitor or epoxy protective coating, whereas SIFCON mix contained mineral admixture (metakaolin) did not improve the corrosion resistance at the same level. The cyclic wetting and drying exposure were more aggressive to the specimens than the partial immersion in chloride solution although the observed surface corrosion for the later was clearer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chloride%20attack" title="chloride attack">chloride attack</a>, <a href="https://publications.waset.org/abstracts/search?q=chloride%20environments" title=" chloride environments"> chloride environments</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20inhibitor" title=" corrosion inhibitor"> corrosion inhibitor</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20resistance" title=" corrosion resistance"> corrosion resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</a>, <a href="https://publications.waset.org/abstracts/search?q=SIFCON" title=" SIFCON"> SIFCON</a>, <a href="https://publications.waset.org/abstracts/search?q=slurry%20infiltrated%20fiber%20concrete" title=" slurry infiltrated fiber concrete"> slurry infiltrated fiber concrete</a> </p> <a href="https://publications.waset.org/abstracts/102210/durability-of-slurry-infiltrated-fiber-concrete-to-corrosion-in-chloride-environment-an-experimental-study-part-i" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102210.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">136</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">873</span> Long Term Effect of FYM and Green Manure on Infiltration Characteristics Under Vertisol</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tripti%20Nayak">Tripti Nayak</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20K.%20Bajpai"> R. K. Bajpai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An ongoing field experiment was conducted at Long term fertilizer experiment, Raipur, to study the Effect of fertilization (both organic and inorganic) on soil Physical properties (infiltration rate) of Vertisol of ten treatments viz. The treatment combinations for were T1(Control),T2(50%NPK), T3(100%NPK), T4(150%NPK), T5(100%NPK+Zn), T6(100%NP), T7(100%N), T8(100%NPK+FYM), T9 (50%NPK+BGA) and T10(50%NPK+GM). Farmyard manure and green manure is applied at the treatment of T8 (100%NPK+FYM) and T10 (50%NPK+GM). Result showed that the highest infiltration rate recorded T8(100%NPK+FYM) and T10 (50%NPK+GM). These considerations have led to a renewed interest in the organic manures such as FYM, compost and green manures, which are formulations helps in sustainable agriculture production either by providing plants with fixed nitrogen, available P or by other plant growth promoting substances. Organic matter (OM) is the life of the soil because it contains all the essential elements required for plant growth. It also serves as food for soil bacteria. Decomposed OM, known as humus, improves the soil tilth, quality and helps the plant to grow. In general among all the other treatments and control gave poorest infiltration rate. Incorporation of organic sources considerably improved the soil physical properties such as decrease in bulk density and increase in infiltration rate and available NPK status of the soil. Study showed that wherever, nitrogen was substituted through GM, FYM or crop residue (rice straw) in rice, Corresponding decrease in bulk density favorably enhanced the infiltration rate and it was found to be highest in the green-manured plot, FYM and lowest in control. Concluded that Continuous monitoring of physical properties should be carried out for maintaining soil health and enhancing the crop production. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=long%20term%20effect" title="long term effect">long term effect</a>, <a href="https://publications.waset.org/abstracts/search?q=FYM" title=" FYM"> FYM</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20manure" title=" green manure"> green manure</a>, <a href="https://publications.waset.org/abstracts/search?q=infiltration%20rate" title=" infiltration rate"> infiltration rate</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20health" title=" soil health"> soil health</a>, <a href="https://publications.waset.org/abstracts/search?q=crop%20productivity" title=" crop productivity"> crop productivity</a>, <a href="https://publications.waset.org/abstracts/search?q=vertisol" title=" vertisol"> vertisol</a> </p> <a href="https://publications.waset.org/abstracts/23781/long-term-effect-of-fym-and-green-manure-on-infiltration-characteristics-under-vertisol" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23781.