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silicate brick</title> <meta name="description" content="Search results for: calcium silicate brick"> <meta name="keywords" content="calcium silicate brick"> <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="calcium silicate brick"> <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> 1007</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: calcium silicate brick</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1007</span> Comparison of the Hydration Products of Commercial and Experimental Calcium Silicate Cement: The Preliminary Observational Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seok%20Woo%20Chang">Seok Woo Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: The objective of this study was to compare and evaluate the hydration products of commercial and experimental calcium silicate cement. Materials and Methods: The commercial calcium silicate cement (ProRoot MTA, Dentsply) and experimental calcium silicate cement (n=10) were mixed with distilled water (water/powder ratio = 20 w/w) and stirred at room temperature for 10 hours. These mixtures were dispersed on wafer and dried for 12 hours at room temperature. Thereafter, the dried specimens were examined with Scanning Electron Microscope (SEM). Electron Dispersive Spectrometry (EDS) was also carried out. Results: The commercial calcium silicate cement (ProRoot MTA) and experimental calcium silicate cement both showed precipitation of rod-like and globule-like crystals. Based on EDS analysis, these precipitates were supposed to be calcium hydroxide or calcium silicate hydrates. The degree of formation of these precipitates was higher in commercial MTA. Conclusions: Based on the results, both commercial and experimental calcium silicate cement had ability to produce calcium hydroxide or calcium silicate hydrate precipitates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20cement" title="calcium silicate cement">calcium silicate cement</a>, <a href="https://publications.waset.org/abstracts/search?q=ProRoot%20MTA" title=" ProRoot MTA"> ProRoot MTA</a>, <a href="https://publications.waset.org/abstracts/search?q=precipitation" title=" precipitation"> precipitation</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20hydroxide" title=" calcium hydroxide"> calcium hydroxide</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20hydrate" title=" calcium silicate hydrate"> calcium silicate hydrate</a> </p> <a href="https://publications.waset.org/abstracts/8741/comparison-of-the-hydration-products-of-commercial-and-experimental-calcium-silicate-cement-the-preliminary-observational-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8741.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">265</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">1006</span> Calcium Silicate Bricks – Ultrasonic Pulse Method: Effects of Natural Frequency of Transducers on Measurement Results</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jiri%20Brozovsky">Jiri Brozovsky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modulus of elasticity is one of the important parameters of construction materials, which considerably influence their deformation properties and which can also be determined by means of non-destructive test methods like ultrasonic pulse method. However, measurement results of ultrasonic pulse methods are influenced by various factors, one of which is the natural frequency of the transducers. The paper states knowledge about influence of natural frequency of the transducers (54; 82 and 150kHz) on ultrasonic pulse velocity and dynamic modulus of elasticity (Young's Dynamic modulus of elasticity). Differences between ultrasonic pulse velocity and dynamic modulus of elasticity were found with the same smallest dimension of test specimen in the direction of sounding and density their value decreases as the natural frequency of transducers grew. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20brick" title="calcium silicate brick">calcium silicate brick</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20pulse%20method" title=" ultrasonic pulse method"> ultrasonic pulse method</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20pulse%20velocity" title=" ultrasonic pulse velocity"> ultrasonic pulse velocity</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20modulus%20of%20elasticity" title=" dynamic modulus of elasticity"> dynamic modulus of elasticity</a> </p> <a href="https://publications.waset.org/abstracts/12508/calcium-silicate-bricks-ultrasonic-pulse-method-effects-of-natural-frequency-of-transducers-on-measurement-results" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12508.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">416</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">1005</span> Analysis of in Vitro Biocompatibility Studies of Silicate-Based Bioceramic Cements: A Scoping Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olphiara%20Rodolpheza%20Alexandre">Olphiara Rodolpheza Alexandre</a>, <a href="https://publications.waset.org/abstracts/search?q=Carla%20David"> Carla David</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20Guerra%20Lund"> Rafael Guerra Lund</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadia%20Ferreira"> Nadia Ferreira</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the increasing demand for biomaterials in the dental field, especially in endodontics, calcium silicate-based cements (CSCs) have gained prominence because of their biocompatibility and tissue regeneration capabilities. Originating from Mineral Trioxide Aggregate (MTA), the first bioceramic in endodontics derived from Portland cement, these materials are becoming increasingly prevalent in the market. For any drug released to the market, pharmacovigilance must ensure the absence of adverse health effects on consumers through rigorous toxicological testing. Although these materials have undergone in vitro and in vivo testing, such tests have typically been conducted over a limited period. Some effects may only become apparent after several years, and these studies are generally carried out on a non-specific population. However, the variety of calcium silicate-based products, including cement and sealers, raises questions about their toxicity, particularly considering potential long-term effects not addressed in existing studies. While the scientific literature includes comparative studies on the toxicity of these materials, the consistency of their conclusions is often controversial. Therefore, this project aims to map the scientific evidence from in vitro biocompatibility studies, including those investigating the toxicity of calcium silicate-based bioceramics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=toxicity" title="toxicity">toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity%20test" title=" toxicity test"> toxicity test</a>, <a href="https://publications.waset.org/abstracts/search?q=bioceramics" title=" bioceramics"> bioceramics</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate" title=" calcium silicate"> calcium silicate</a>, <a href="https://publications.waset.org/abstracts/search?q=genotoxicity" title=" genotoxicity"> genotoxicity</a> </p> <a href="https://publications.waset.org/abstracts/189472/analysis-of-in-vitro-biocompatibility-studies-of-silicate-based-bioceramic-cements-a-scoping-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189472.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">30</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">1004</span> An Evaluation of the Feasibility of Several Industrial Wastes and Natural Materials as Precursors for the Production of Alkali Activated Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=O.