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">364</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">872</span> Microstructure Characterization on Silicon Carbide Formation from Natural Wood</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noor%20Leha%20Abdul%20Rahman">Noor Leha Abdul Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Koay%20Mei%20Hyie"> Koay Mei Hyie</a>, <a href="https://publications.waset.org/abstracts/search?q=Anizah%20Kalam"> Anizah Kalam</a>, <a href="https://publications.waset.org/abstracts/search?q=Husna%20Elias"> Husna Elias</a>, <a href="https://publications.waset.org/abstracts/search?q=Teng%20Wang%20Dung"> Teng Wang Dung</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dark Red Meranti and Kapur, kinds of important type of wood in Malaysia were used as a precursor to fabricate porous silicon carbide. A carbon template is produced by pyrolysis at 850°C in an oxygen free atmosphere. The carbon template then further subjected to infiltration with silicon by silicon melt infiltration method. The infiltration process was carried out in tube furnace in argon flow at 1500°C, at two different holding time; 2 hours and 3 hours. Thermo gravimetric analysis was done to investigate the decomposition behavior of two species of plants. The resulting silicon carbide was characterized by XRD which was found the formation of silicon carbide and also excess silicon. The microstructure was characterized by scanning electron microscope (SEM) and the density was determined by the Archimedes method. An increase in holding time during infiltration will increased the density as well as formation of silicon carbide. Dark Red Meranti precursor is likely suitable for production of silicon carbide compared to Kapur. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=density" title="density">density</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon%20carbide" title=" silicon carbide"> silicon carbide</a>, <a href="https://publications.waset.org/abstracts/search?q=XRD" title=" XRD "> XRD </a> </p> <a href="https://publications.waset.org/abstracts/30071/microstructure-characterization-on-silicon-carbide-formation-from-natural-wood" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30071.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">424</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">871</span> Combined Synchrotron Radiography and Diffraction for in Situ Study of Reactive Infiltration of Aluminum into Iron Porous Preform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Djaziri">S. Djaziri</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Sket"> F. Sket</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Hynowska"> A. Hynowska</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Milenkovic"> S. Milenkovic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of Fe-Al based intermetallics as an alternative to Cr/Ni based stainless steels is very promising for industrial applications that use critical raw materials parts under extreme conditions. However, the development of advanced Fe-Al based intermetallics with appropriate mechanical properties presents several challenges that involve appropriate processing and microstructure control. A processing strategy is being developed which aims at producing a net-shape porous Fe-based preform that is infiltrated with molten Al or Al-alloy. In the present work, porous Fe-based preforms produced by two different methods (selective laser melting (SLM) and Kochanek-process (KE)) are studied during infiltration with molten aluminum. In the objective to elucidate the mechanisms underlying the formation of Fe-Al intermetallic phases during infiltration, an in-house furnace has been designed for in situ observation of infiltration at synchrotron facilities combining x-ray radiography (XR) and x-ray diffraction (XRD) techniques. The feasibility of this approach has been demonstrated, and information about the melt flow front propagation has been obtained. In addition, reactive infiltration has been achieved where a bi-phased intermetallic layer has been identified to be formed between the solid Fe and liquid Al. In particular, a tongue-like Fe₂Al₅ phase adhering to the Fe and a needle-like Fe₄Al₁₃ phase adhering to the Al were observed. The growth of the intermetallic compound was found to be dependent on the temperature gradient present along the preform as well as on the reaction time which will be discussed in view of the different obtained results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=combined%20synchrotron%20radiography%20and%20diffraction" title="combined synchrotron radiography and diffraction">combined synchrotron radiography and diffraction</a>, <a href="https://publications.waset.org/abstracts/search?q=Fe-Al%20intermetallic%20compounds" title=" Fe-Al intermetallic compounds"> Fe-Al intermetallic compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=in-situ%20molten%20Al%20infiltration" title=" in-situ molten Al infiltration"> in-situ molten Al infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20solid%20Fe%20preforms" title=" porous solid Fe preforms"> porous solid Fe preforms</a> </p> <a href="https://publications.waset.org/abstracts/94238/combined-synchrotron-radiography-and-diffraction-for-in-situ-study-of-reactive-infiltration-of-aluminum-into-iron-porous-preform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94238.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">226</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">870</span> The Influence of Different Technologies on the Infiltration Properties and Soil Surface Crusting Processing in the North Bohemia Region</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Dumbrovsky">Miroslav Dumbrovsky</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucie%20Larisova"> Lucie Larisova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The infiltration characteristic of the soil surface is one of the major factors that determines the potential soil degradation risk. The physical, chemical and biological characteristic of soil is changed by the processing of soil. The infiltration soil ability has an important role in soil and water conservation. The subject of the contribution