%20Alelweet">O. Alelweet</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Pavia"> S. Pavia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to face current compelling environmental problems affecting the planet, the construction industry needs to adapt. It is widely acknowledged that there is a need for durable, high-performance, low-greenhouse gas emission binders that can be used as an alternative to Portland cement (PC) to lower the environmental impact of construction. Alkali activated materials (AAMs) are considered a more sustainable alternative to PC materials. The binders of AAMs result from the reaction of an alkali metal source and a silicate powder or precursor which can be a calcium silicate or an aluminosilicate-rich material. This paper evaluates the particle size, specific surface area, chemical and mineral composition and amorphousness of silicate materials (most industrial waste locally produced in Ireland and Saudi Arabia) to develop alkali-activated binders that can replace PC resources in specific applications. These include recycled ceramic brick, bauxite, illitic clay, fly ash and metallurgical slag. According to the results, the wastes are reactive and comply with building standards requirements. The study also evidenced that the reactivity of the Saudi bauxite (with significant kaolinite) can be enhanced on thermal activation; and high calcium in the slag will promote reaction; which should be possible with low alkalinity activators. The wastes evidenced variable water demands that will be taken into account for mixing with the activators. Finally, further research is proposed to further determine the reactive fraction of the clay-based precursors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alkali%20activated%20materials" title="alkali activated materials">alkali activated materials</a>, <a href="https://publications.waset.org/abstracts/search?q=alkali-activated%20binders" title=" alkali-activated binders"> alkali-activated binders</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20building%20materials" title=" sustainable building materials"> sustainable building materials</a>, <a href="https://publications.waset.org/abstracts/search?q=recycled%20ceramic%20brick" title=" recycled ceramic brick"> recycled ceramic brick</a>, <a href="https://publications.waset.org/abstracts/search?q=bauxite" title=" bauxite"> bauxite</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20mud" title=" red mud"> red mud</a>, <a href="https://publications.waset.org/abstracts/search?q=clay" title=" clay"> clay</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=metallurgical%20slags" title=" metallurgical slags"> metallurgical slags</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20size" title=" particle size"> particle size</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20and%20mineral%20composition%20and%20amorphousness" title=" chemical and mineral composition and amorphousness"> chemical and mineral composition and amorphousness</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20demand" title=" water demand"> water demand</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20density" title=" particle density"> particle density</a> </p> <a href="https://publications.waset.org/abstracts/113869/an-evaluation-of-the-feasibility-of-several-industrial-wastes-and-natural-materials-as-precursors-for-the-production-of-alkali-activated-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/113869.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">126</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">1003</span> Utilizing Quicklime (Calcium Oxide) for Self-Healing Properties in Innovation of Coconut Husk Fiber Bricks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christian%20Gabriel%20Mariveles">Christian Gabriel Mariveles</a>, <a href="https://publications.waset.org/abstracts/search?q=Darelle%20Jay%20Gallardo"> Darelle Jay Gallardo</a>, <a href="https://publications.waset.org/abstracts/search?q=Leslie%20Dayaoen"> Leslie Dayaoen</a>, <a href="https://publications.waset.org/abstracts/search?q=Laurenz%20Paul%20Diaz"> Laurenz Paul Diaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> True experimental research with descriptive analysis was conducted. Utilizing Quicklime (Calcium Oxide) for self-healing properties of coconut husk fibre concrete brick. There are 2 setups established: the first one has the 1:1:2 ratio of calcium oxide, cement and sand, and the second one has a 2:1:2 ratio of the same variables. The bricks are made from the residences along Barangay Greater Lagro. The mixture of sand and cement is mixed with coconut husk fibers and then molded with different ratios in the molder. After the drying of cement, the researchers tested the bricks in the laboratory for compressive strength. The brick with the highest PSI is picked by the researchers to drop into freefall testing, and it makes remarkable remarks as it is deformed after dropping to different heights with a maximum of 20 feet. Unfortunately, the self-healing capabilities were not observed during the 12 weeks of monitoring. However, the brick was weighed after 12 weeks of monitoring, and it increased in weight by 0.030 kg. from 1.833 kg. to 1.863 kg. meaning that this ratio 2 has the potential to self-heal, but 12 weeks of monitoring by the researchers is not enough to conclude that it has a significant difference. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self%20healing" title="self healing">self healing</a>, <a href="https://publications.waset.org/abstracts/search?q=coconut%20husk%20bricks" title=" coconut husk bricks"> coconut husk bricks</a>, <a href="https://publications.waset.org/abstracts/search?q=research" title=" research"> research</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20oxide" title=" calcium oxide"> calcium oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=utilizing%20quicklime" title=" utilizing quicklime"> utilizing quicklime</a> </p> <a href="https://publications.waset.org/abstracts/184457/utilizing-quicklime-calcium-oxide-for-self-healing-properties-in-innovation-of-coconut-husk-fiber-bricks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184457.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">42</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">1002</span> Biocompatibilities of Various Calcium Silicate Cements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seok%20Woo%20Chang">Seok Woo Chang</a>, <a href="https://publications.waset.org/abstracts/search?q=Kee%20Yeon%20Kum"> Kee Yeon Kum</a>, <a href="https://publications.waset.org/abstracts/search?q=Kwang%20Shik%20Bae"> Kwang Shik Bae</a>, <a href="https://publications.waset.org/abstracts/search?q=WooCheol%20Lee"> WooCheol Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: The objective of this study was to compare the biocompatibilities and mineralization potential of ProRoot MTA and newly developed calcium phosphate based cement, Capseal. Materials and Methods: The biocompatibilities and mineralization-related gene expressions (Bone sialoprotein (BSP) and osteocalcin (OCN)) of ProRoot MTA and Capseal were also compared by a methylthiazol tetrazolium (MTT) assay and reverse transcription-polymerization chain reaction (RT-PCR) analysis on 1, 3, and 7 days, respectively. Empty rings were used as control group. The results were statistically analyzed by Kruskal-Wallis test with a Bonferroni correction. P-value of < 0.05 was considered significant. Results: The biocompatibilities of ProRoot MTA and Capseal were equally favorable. ProRoot MTA and Capseal affected the messenger RNA expression of osteocalcin and osteonectin. Conclusions: Based on the results, both ProRoot MTA and Capseal could be a useful biomaterial in clinical endodontics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocompatibility" title="biocompatibility">biocompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20cement" title=" calcium silicate cement"> calcium silicate cement</a>, <a href="https://publications.waset.org/abstracts/search?q=MTT" title=" MTT"> MTT</a>, <a href="https://publications.waset.org/abstracts/search?q=RT-PCR" title=" RT-PCR"> RT-PCR</a> </p> <a href="https://publications.waset.org/abstracts/3950/biocompatibilities-of-various-calcium-silicate-cements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3950.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">1001</span> Mechanical Properties of Waste Clay Brick Based Geopolymer Cured at Various Temperature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shihab%20Ibrahim">Shihab Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Geopolymer binders as an alternative binder system to ordinary Portland cement are the focus of the past 2 decades of researches. In order to eliminate CO2 emission by cement manufacturing and utilizing construction waste as a source material, clean waste clay bricks which are the waste from Levent Brick factory was activated with a mixture of sodium hydroxide and sodium silicate solution. 12 molarity of sodium hydroxide solution was used and the ratio of sodium silicate to sodium hydroxide was 2.5. Alkaline solution to clay brick powder ratio of 0.35, 0.4, 0.45, and 0.5 was studied. Alkaline solution to powder ratio of 0.4 was found to be optimum ratio to have the same workability as ordinary Portland cement paste. Compressive strength of the clay brick based geopolymer paste samples was evaluated under different curing temperatures and curing durations. One day compressive strength of 57.3 MPa after curing at 85C for 24 hours was obtained which was higher than 7 days compressive strength of ordinary Portland cement paste. The highest compressive strength 71.4 MPa was achieved at seventh day age for the geopolymer paste samples cured at 85C for 24 hours. It was found that 8 hour curing at elevated temperature 85C, is sufficient to get 96% of total strength. 37.4 MPa strength at seventh day of clay brick based geopolymer sample cured at room temperature was achieved. Water absorption around 10% was found for clay brick based geopolymer samples cured at different temperatures with compare to 9.14% water absorption of ordinary Portland cement paste. The clay brick based geopolymer binder can have the potentiality to be used as an alternative binder to Portland cement in a case that the heat treatment provided. Further studies are needed in order to produce the binder in a way that can harden and gain strength without any elevated curing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20and%20demolition%20waste" title="construction and demolition waste">construction and demolition waste</a>, <a href="https://publications.waset.org/abstracts/search?q=geopolymer" title=" geopolymer"> geopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=clay%20brick" title=" clay brick"> clay brick</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength." title=" compressive strength."> compressive strength.</a> </p> <a href="https://publications.waset.org/abstracts/43106/mechanical-properties-of-waste-clay-brick-based-geopolymer-cured-at-various-temperature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43106.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">259</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">1000</span> The Biocompatibility and Osteogenic Potential of Experimental Calcium Silicate Based Root Canal Sealer, Capseal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seok%20Woo%20Chang">Seok Woo Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim: Capseal I and Capseal II are calcium silicate and calcium phosphate based experimental root canal sealer. The aim of this study was to evaluate the biocompatibility and mineralization potential of Capseal I and Capseal II. Materials and Methods: The biocompatibility and mineralization-related gene expression (alkaline phosphatase (ALP), bone sialoprotein (BSP), and osteocalcin (OCN)) of Capseal I and Capseal II were compared using methylthiazol tetrazolium assay and reverse transcription-polymerization chain reaction analysis, respectively. The results were analyzed by Kruskal-Wallis test. P-value of < 0.05 was considered significant. Result: Both Capseal I and Capseal II were favorable in biocompatibility and influenced the messenger RNA expression of ALP and BSP. Conclusion: Within the limitation of this study, Capseal is biocompatible and have mineralization promoting potential, and thus could be a promising root canal sealer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocompatibility" title="biocompatibility">biocompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=mineralization-related%20gene%20expression" title=" mineralization-related gene expression"> mineralization-related gene expression</a>, <a href="https://publications.waset.org/abstracts/search?q=Capseal%20I" title=" Capseal I"> Capseal I</a>, <a href="https://publications.waset.org/abstracts/search?q=Capseal%20II" title=" Capseal II"> Capseal II</a> </p> <a href="https://publications.waset.org/abstracts/10059/the-biocompatibility-and-osteogenic-potential-of-experimental-calcium-silicate-based-root-canal-sealer-capseal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10059.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">279</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">999</span> A Novel Bio-ceramic Using Hyperthermia for Bone Cancer Therapy, Ferro-substituted Silicate Calcium Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=hassan%20gheisari">hassan gheisari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ferro silicate calcium nano particles are prepared through the sol-gel method using polyvinyl alcohol (PVA) as a chelating agent. The powder, as prepared, is annealed at three different temperatures (900 ºC, 1000 ºC, and 1100 ºC) for 3 h. The XRD patterns of the samples indicate broad peaks, and the full width at half maximum decreased with increasing annealing temperature. FTIR spectra of the samples confirm the presence of metal - oxygen complexes within the structure. The average particle size obtained from PSA curve demonstrates ultrafine particles. SEM micrographs indicate the particles synthesized have spherical morphology. The saturation magnetization (Ms) and remnant magnetization (Mr) of the samples show dependence on particle size and crystallinity of the samples. The highest saturation magnetization is achieved for the sample annealed at 1100 ºC having maximum average particle size. The high saturation magnetization of the samples suggests the present method is suitable for obtaining nano particles magnetic ferro bioceramic, which is desirable for practical applications such as hyperthermia bone cancer therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hyperthermia" title="hyperthermia">hyperthermia</a>, <a href="https://publications.waset.org/abstracts/search?q=bone%20cancer" title=" bone cancer"> bone cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=bio%20ceramic%3B%20magnetic%20materials%3B%20sol%E2%80%93%20gel" title=" bio ceramic; magnetic materials; sol– gel"> bio ceramic; magnetic materials; sol– gel</a>, <a href="https://publications.waset.org/abstracts/search?q=silicate%20calcium" title=" silicate calcium"> silicate calcium</a> </p> <a href="https://publications.waset.org/abstracts/163836/a-novel-bio-ceramic-using-hyperthermia-for-bone-cancer-therapy-ferro-substituted-silicate-calcium-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163836.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">73</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">998</span> Ferro-Substituted Silicate Calcium Materials, a Novel Bio-Ceramic Using Hyperthermia for Bone Cancer Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Gheisari">Hassan Gheisari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ferro silicate calcium nano particles are prepared through the sol-gel method using polyvinyl alcohol (PVA) as a chelating agent. The powder as prepared is annealed at three different temperatures (900 ºC, 1000 ºC and 1100 ºC) for 3 h. The XRD patterns of the samples indicate broad peaks and the full width at half maximum decreased with increasing annealing temperature. FTIR spectra of the samples confirm the presence of metal - oxygen complexes within the structure. The average particle size obtained from PSA curve demonstrates ultrafine particles. SEM micrographs indicate the particles synthesized have spherical morphology. The saturation magnetization (Ms) and remnant magnetization (Mr) of the samples show dependence on particle size and crystallinity of the samples. The highest saturation magnetization is achieved for the sample annealed at 1100 ºC having maximum average particle size. The high saturation magnetization of the samples suggests the present method is suitable for obtaining nano particles magnetic ferro bioceramic which is desirable for practical applications such as hyperthermia bone cancer therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hyperthermia" title="hyperthermia">hyperthermia</a>, <a href="https://publications.waset.org/abstracts/search?q=bone%20cancer" title=" bone cancer"> bone cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=bio%20ceramic" title=" bio ceramic"> bio ceramic</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20materials" title=" magnetic materials"> magnetic materials</a>, <a href="https://publications.waset.org/abstracts/search?q=sol%E2%80%93%20gel" title=" sol– gel"> sol– gel</a>, <a href="https://publications.waset.org/abstracts/search?q=silicate%20calcium" title=" silicate calcium"> silicate calcium</a> </p> <a href="https://publications.waset.org/abstracts/39463/ferro-substituted-silicate-calcium-materials-a-novel-bio-ceramic-using-hyperthermia-for-bone-cancer-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39463.