is the evaluation of the influence of the conventional tillage and reduced tillage technology on soil surface crusting processing and infiltration properties of the soil in the North Bohemia region. Field experimental work at the area was carried out in the years 2013-2016 on Cambisol district medium-heavy clayey soil. The research was conducted on sloping erosion-endangered blocks of compacted arable land. The areas were chosen each year in the way that one of the experimental areas was handled by conventional tillage technologies and the other by reduced tillage technologies. Intact soil samples were taken into Kopecký´s cylinders in the three landscape positions, at a depth of 10 cm (representing topsoil) and 30 cm (representing subsoil). The cumulative infiltration was measured using a mini-disc infiltrometer near the consumption points. The Zhang method (1997), which provides an estimate of the unsaturated hydraulic conductivity K(h), was used for the evaluation of the infiltration tests of the mini-disc infiltrometer. The soil profile processed by conventional tillage showed a higher degree of compaction and soil crusting processing. The bulk density was between 1.10–1.67 g.cm⁻³, compared to the land processed by the reduced tillage technology, where the values were between 0.80–1.29 g.cm⁻³. Unsaturated hydraulic conductivity values were about one-third higher within the reduced tillage technology soil processing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soil%20crusting%20processing" title="soil crusting processing">soil crusting processing</a>, <a href="https://publications.waset.org/abstracts/search?q=unsaturated%20hydraulic%20conductivity" title=" unsaturated hydraulic conductivity"> unsaturated hydraulic conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=cumulative%20infiltration" title=" cumulative infiltration"> cumulative infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=bulk%20density" title=" bulk density"> bulk density</a>, <a href="https://publications.waset.org/abstracts/search?q=porosity" title=" porosity"> porosity</a> </p> <a href="https://publications.waset.org/abstracts/75019/the-influence-of-different-technologies-on-the-infiltration-properties-and-soil-surface-crusting-processing-in-the-north-bohemia-region" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75019.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">247</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">869</span> Preparation and Performance Evaluation of Green Chlorine-Free Coagulants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huihui%20Zhang">Huihui Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhongzhi%20Zhang"> Zhongzhi Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Coagulation/flocculation is regarded a simple and effective wastewater treatment technology. Chlorine-containing coagulants may release chloride ions into the wastewater, causing corrosion. A green chlorine-free coagulant of polyaluminum ferric silicate (PSAF) was prepared by the copolymerization method to treat oily refractory wastewaters. Results showed that the highest removal efficiency of turbidity and chemical oxygen demand (COD) achieved 97.4% and 93.0% at a dosage of 700 mg/L, respectively. After PSAF coagulation, the chloride ion concentration was also almost the same as that in the raw wastewater. Thus, the chlorine-free coagulant is highly efficient and does not introduce additional chloride ions into the wastewater, avoiding corrosion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coagulation" title="coagulation">coagulation</a>, <a href="https://publications.waset.org/abstracts/search?q=chloride-free%20coagulant" title=" chloride-free coagulant"> chloride-free coagulant</a>, <a href="https://publications.waset.org/abstracts/search?q=oily%20refractory%20wastewater" title=" oily refractory wastewater"> oily refractory wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=coagulation%20performance" title=" coagulation performance"> coagulation performance</a> </p> <a href="https://publications.waset.org/abstracts/138079/preparation-and-performance-evaluation-of-green-chlorine-free-coagulants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138079.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">218</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">868</span> Surface Sterilization of Aquatic Plant, Cryptopcoryne affinis by Using Clorox and Mercury Chloride</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sridevi%20Devadas">Sridevi Devadas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was aimed to examine the combination efficiency of Clorox (5.25% Sodium Hypochlorite) and mercury chloride (HgCl2) as reagent for surface sterilization process of aquatic plant, Cryptocoryne affinis (C. affinis). The treatment applied 10% of the Clorox and 0.1 ppm of mercury chloride. The maximum exposure time for Clorox and mercury chloride was 10 min and 60 sec respectively. After exposed to the treatments protocols (T1-T15) the explants were transferred to culture room under control temperature at 25°C ± 2°C and subjected to 16 hours fluorescence light (2000 lumens) for 30 days. The both sterilizing agents were not applied on control specimens. Upon analysis, the result indicates all of the treatments protocols produced sterile explants at range of minimum 1.5 ± 0.7 (30%) to maximum 5.0 ± 0.0 (100%). Meanwhile, maximum 1.0 ± 0.7 numbers