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">308</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">997</span> Manufacturing Commercial Bricks with Construction and Demolition Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Kara">Mustafa Kara</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasemin%20Kilic"> Yasemin Kilic</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahattin%20Murat%20Demir"> Bahattin Murat Demir</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%9Cmit%20Ustaoglu"> Ümit Ustaoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Cavit%20Unal"> Cavit Unal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reports utilization of different kind of construction and demolition wastes (C&D) in the production of bricks at industrial scale. Plastered brick waste and tile wastes were collected from ISTAÇ Co. Compost and Recovery Plant, Istanbul, Turkey. Plastered brick waste and tile waste are mixed with brick clay in the proportion of 0-30% and fired at 900ºC. The physical and mechanical properties of the produced bricks were determined and evaluated according to IKIZLER Brick Company Production values, Brick Industry Association (BIA) and Turkish Standards (TS). The resulted showed that plastered brick waste and tile waste can be used to produce good quality brick for various engineering applications in construction and building. The replacement of brick clay by plastered brick waste and tile waste at the levels of 30% has good effects on the compressive strength of the bricks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=commercial%20brick" title="commercial brick">commercial brick</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20and%20demolition%20waste" title=" construction and demolition waste"> construction and demolition waste</a>, <a href="https://publications.waset.org/abstracts/search?q=manufacturing" title=" manufacturing"> manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=recycling" title=" recycling"> recycling</a> </p> <a href="https://publications.waset.org/abstracts/49267/manufacturing-commercial-bricks-with-construction-and-demolition-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49267.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">358</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">996</span> Fire Resistance Capacity of Reinforced Concrete Member Strengthened by Fiber Reinforced Polymer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Soo-Yeon%20Seo">Soo-Yeon Seo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong-Wook%20Lim"> Jong-Wook Lim</a>, <a href="https://publications.waset.org/abstracts/search?q=Se-Ki%20Song"> Se-Ki Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently, FRP (Fiber Reinforced Polymer) materials have been widely used for reinforcement of building structural members. However, since the FRP and the epoxy material for attaching it have very low resistance to heat, there is a problem in application where high temperature is an issue. In this paper, the resistance performance of FRP member made of carbon fiber at high temperature was investigated through experiment under temperature change. As a result, epoxy encapsulating FRP is damaged at not high temperatures, and the fibers are degraded. Therefore, when reinforcing a structure using FRP, a separate refractory heat treatment is necessary. The use of a 30 mm thick calcium silicate board as a fireproofing method can protect FRP up to 600ᵒC outside temperature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FRP%20%28Fiber%20Reinforced%20Polymer%29" title="FRP (Fiber Reinforced Polymer)">FRP (Fiber Reinforced Polymer)</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20temperature" title=" high temperature"> high temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=experiment%20under%20temperature%20change" title=" experiment under temperature change"> experiment under temperature change</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20board" title=" calcium silicate board"> calcium silicate board</a> </p> <a href="https://publications.waset.org/abstracts/78913/fire-resistance-capacity-of-reinforced-concrete-member-strengthened-by-fiber-reinforced-polymer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78913.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">396</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">995</span> Influence of Variable Calcium Content on Mechanical Properties of Geopolymer Synthesized at Different Temperature and Moisture Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suraj%20D.%20Khadka">Suraj D. Khadka</a>, <a href="https://publications.waset.org/abstracts/search?q=Priyantha%20W.%20Jayawickrama"> Priyantha W. Jayawickrama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In search of a sustainable construction material, geopolymer has been investigated for past decades to evaluate its advantage over conventional products. Synthesis of geopolymer requires a source of aluminosilicate mixed with sodium hydroxide and sodium silicate at different proportions to maintain a Si/Al molar ratio of 1-3 and Na/Al molar ratio of unity. A comprehensive geopolymer study was performed with Metakaolin and Class C Fly ash as primary aluminosilicate sources. Synthesized geopolymer was analyzed for time-dependent viscosity, setting period and strength at varying initial moisture content, curing temperature and humidity. Different concentration of Ca(OH)₂ and CaSO₄.2H₂O were added to vary the amount of calcium contained in synthesized geopolymer. Influence of calcium content in unconfined compressive strength behavior of geopolymer were analyzed. Finally, Scanning Electron Microscopy-Energy Dispersive Spectroscopy (SEM-EDS) was performed to investigate the hardened product. It was observed that fly ash based geopolymer had shortened setting time and faster increase in viscosity as compared to geopolymer synthesized from metakaolin. This was primarily attributed to higher calcium content resulting in formation of calcium silicate hydrates (CSH). SEM-EDS was performed to verify the presence of CSH phases. Spectral analysis of geopolymer prepared by addition of Ca(OH)₂ and CaSO₄.2H₂O indicated higher CSH phases at higher concentration. It was observed that lower concentration of added calcium favored strength gain in geopolymer. However, at higher calcium concentration, decrease in strength was observed. Strength variation was also observed with humidity at initial curing condition. At 100% humidity, geopolymer with added calcium presented higher strength compared to samples cured at ambient humidity condition (40%). Reduction in strength in these samples at lower humidity was primarily attributed to reduction in moisture content in specimen due to the formation of CSH phases and loss of moisture through evaporation. For low calcium content geopolymers, with increase in temperature, gain in strength was observed with maximum strength observed at 200 ˚C. However, samples with higher calcium content demonstrated severe cracking resulting in low strength at elevated temperatures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20hydrates" title="calcium silicate hydrates">calcium silicate hydrates</a>, <a href="https://publications.waset.org/abstracts/search?q=geopolymer" title=" geopolymer"> geopolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=humidity" title=" humidity"> humidity</a>, <a href="https://publications.waset.org/abstracts/search?q=Scanning%20Electron%20Microscopy-Energy%20Dispersive%20Spectroscopy" title=" Scanning Electron Microscopy-Energy Dispersive Spectroscopy"> Scanning Electron Microscopy-Energy Dispersive Spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=unconfined%20compressive%20strength" title=" unconfined compressive strength "> unconfined compressive strength </a> </p> <a href="https://publications.waset.org/abstracts/96918/influence-of-variable-calcium-content-on-mechanical-properties-of-geopolymer-synthesized-at-different-temperature-and-moisture-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96918.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">127</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">994</span> Study of Pipes Scaling of Purified Wastewater Intended for the Irrigation of Agadir Golf Grass</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Driouiche">A. Driouiche</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mohareb"> S. Mohareb</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Hadfi"> A. Hadfi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Morocco’s Agadir region, the reuse of treated wastewater for irrigation of green spaces has faced the problem of scaling of the pipes of these waters. This research paper aims at studying the phenomenon of scaling caused by the treated wastewater from the Mzar sewage treatment plant. These waters are used in the irrigation of golf turf for the Ocean Golf Resort. Ocean Golf, located about 10 km from the center of the city of Agadir, is one of the most important recreation centers in Morocco. The course is a Belt Collins design with 27 holes, and is quite open with deep challenging bunkers. The formation of solid deposits in the irrigation systems has led to a decrease in their lifetime and, consequently, a loss of load and performance. Thus, the sprinklers used in golf turf irrigation are plugged in the first weeks of operation. To study this phenomenon, the wastewater used for the irrigation of the golf turf was taken and analyzed at various points, and also samples of scale formed in the circuits of the passage of these waters were characterized. This characterization of the scale was performed by X-ray fluorescence spectrometry, X-ray diffraction (XRD), thermogravimetric analysis (TGA), differential thermal analysis (DTA), and scanning electron microscopy (SEM). The results of the physicochemical analysis of the waters show that they are full of bicarbonates (653 mg/L), chloride (478 mg/L), nitrate (412 mg/L), sodium (425 mg/L) and calcium (199mg/L). Their pH is slightly alkaline. The analysis of the scale reveals that it is rich in calcium and phosphorus. It is formed of calcium carbonate (CaCO₃), silica (SiO₂), calcium silicate (Ca₂SiO₄), hydroxylapatite (Ca₁₀P₆O₂₆), calcium carbonate and phosphate (Ca₁₀(PO₄) 6CO₃) and silicate calcium and magnesium (Ca₅MgSi₃O₁₂). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agadir" title="Agadir">Agadir</a>, <a href="https://publications.waset.org/abstracts/search?q=irrigation" title=" irrigation"> irrigation</a>, <a href="https://publications.waset.org/abstracts/search?q=scaling%20water" title=" scaling water"> scaling water</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a> </p> <a href="https://publications.waset.org/abstracts/114059/study-of-pipes-scaling-of-purified-wastewater-intended-for-the-irrigation-of-agadir-golf-grass" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114059.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">120</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">993</span> Preparation and Evaluation of Calcium Fluorosilicate (CaSiF₆) as a Fluorinating Agent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Natsumi%20Murakami">Natsumi Murakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Jae-Ho%20Kim"> Jae-Ho Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Susumu%20Yonezawa"> Susumu Yonezawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The calcium fluorosilicate (CaSiF₆) was prepared from calcium silicate (CaSiO₃) with fluorine gas at 25 ~ 200 ℃ and 760 Torr for 1~24 h. Especially, the pure CaSiF₆ could be prepared at 25 ℃ for 24 h with F₂ gas from the results of X-ray diffraction. Increasing temperature to higher than 100 ℃, the prepared CaSiF₆ was decomposed into CaF₂ and SiF₄. The release of SiF₄ gas was confirmed by the results of gas-phase infrared spectroscopy. In this study, we tried to modify the surface of polycarbonate (PC) resin using the SiF₄ gas released from CaSiF₆ particles. By using the prepared CaSiF₆, the surface roughness of fluorinated PC samples was approximately four times larger than that (1.4 nm) of the untreated sample. The results of X-ray photoelectron spectroscopy indicated the formation of fluorinated bonds (e.g., -CFx) on the surface of PC after surface fluorination. Consequently, the CaSiF₆ particles can be useful for a new fluorinating agent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20fluorosilicate" title="calcium fluorosilicate">calcium fluorosilicate</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorinating%20agent" title=" fluorinating agent"> fluorinating agent</a>, <a href="https://publications.waset.org/abstracts/search?q=polycarbonate" title=" polycarbonate"> polycarbonate</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20fluorination" title=" surface fluorination"> surface fluorination</a> </p> <a href="https://publications.waset.org/abstracts/152871/preparation-and-evaluation-of-calcium-fluorosilicate-casif6-as-a-fluorinating-agent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152871.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">124</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">992</span> Effects of Crushed Waste Aggregate from the Manufacture of Clay Bricks on Rendering Cement Mortar Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benmalek%20M.%20Larbi">Benmalek M. Larbi</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Harbi"> R. Harbi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Boukor"> S. Boukor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reports an experimental work that aimed to investigate the effects of clay brick waste, as part of fine aggregate, on rendering mortar performance. The brick, in crushed form, was from a local brick manufacturer that was rejected due to being of-standard. It was used to replace 33.33 %, 50 %, 66.66 % and 100 % by weight of the quarry sand in mortar. Effects of the brick replacement on the mortar key properties intended for wall plastering were investigated; these are workability, compressive strength, flexural strength, linear shrinkage, water absorption by total immersion and by capillary suction. The results showed that as the brick replacement level increased, the mortar workability reduced. The linear shrinkage increases over time and decreases with the introduction of brick waste. The compressive and flexural strengths decrease with the increase of brick waste because of their great water absorption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=clay%20brick%20waste" title="clay brick waste">clay brick waste</a>, <a href="https://publications.waset.org/abstracts/search?q=mortar" title=" mortar"> mortar</a>, <a href="https://publications.waset.org/abstracts/search?q=properties" title=" properties"> properties</a>, <a href="https://publications.waset.org/abstracts/search?q=quarry%20sand" title=" quarry sand"> quarry sand</a> </p> <a href="https://publications.waset.org/abstracts/39746/effects-of-crushed-waste-aggregate-from-the-manufacture-of-clay-bricks-on-rendering-cement-mortar-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39746.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">262</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">991</span> Efficacy of Crystalline Admixtures in Self-Healing Capacity of Fibre Reinforced Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evangelia%20Tsampali">Evangelia Tsampali</a>, <a href="https://publications.waset.org/abstracts/search?q=Evangelos%20Yfantidis"> Evangelos Yfantidis</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreas%20Ioakim"> Andreas Ioakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Stefanidou"> Maria Stefanidou</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is the characterization of the effects of crystalline admixtures on concrete. Crystallites, aided by the presence of humidity, form idiomorphic crystals that block cracks and pores resulting in reduced porosity. In this project, two types of crystallines have been employed. The hydrophilic nature of crystalline admixtures helps the components to react with water and cement particles in the concrete to form calcium silicate hydrates and pore-blocking precipitates in the existing micro-cracks and capillaries. The underlying mechanism relies on the formation of calcium silicate hydrates and the resulting deposits of these crystals become integrally bound with the hydrated cement paste. The crystalline admixtures continue to activate throughout the life of the composite material when in the presence of moisture entering the concrete through hairline cracks, sealing additional gaps. The resulting concrete exhibits significantly increased resistance to water penetration under stress. Admixtures of calcium aluminates can also contribute to this healing mechanism in the same manner. However, this contribution is negligible compared to the calcium silicate hydrates due to the abundance of the latter. These crystalline deposits occur throughout the concrete volume and are a permanent part of the concrete mass. High-performance fibre reinforced cementitious composite (HPFRCC) were produced in the laboratory. The specimens were exposed in three healing conditions: water immersion until testing at 15 °C, sea water immersion until testing at 15 °C, and wet/dry cycles (immersion in tap water for 3 days and drying for 4 days). Specimens were pre-cracked at 28 days, and the achieved cracks width were in the range of 0.10–0.50 mm. Furthermore, microstructure observations and Ultrasonic Pulse Velocity tests have been conducted. Based on the outcomes, self-healing related indicators have also been defined. The results show almost perfect healing capability for specimens healed under seawater, better than for specimens healed in water while inadequate for the wet/dry exposure in both of the crystalline types. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autogenous%20self-healing" title="autogenous self-healing">autogenous self-healing</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=crystalline%20admixtures" title=" crystalline admixtures"> crystalline admixtures</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20pulse%20velocity%20test" title=" ultrasonic pulse velocity test"> ultrasonic pulse velocity test</a> </p> <a href="https://publications.waset.org/abstracts/104401/efficacy-of-crystalline-admixtures-in-self-healing-capacity-of-fibre-reinforced-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104401.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">127</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">990</span> Damage Assessment and Repair for Older Brick Buildings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tim%20D.%20Sass">Tim D. Sass</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The experience of engineers and architects practicing today is typically limited to current building code requirements and modern construction methods and materials. However, many cities have a mix of new and old buildings with many buildings constructed over one hundred years ago when building codes and construction methods were much different. When a brick building sustains damage, a structural engineer is often hired to determine the cause of damage as well as determine the necessary repairs. Forensic studies of dozens of brick buildings shows an appreciation of historical building methods and materials is needed to correctly identify the cause of damage and design an appropriate repair. Damage on an older, brick building can be mistakenly attributed to storms or seismic events when the real source of the damage is deficient original construction. Assessing and remediating damaged brickwork on older brick buildings requires an understanding of the original construction, an understanding of older repair methods, and, an understanding of current building code requirements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brick" title="brick">brick</a>, <a href="https://publications.waset.org/abstracts/search?q=damage" title=" damage"> damage</a>, <a href="https://publications.waset.org/abstracts/search?q=deterioration" title=" deterioration"> deterioration</a>, <a href="https://publications.waset.org/abstracts/search?q=facade" title=" facade"> facade</a> </p> <a href="https://publications.waset.org/abstracts/78577/damage-assessment-and-repair-for-older-brick-buildings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78577.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">227</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">989</span> Hydration Behavior of Belitic Cement in the Presence of Na₂CO₃, NaOH, KOH, and Water Glass</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Amor">F. Amor</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bouregba"> A. Bouregba</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20El%20Fami"> N. El Fami</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Diouri"> A. Diouri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study provides insights into the role of alkalis in modifying the hydration kinetics and microstructural development of β-dicalcium silicate, highlighting potential pathways for enhancing the performance of belite-based cements in various construction applications. It investigates the behavior of β-dicalcium silicates (β-Ca₂SiO₄) when hydrated in various alkaline environments, including deionized water and solutions containing 2M concentrations of Na₂CO₃, NaOH, KOH, and water glass. The dicalcium silicate was synthesized with laboratory reagents, calcium carbonate, and gel silica. The hydration process was carried out over different periods, ranging from 7 to 90 days. The hydrated samples were characterized using X-ray diffraction, infrared spectroscopy, and scanning electron microscopy, while the mechanical strength tests were performed at 28 and 90 days. The results indicate that the presence of alkalis significantly influences the hydration of belite cement. Early hydration is accelerated, which is evident from the faster dissolution of C₂S, a decrease in C₂S peaks, and the formation of C-S-H products, including sodium-containing C-(N)-S-H and potassium-containing C-(K)-S-H. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dicalcium%20silicate" title="dicalcium silicate">dicalcium silicate</a>, <a href="https://publications.waset.org/abstracts/search?q=alkali%20activator" title=" alkali activator"> alkali activator</a>, <a href="https://publications.waset.org/abstracts/search?q=hydration" title=" hydration"> hydration</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20glass" title=" water glass"> water glass</a>, <a href="https://publications.waset.org/abstracts/search?q=Na%E2%82%82CO%E2%82%83" title=" Na₂CO₃"> Na₂CO₃</a>, <a href="https://publications.waset.org/abstracts/search?q=NaOH" title=" NaOH"> NaOH</a>, <a href="https://publications.waset.org/abstracts/search?q=KOH" title=" KOH"> KOH</a> </p> <a href="https://publications.waset.org/abstracts/193548/hydration-behavior-of-belitic-cement-in-the-presence-of-na2co3-naoh-koh-and-water-glass" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/193548.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">13</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">988</span> Properties of Fly Ash Brick Prepared in Local Environment of Bangladesh</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Robiul%20Islam">Robiul Islam</a>, <a href="https://publications.waset.org/abstracts/search?q=Monjurul%20Hasan"> Monjurul Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=Rezaul%20Karim"> Rezaul Karim</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20F.%20M.%20Zain"> M. F. M. Zain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Coal fly ash, an industrial by product of coal combustion thermal power plants is considered as a hazardous material and its improper disposal has become an environmental issue. On the other hand, manufacturing conventional clay bricks involves on consumption of large amount of clay and leads substantial depletion of topsoil. This paper unveils the possibility of using fly ash as a partial replacement of clay for brick manufacturing considering the local technology practiced in Bangladesh. The effect of fly ash with different replacing ratio (0%, 20%, 30%, 40% and 50% by volume) of clay on properties of bricks were studied. Bricks were made in the field parallel to ordinary bricks marked with specific number for different percentage to identify them at time of testing. No physical distortion is observed in fly ash brick after burning in the kiln. Results from laboratory test show that compressive strength of brick is decreased with the increase of fly ash and maximum compressive strength is found to be 19.6 MPa at 20% of fly ash. In addition, water absorption of fly ash brick is increased with the increase of fly ash. The abrasion value and Specific gravity of coarse aggregate prepared from brick with fly ash also studied and the results of this study suggests that 20% fly ash can be considered as the optimum fly ash content for producing good quality bricks utilizing present practiced technology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bangladesh%20brick" title="Bangladesh brick">Bangladesh brick</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=clay%20brick" title=" clay brick"> clay brick</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%0D%0Aproperties" title=" physical properties"> physical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a> </p> <a href="https://publications.waset.org/abstracts/41223/properties-of-fly-ash-brick-prepared-in-local-environment-of-bangladesh" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41223.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">254</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">987</span> Repurposing of Crystalline Solar PV For Sodium Silicate Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lawal%20Alkasim">Lawal Alkasim</a>, <a href="https://publications.waset.org/abstracts/search?q=Clement%20M.%20Gonah"> Clement M. Gonah</a>, <a href="https://publications.waset.org/abstracts/search?q=Zainab%20S.%20Aliyu"> Zainab S. Aliyu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work is focus on recovering silicon form photovoltaic cells and repurposing it toward the use in glass, ceramics or glass ceramics as it is made up of silicon material. Silicon is the main back-bone and responsible for the thermodynamic properties of glass, ceramics and glass ceramics materials. Antireflection silicon is soluble in hot alkali. Successfully the recovered material composed of silicon and silicon nitride of the A.R, with a small amount of silver, Aluminuim, lead & copper in the sunshine of crystalline/non-crystalline silicon solar cell. Aquaregia is used to remove the silver, Aluminium, lead & copper. The recovered material treated with hot alkali highly concentrated to produce sodium silicate, which is an alkali silicate glass (water glass). This type of glass is produced through chemical process, unlike other glasses that are produced through physical process of melting and non-crystalline solidification. It has showed a property of being alkali silicate glass from its solubility in water and insoluble in alcohol. The XRF analysis shows the presence of sodium silicate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=unrecyclable%20solar%20PV" title="unrecyclable solar PV">unrecyclable solar PV</a>, <a href="https://publications.waset.org/abstracts/search?q=crystalline%20silicon" title=" crystalline silicon"> crystalline silicon</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20conc.