of leaves and 1.4 ± 0.6 numbers of roots have been produced. The optimized exposure time was 0 to 15 min for Clorox and 30 sec for HgCl2 whereby 90% to 100% sterilization was archived at this condition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cryptocoryne%20affinis" title="Cryptocoryne affinis">Cryptocoryne affinis</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20sterilization" title=" surface sterilization"> surface sterilization</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20culture" title=" tissue culture"> tissue culture</a>, <a href="https://publications.waset.org/abstracts/search?q=clorox" title=" clorox"> clorox</a>, <a href="https://publications.waset.org/abstracts/search?q=mercury%20chloride" title=" mercury chloride "> mercury chloride </a> </p> <a href="https://publications.waset.org/abstracts/1961/surface-sterilization-of-aquatic-plant-cryptopcoryne-affinis-by-using-clorox-and-mercury-chloride" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1961.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">600</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">867</span> Experimental Testing of a Synthetic Mulch to Reduce Runoff and Evaporative Water Losses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yasmeen%20Saleem">Yasmeen Saleem</a>, <a href="https://publications.waset.org/abstracts/search?q=Pedro%20%20Berliner"> Pedro Berliner</a>, <a href="https://publications.waset.org/abstracts/search?q=Nurit%20Agam"> Nurit Agam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The most severe limitation for plant production in arid areas is water. Rainfall events are rare but can have pulses of high intensity. As a result, crusts are formed, which decreases infiltration into the soil, and results additionally in erosive losses of soil. Direct evaporation of water from the wetted soil can account for large fractions of the water stored in the soil. Different kinds of mulches have been used to decrease the loss of water in arid and semi-arid region. This study aims to evaluate the effect of polystyrene styrofoam pellets mulch on soil infiltration, runoff, and evaporation as a more efficient and economically viable mulch alternative. Polystyrene styrofoam pellets of two sizes (0.5 and 1 cm diameter) will be placed on top of the soil in two mulch layer depths (1 and 2 cm), in addition to the non-mulched treatment. The rainfall simulator will be used as an artificial source of rain. The preliminary results in the prototype experiment indicate that polystyrene styrofoam pellets decreased runoff, increased soil-water infiltration. We are still testing the effect of these pellets on decreasing the soil-water evaporation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=synthetic%20mulch" title="synthetic mulch">synthetic mulch</a>, <a href="https://publications.waset.org/abstracts/search?q=runoff" title=" runoff"> runoff</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporation" title=" evaporation"> evaporation</a>, <a href="https://publications.waset.org/abstracts/search?q=infiltration" title=" infiltration"> infiltration</a> </p> <a href="https://publications.waset.org/abstracts/113759/experimental-testing-of-a-synthetic-mulch-to-reduce-runoff-and-evaporative-water-losses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/113759.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">123</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">866</span> Surface Sterilization Of Aquatic Plant, Cryptocoryne affinis by Using Clorox and Mercury Chloride</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sridevi%20Devadas">Sridevi Devadas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was aimed to examine the combination efficiency of Clorox (5.25% Sodium Hypochlorite) and mercury chloride (HgCl2) as a reagent for surface sterilization process of aquatic plant and cryptocoryne affinis (C. affinis). The treatment applied 10% of the Clorox and 0.1ppm of mercury chloride. The maximum exposure time for clorox and mercury chloride was 10min and 60sec respectively. After exposed to the treatments protocols (T1-T15) the explants were transferred to culture room under control temperature at 25°C ± 2°C and subjected to 16 hours fluorescence light (2000 lumens) for 30 days. The both sterilizing agents were not applied on control specimens. Upon analysis, The result indicates all of the treatments protocols produced sterile explants at range of minimum 1.5 ± 0.7 (30%) to maximum 5.0 ± 0.0 (100%). Meanwhile, maximum 1.0 ± 0.7 numbers of leaves and 1.4 ± 0.6 numbers of roots have been produced. The optimized exposure time was 0 to 15 min for Clorox and 30 sec for HgCl2 whereby 90% to 100% sterilization was archived at this condition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cryptocoryne%20affinis" title="Cryptocoryne affinis">Cryptocoryne affinis</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20sterilization" title=" surface sterilization"> surface sterilization</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20culture" title=" tissue culture"> tissue culture</a>, <a href="https://publications.waset.org/abstracts/search?q=clorox" title=" clorox"> clorox</a>, <a href="https://publications.waset.org/abstracts/search?q=mercury%20chloride" title=" mercury chloride "> mercury chloride </a> </p> <a href="https://publications.waset.org/abstracts/1962/surface-sterilization-of-aquatic-plant-cryptocoryne-affinis-by-using-clorox-and-mercury-chloride" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1962.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">865</span> The Combined Effect of the Magnetic Field and Ammonium Chlorides on Deposits Zn-Ni Obtained in Different Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.Benachour">N.Benachour</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Chouchane"> S. Chouchane</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20P.%20Chopart"> J. P. Chopart </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The zinc-nickel deposition on stainless steel substrate was obtained in a chloride bath composed of ZnCl2 (1.8M), NiCl2.6H2O (1.1M), boric acid H3BO3 (1M) and NH4Cl (4M). One configuration was studied the amplitude or field B (0.5 et1T) is parallel to the surface of the working electrodes .the other share the study of various layer was carried out by XRD. The study of the effect of ammonium chloride in combination with the magnetohydrodynamic effect gave several deposits supposedly good physical properties. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ammonium%20chloride" title="ammonium chloride">ammonium chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field" title=" magnetic field"> magnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=nickel-zinc%20alloys" title=" nickel-zinc alloys"> nickel-zinc alloys</a>, <a href="https://publications.waset.org/abstracts/search?q=co-deposition" title=" co-deposition"> co-deposition</a> </p> <a href="https://publications.waset.org/abstracts/45247/the-combined-effect-of-the-magnetic-field-and-ammonium-chlorides-on-deposits-zn-ni-obtained-in-different-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45247.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">273</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">864</span> Effect of Mineral Admixtures on Transport Properties of SCCs Composites: Influence of Mechanical Damage</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Davood%20Niknezhad">Davood Niknezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=Siham%20Kamali-Bernard"> Siham Kamali-Bernard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concrete durability is one of the most important considerations in the design of new structures in aggressive environments. It is now common knowledge that the transport properties of a concrete, i.e; permeability and chloride diffusion coefficient are important indicators of its durability. The development of microcracking in concrete structures leads to significant permeability and to durability problems as a result. The main objective of the study presented in this paper is to investigate the influence of mineral admixtures and impact of compressive cracks by mechanical uniaxial compression up to 80% of the ultimate strength on transport properties of self-compacting concrete (SCC) manufactured with the eco-materials (metakaolin, fly ash, slag HF). The chloride resistance and binding capacity of the different SCCs produced with the different admixtures in damaged and undamaged state are measured using a chloride migration test accelerated by an external applied electrical field. Intrinsic permeability is measured using the helium gas and one permeameter at constant load. Klinkenberg approach is used for the determination of the intrinsic permeability. Based on the findings of this study, the use of mineral admixtures increases the resistance of SCC to chloride ingress and reduces their permeability. From the impact of mechanical damage, we show that the Gas permeability is more sensitive of concrete damaged than chloride diffusion. A correlation is obtained between the intrinsic permeability and chloride migration coefficient according to the damage variable for the four studied mixtures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SCC" title="SCC">SCC</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete%20durability" title=" concrete durability"> concrete durability</a>, <a href="https://publications.waset.org/abstracts/search?q=transport%20properties" title=" transport properties"> transport properties</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20permeability" title=" gas permeability"> gas permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=chloride%20diffusion" title=" chloride diffusion"> chloride diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20damage" title=" mechanical damage"> mechanical damage</a>, <a href="https://publications.waset.org/abstracts/search?q=mineral%20admixtures" title=" mineral admixtures"> mineral admixtures</a> </p> <a href="https://publications.waset.org/abstracts/48587/effect-of-mineral-admixtures-on-transport-properties-of-sccs-composites-influence-of-mechanical-damage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48587.