%20%20alkali" title=" hot conc. alkali"> hot conc. alkali</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20silicate" title=" sodium silicate"> sodium silicate</a> </p> <a href="https://publications.waset.org/abstracts/168585/repurposing-of-crystalline-solar-pv-for-sodium-silicate-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168585.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">101</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">986</span> Origins of Chicago Common Brick: Examining a Masonry Shell Encasing a New Ando Museum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Joseph%20Whittaker">Daniel Joseph Whittaker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper examines the broad array of historic sites from which Chicago common brick has emerged, and the methods this brick has been utilized within and around a new hybrid structure recently completed-and periodically opened to the public, as a private art, architecture, design, and social activism gallery space. Various technical aspects regarding the structural and aesthetic reuse methods of salvaged brick within the interior and exterior of this new Tadao Ando-designed building in Lincoln Park, Chicago, are explored. This paper expands specifically upon the multiple possible origins of Chicago common brick, as well as the extant brick currently composing the surrounding alley which is integral to demarcating the southern site boundary of the old apartment building now gallery. Themes encompassing Chicago’s archeological and architectural history, local resource extraction, and labor practices permeate this paper’s investigation into urban, social and architectural history and building construction technology advancements through time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=masonry%20construction" title="masonry construction">masonry construction</a>, <a href="https://publications.waset.org/abstracts/search?q=history%20brickmaking" title=" history brickmaking"> history brickmaking</a>, <a href="https://publications.waset.org/abstracts/search?q=private%20museums" title=" private museums"> private museums</a>, <a href="https://publications.waset.org/abstracts/search?q=Chicago%20Illinois" title=" Chicago Illinois"> Chicago Illinois</a>, <a href="https://publications.waset.org/abstracts/search?q=Tadao%20Ando" title=" Tadao Ando"> Tadao Ando</a> </p> <a href="https://publications.waset.org/abstracts/100633/origins-of-chicago-common-brick-examining-a-masonry-shell-encasing-a-new-ando-museum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100633.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">171</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">985</span> The Influence of Water and Salt Crystals Content on Thermal Conductivity Coefficient of Red Clay Brick</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dalia%20Bednarska">Dalia Bednarska</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcin%20Koniorczyk"> Marcin Koniorczyk</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents results of experiments aimed at studying hygro-thermal properties of red clay brick. The main objective of research was to investigate the relation between thermal conductivity coefficient of brick and its water or Na2SO4 solution content. The research was conducted using stationary technique for the totally dried specimens, as well as the ones 25%, 50%, 75% and 100% imbued with water or sodium sulfate solution. Additionally, a sorption isotherm test was conducted for seven relative humidity levels. Furthermore the change of red clay brick pore structure before and after imbuing with water and salt solution was investigated by multi-cycle mercury intrusion test. The experimental results confirm negative influence of water or sodium sulphate on thermal properties of material. The value of thermal conductivity coefficient increases along with growth of water or Na₂SO₄ solution content. The study shows that the presence of Na₂SO₄ solution has less negative influence on brick’s thermal conductivity coefficient than water. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=building%20materials" title="building materials">building materials</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20clay%20brick" title=" red clay brick"> red clay brick</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20sulfate" title=" sodium sulfate"> sodium sulfate</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20conductivity%20coefficient" title=" thermal conductivity coefficient"> thermal conductivity coefficient</a> </p> <a href="https://publications.waset.org/abstracts/67724/the-influence-of-water-and-salt-crystals-content-on-thermal-conductivity-coefficient-of-red-clay-brick" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67724.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">404</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">984</span> Can Bone Resorption Reduce with Nanocalcium Particles in Astronauts?</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Teja%20Mandapaka">Ravi Teja Mandapaka</a>, <a href="https://publications.waset.org/abstracts/search?q=Prasanna%20Kumar%20Kukkamalla"> Prasanna Kumar Kukkamalla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Poor absorption of calcium, elevated levels in serum and loss of bone are major problems of astronauts during space travel. Supplementation of calcium could not reveal this problem. In normal condition only 33% of calcium is absorbed from dietary sources. In this paper effect of space environment on calcium metabolism was discussed. Many surprising study findings were found during literature survey. Clinical trials on ovariectomized mice showed that reduction of calcium particles to nano level make them more absorbable and bioavailable. Control of bone loss in astronauts in critical important In Fortification of milk with nana calcium particles showed reduces urinary pyridinoline, deoxypyridinoline levels. Dietary calcium and supplementation do not show much retention of calcium in zero gravity environment where absorption is limited. So, the fortification of foods with nano calcium particles seemed beneficial for astronauts during and after space travel in their speedy recovery. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano%20calcium" title="nano calcium">nano calcium</a>, <a href="https://publications.waset.org/abstracts/search?q=astronauts" title=" astronauts"> astronauts</a>, <a href="https://publications.waset.org/abstracts/search?q=fortification" title=" fortification"> fortification</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementation" title=" supplementation"> supplementation</a> </p> <a href="https://publications.waset.org/abstracts/30899/can-bone-resorption-reduce-with-nanocalcium-particles-in-astronauts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30899.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">494</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">983</span> Effect of High Temperature on Residual Mechanical and Physical Properties of Brick Aggregate Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samia%20Hachemi">Samia Hachemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelhafid%20Ounis"> Abdelhafid Ounis</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Heriheri"> W. Heriheri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an experimental investigation of high temperatures applied to normal and high performance concrete made with natural coarse aggregates. The experimental results of physical and mechanical properties were compared with those obtained with recycled brick aggregates produced by replacing 30% of natural coarse aggregates by recycled brick aggregates. The following parameters: compressive strength, concrete mass loss, apparent density and water porosity were examined in this experiment. The results show that concrete could be produced by using recycled brick aggregates and reveals that at high temperatures recycled aggregate concrete preformed similar or even better than natural aggregate concrete. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20temperature" title="high temperature">high temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a>, <a href="https://publications.waset.org/abstracts/search?q=mass%20loss" title=" mass loss"> mass loss</a>, <a href="https://publications.waset.org/abstracts/search?q=recycled%20brick%20aggregate" title=" recycled brick aggregate"> recycled brick aggregate</a> </p> <a href="https://publications.waset.org/abstracts/37547/effect-of-high-temperature-on-residual-mechanical-and-physical-properties-of-brick-aggregate-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37547.