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">230</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">863</span> Study on Optimization of Air Infiltration at Entrance of a Commercial Complex in Zhejiang Province</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yujie%20Zhao">Yujie Zhao</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiantao%20Weng"> Jiantao Weng </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the past decade, with the rapid development of China's economy, the purchasing power and physical demand of residents have been improved, which results in the vast emergence of public buildings like large shopping malls. However, the architects usually focus on the internal functions and streamlines of these buildings, ignoring the impact of the environment on the subjective feelings of building users. Only in Zhejiang province, the infiltration of cold air in winter frequently occurs at the entrance of sizeable commercial complex buildings that have been in operation, which will affect the environmental comfort of the building lobby and internal public spaces. At present, to reduce these adverse effects, it is usually adopted to add active equipment, such as setting air curtains to block air exchange or adding heating air conditioners. From the perspective of energy consumption, the infiltration of cold air into the entrance will increase the heat consumption of indoor heating equipment, which will indirectly cause considerable economic losses during the whole winter heating stage. Therefore, it is of considerable significance to explore the suitable entrance forms for improving the environmental comfort of commercial buildings and saving energy. In this paper, a commercial complex with apparent cold air infiltration problem in Hangzhou is selected as the research object to establish a model. The environmental parameters of the building entrance, including temperature, wind speed, and infiltration air volume, are obtained by Computational Fluid Dynamics (CFD) simulation, from which the heat consumption caused by the natural air infiltration in the winter and its potential economic loss is estimated as the objective metric. This study finally obtains the optimization direction of the building entrance form of the commercial complex by comparing the simulation results of other local commercial complex projects with different entrance forms. The conclusions will guide the entrance design of the same type of commercial complex in this area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20infiltration" title="air infiltration">air infiltration</a>, <a href="https://publications.waset.org/abstracts/search?q=commercial%20complex" title=" commercial complex"> commercial complex</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20consumption" title=" heat consumption"> heat consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=CFD%20simulation" title=" CFD simulation"> CFD simulation</a> </p> <a href="https://publications.waset.org/abstracts/109698/study-on-optimization-of-air-infiltration-at-entrance-of-a-commercial-complex-in-zhejiang-province" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109698.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">862</span> Determination of the Quantity of Water Absorbed by the Plant When Irrigating by Infiltration in Arid Regions (Case of Ouargla in Algeria)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Benlarbi">Mehdi Benlarbi</a>, <a href="https://publications.waset.org/abstracts/search?q=Dalila%20Oulhaci"> Dalila Oulhaci</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several physical, human and economic factors come into play in the choice of an irrigation system for developing arid and semi-arid regions. Since it is impossible to define or weight quantitatively all the relevant factors in each case, the choice of the system is often based on subjective preferences rather than explicit analysis. Over the past decade, irrational irrigation in the Ouargla region has evolved to a certain extent based largely on water wastage and which may pose risks to the environment both off-site and at the site. In the whole region, the environment is damaged by excess water because the water tables that tend to be high form swamps that pollute nature on the surface. The purpose of our work is a comparison between sprinkler irrigation and drip irrigation using bottles. By irrigating with the aid of the bottle and giving a volume of 4 liters with a flow rate of one (1) liter per hour, the watering dose received varies between 6 and 7 mm without infiltration losses. And for the case of sprinkler irrigation, the dose received may not exceed 2.5mm. E in some cases, we have a quantity of water lost by infiltration. This shows that irrigation using the bottle is much more efficient than sprinkling. Because, on the one hand, a large amount of water is absorbed by the plant and on the other hand, there is no loss by infiltration. The results obtained are very significant because, on the one hand, we reuse local products, and on the other hand, as the bottles are buried, we avoid water losses by evaporation, especially in dry periods and salinization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=resources" title="resources">resources</a>, <a href="https://publications.waset.org/abstracts/search?q=water" title=" water"> water</a>, <a href="https://publications.waset.org/abstracts/search?q=arid" title=" arid"> arid</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporation" title=" evaporation"> evaporation</a>, <a href="https://publications.waset.org/abstracts/search?q=infiltration" title=" infiltration"> infiltration</a> </p> <a href="https://publications.waset.org/abstracts/169669/determination-of-the-quantity-of-water-absorbed-by-the-plant-when-irrigating-by-infiltration-in-arid-regions-case-of-ouargla-in-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169669.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">861</span> Prognostic and Predictive Value of Tumor: Infiltrating Lymphocytes in Triple Negative Breast Cancer </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wooseok%20Byon">Wooseok Byon</a>, <a href="https://publications.waset.org/abstracts/search?q=Eunyoung%20Kim"> Eunyoung Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Junseong%20Kwon"> Junseong Kwon</a>, <a href="https://publications.waset.org/abstracts/search?q=Byung%20Joo%20Song"> Byung Joo Song</a>, <a href="https://publications.waset.org/abstracts/search?q=Chan%20Heun%20Park"> Chan Heun Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background/Purpose: Previous preclinical and clinical data suggest that increased lymphocytic infiltration would be associated with good prognosis and benefit from immunogenic chemotherapy especially in triple-negative breast cancer (TNBC). We investigated a single-center experience of TNBC and relationship with lymphocytic infiltration. Methods: From January 2004 to December 2012, at the Department of Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University, School of Medicine, we retrospectively reviewed 897 breast cancer patients-clinical outcomes, clinicopathological characteristics, breast cancer subtypes. And we reviewed lymphocytic infiltration of TNBC specimens by two pathologists. Statistical analysis of risk factors associated with recurrence was performed. Results: A total of 897 patients, 76 were TNBC (8.47%). Mean age of TNBC patients were 50.95 (SD10.42) years, mean follow-up periods was 40.06 months. We reviewed 49 slides, and there were 8 recurrent breast cancer patients (16.32%), and 4 patients were expired (8.16%). There were 9 lymphocytic predominant breast cancers (LPBC)-carcinomas with either intratumoral lymphocytes in >60% of tumor cell nests. 1 patient of LPBC was recurred and 8 were not. In multivariate logistic regression, the odds ratio of lymphocytic infiltration was 0.59 (p=0.643). Conclusion: In a single-center experience of TNBC, the lymphocytic infiltration in tumor cell nest might be a good trend on the prognosis but there was not statistically significant. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tumor-infiltrating%20lymphocytes" title="tumor-infiltrating lymphocytes">tumor-infiltrating lymphocytes</a>, <a href="https://publications.waset.org/abstracts/search?q=triple%20negative%20breast%20cancer" title=" triple negative breast cancer"> triple negative breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20and%20health%20sciences" title=" medical and health sciences"> medical and health sciences</a> </p> <a href="https://publications.waset.org/abstracts/18101/prognostic-and-predictive-value-of-tumor-infiltrating-lymphocytes-in-triple-negative-breast-cancer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18101.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">408</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">860</span> Mechanical Properties and Chloride Diffusion of Ceramic Waste Aggregate Mortar Containing Ground Granulated Blast-Furnace Slag</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Higashiyama">H. Higashiyama</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sappakittipakorn"> M. Sappakittipakorn</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Mizukoshi"> M. Mizukoshi</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Takahashi"> O. Takahashi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ceramic waste aggregates (CWAs) were made from electric porcelain insulator wastes supplied from an electric power company, which were crushed and ground to fine aggregate sizes. In this study, to develop the CWA mortar as an eco–efficient, ground granulated blast–furnace slag (GGBS) as a supplementary cementitious material (SCM) was incorporated. The water–to–binder ratio (W/B) of the CWA mortars was varied at 0.4, 0.5, and 0.6. The cement of the CWA mortar was replaced by GGBS at 20 and 40% by volume (at about 18 and 37% by weight). Mechanical properties of compressive and splitting tensile strengths, and elastic modulus were evaluated at the age of 7, 28, and 91 days. Moreover, the chloride ingress test was carried out on the CWA mortars in a 5.0% NaCl solution for 48 weeks. The chloride diffusion was assessed by using an electron probe microanalysis (EPMA). To consider the relation of the apparent chloride diffusion coefficient and the pore size, the pore size distribution test was also performed using a mercury intrusion porosimetry at the same time with the EPMA. The compressive strength of the CWA mortars with the GGBS was higher than that without the GGBS at the age of 28 and 91 days. The resistance to the chloride ingress of the CWA mortar was effective in proportion to the GGBS replacement level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ceramic%20waste%20aggregate" title="ceramic waste aggregate">ceramic waste aggregate</a>, <a href="https://publications.waset.org/abstracts/search?q=chloride%20diffusion" title=" chloride diffusion"> chloride diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=GGBS" title=" GGBS"> GGBS</a>, <a href="https://publications.waset.org/abstracts/search?q=pore%20size%20distribution" title=" pore size distribution"> pore size distribution</a> </p> <a href="https://publications.waset.org/abstracts/27099/mechanical-properties-and-chloride-diffusion-of-ceramic-waste-aggregate-mortar-containing-ground-granulated-blast-furnace-slag" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27099.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">344</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">859</span> Optimization of Dissolution of Chevreul’s Salt in Ammonium Chloride Solutions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Sert%C3%A7elik">Mustafa Sertçelik</a>, <a href="https://publications.waset.org/abstracts/search?q=Hacali%20Necefo%C4%9Flu"> Hacali Necefoğlu</a>, <a href="https://publications.waset.org/abstracts/search?q=Turan%20%C3%87alban"> Turan Çalban</a>, <a href="https://publications.waset.org/abstracts/search?q=Soner%20Ku%C5%9Flu"> Soner Kuşlu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, Chevreul’s salt was dissolved in ammonium chloride solutions. All experiments were performed in a batch reactor. The obtained results were optimized. Parameters used in the experiments were the reaction temperature, the ammonium chloride concentration, the reaction time and the solid-to-liquid ratio. The optimum conditions were determined by 2<sup>4</sup> factorial experimental design method. The best values of four parameters were determined as based on the experiment results. After the evaluation of experiment results, all parameters were found as effective in experiment conditions selected. The optimum conditions on the maximum Chevreul’s salt dissolution were the ammonium chloride concentration 4.5 M, the reaction time 13.2 min., the reaction temperature 25 <sup>o</sup>C, and the solid-to-liquid ratio 9/80 g.mL<sup>-1</sup>. The best dissolution yield in these conditions was 96.20%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chevreul%27s%20salt" title="Chevreul's salt">Chevreul's salt</a>, <a href="https://publications.waset.org/abstracts/search?q=factorial%20experimental%20design%20method" title=" factorial experimental design method"> factorial experimental design method</a>, <a href="https://publications.waset.org/abstracts/search?q=ammonium%20chloride" title=" ammonium chloride"> ammonium chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=dissolution" title=" dissolution"> dissolution</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/51927/optimization-of-dissolution-of-chevreuls-salt-in-ammonium-chloride-solutions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51927.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">246</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">858</span> Application of Hydrogen Peroxide and Polialuminum Chloride to Treat Palm Oil Mill Wastewater by Electrocoagulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Nasrullah">M. Nasrullah</a>, <a href="https://publications.waset.org/abstracts/search?q=Siti%20Norsita"> Siti Norsita</a>, <a href="https://publications.waset.org/abstracts/search?q=Lakhveer%20Singh"> Lakhveer Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20W.%20Zulrisam"> A. W. Zulrisam</a>, <a href="https://publications.waset.org/abstracts/search?q=Mimi%20Sakinah"> Mimi Sakinah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purposes of this study were to investigate the effects of polyaluminum chloride (PAC) and hydrogen peroxide on COD removal by electrocoagulation. The current density was varied between 30-80 mA cm−2, polyaluminum chloride (1-3 g L-1) as coagulant aid and 1 and 2 percent of hydrogen peroxide as an oxidizing agent. It has been shown that 86.67% of COD was removed by the iron electrode in 180 min while 81.11% of COD was removed by the aluminum electrode in 210 min which indicate that iron was more effective than aluminum. As much as 88.25% COD was removed by using 80 mA cm−2 as compared to 72.86% by using 30 mA cm−2 in 240 min. When PAC and H2O2 increased, the percent of COD removal was increasing as well. The highest removal efficiency of 95.08% was achieved by adding 2% of H2O2 in addition of 3 g L−1 PAC. The general results demonstrate that electrocoagulation is very efficient and able to achieve more than 70% COD removal in 180 min at current density 30-80 mAcm-2 depending on the concentration of H2O2 and coagulant aid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrocaogulation" title="electrocaogulation">electrocaogulation</a>, <a href="https://publications.waset.org/abstracts/search?q=palm%20oil%20mill%20effluent" title=" palm oil mill effluent"> palm oil mill effluent</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20peroxide" title=" hydrogen peroxide"> hydrogen peroxide</a>, <a href="https://publications.waset.org/abstracts/search?q=polialuminum%20chloride" title=" polialuminum chloride"> polialuminum chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20oxygen%20demand" title=" chemical oxygen demand"> chemical oxygen demand</a> </p> <a href="https://publications.waset.org/abstracts/39820/application-of-hydrogen-peroxide-and-polialuminum-chloride-to-treat-palm-oil-mill-wastewater-by-electrocoagulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39820.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">422</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=9">9</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=10">10</a></li> <li class="page-item disabled"><span class="page-link">...</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=29">29</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=30">30</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=chloride%20infiltration&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th 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