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">982</span> An Overview of Sludge Utilization into Fired Clay Brick</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aeslina%20Binti%20Abdul%20Kadir">Aeslina Binti Abdul Kadir</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Shayuti%20Bin%20Abdul%20Rahim"> Ahmad Shayuti Bin Abdul Rahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brick is one of the most common masonry units used as building material. Due to the demand, different types of waste have been investigated to be incorporated into the bricks. Many types of sludge have been incorporated in fired clay brick for example marble sludge, stone sludge, water sludge, sewage sludge, and ceramic sludge. The utilization of these waste materials in fired clay bricks usually has positive effects on the properties such as lightweight bricks with improved shrinkage, porosity, and strength. This paper reviews on utilization of different types of sludge wastes into fired clay bricks. Previous investigations have demonstrated positive effects on the physical and mechanical properties as well as less impact towards the environment. Thus, the utilizations of sludge waste could produce a good quality of brick and could be one of alternative disposal methods for the sludge wastes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fired%20clay%20brick" title="fired clay brick">fired clay brick</a>, <a href="https://publications.waset.org/abstracts/search?q=sludge%20waste" title=" sludge waste"> sludge waste</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a>, <a href="https://publications.waset.org/abstracts/search?q=shrinkage" title=" shrinkage"> shrinkage</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20absorption" title=" water absorption"> water absorption</a> </p> <a href="https://publications.waset.org/abstracts/11628/an-overview-of-sludge-utilization-into-fired-clay-brick" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11628.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">446</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">981</span> Investigation on 3D Printing of Calcium silicate Bioceramic Slurry for Bone Tissue Engineering</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amin%20Jabbari">Amin Jabbari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The state of the art in major 3D printing technologies, such as powder-based and slurry based, has led researchers to investigate the ability to fabricate bone scaffolds for bone tissue engineering using biomaterials. In addition, 3D printing technology can simulate mechanical and biological surface properties and print with high precision complex internal and external structures that match their functional properties. Polymer matrix composites reinforced with particulate bioceramics, hydrogels reinforced with particulate bioceramics, polymers coated with bioceramics, and non-porous bioceramics are among the materials that can be investigated for bone scaffold printing. Furthermore, it was shown that the introduction of high-density micropores into the sparingly dissolvable CSiMg10 and dissolvable CSiMg4 shell layer inevitably leads to a nearly 30% reduction in compressive strength, but such micropores can easily influence the ion release behavior of the scaffolds. Also, biocompatibility tests such as cytotoxicity, hemocompatibility and genotoxicity were tested on printed parts. The printed part was tested in vitro, and after 24-26 h for cytotoxicity, and 4h for hemocompatibility test, the CSiMg4@CSiMg10-p scaffolds were found to have significantly higher osteogenic capability than the other scaffolds of implantation. Overall, these experimental studies demonstrate that 3D printed, additively-manufactured bioceramic calcium (Ca)-silicate scaffolds with appropriate pore dimensions are promising to guide new bone ingrowth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AM" title="AM">AM</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20printed%20implants" title=" 3D printed implants"> 3D printed implants</a>, <a href="https://publications.waset.org/abstracts/search?q=bioceramic" title=" bioceramic"> bioceramic</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20engineering" title=" tissue engineering"> tissue engineering</a> </p> <a href="https://publications.waset.org/abstracts/169211/investigation-on-3d-printing-of-calcium-silicate-bioceramic-slurry-for-bone-tissue-engineering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169211.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">66</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">980</span> New Challenge: Reduction of Aflatoxin M1 Residues in Cow’s Milk by MilBond Dietary Hydrated Sodium Calcium Aluminosilicate (HSCAS) and Its Effect on Milk Composition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Aly%20Salwa">A. Aly Salwa</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Diekmann"> H. Diekmann</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Hafiz%20Ragaa"> S. Hafiz Ragaa</a>, <a href="https://publications.waset.org/abstracts/search?q=DG%20Abo%20Elhassan"> DG Abo Elhassan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study was aimed to evaluate the effect of Milbond (HSCAS) on aflatoxin M1 in artificially contaminated cows milk. Chemisorption compounds used in this experiment were MIlBond, hydrated sodium calcium aluminosilicate (HSCAS). Raw cow milk were artificially exposed to aflatoxin M1 in a concentration of 100 ppb) with addition of Nilbond at 0.5, 1, 2 and 3 % at room temperature for 30 minutes. Aflatoxin M1 was decreased more than 95% by HSCAS at 2%. Milk composition consist of protein, fat, lactose, solid non fat and total solid were affected by addition of some adsorbents were not significantly affected (p 0.05). Tthis method did not involve degrading the toxin, milk may be free from toxin degradation products and is safe for consumption. In addition, the added material may be easily separated from milk after the substance adsorbs the toxin. Thus, this method should be developed by further researches for determining effects of these compounds on functional properties of milk. The ability of hydrated sodium calcium aluminosilicate to prevent or reduce the level of aflatoxin MI residues in milk is critically needed. This finding has important implications, because milk is ultimately consumed by humans and animals, and the reduction of aflatoxin contamination in the milk could have an important impact on their health. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aflatoxin%20M1" title="aflatoxin M1">aflatoxin M1</a>, <a href="https://publications.waset.org/abstracts/search?q=Hydrated%20sodium%20calcium%20aluminium%20silicate" title=" Hydrated sodium calcium aluminium silicate"> Hydrated sodium calcium aluminium silicate</a>, <a href="https://publications.waset.org/abstracts/search?q=detoxification" title=" detoxification"> detoxification</a>, <a href="https://publications.waset.org/abstracts/search?q=raw%20cow%20milk" title=" raw cow milk"> raw cow milk</a> </p> <a href="https://publications.waset.org/abstracts/24505/new-challenge-reduction-of-aflatoxin-m1-residues-in-cows-milk-by-milbond-dietary-hydrated-sodium-calcium-aluminosilicate-hscas-and-its-effect-on-milk-composition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24505.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">436</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">979</span> XANES Studies on the Oxidation States of Copper Ion in Silicate Glass </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Buntem">R. Buntem</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Samkongngam"> K. Samkongngam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The silicate glass was prepared using rice husk as the source of silica. The base composition of glass sample is composed of SiO2 (from rice husk ash), Na2CO3, K2CO3, ZnO, H3BO3, CaO, Al2O3 or Al, and CuO. Aluminum is used in place of Al2O3 in order to reduce Cu2+ to Cu+. The red color of Cu2O in the glass matrix was observed when the Al was added into the glass mixture. The expansion coefficients of the copper doped glass are in the range of 1.2 x 10-5-1.4x10-5 (ºC -1) which is common for the silicate glass. The finger prints of the bond vibrations were studied using IR spectroscopy. While the oxidation state and the coordination information of the copper ion in the glass matrix were investigated using X-ray absorption spectroscopy. From the data, Cu+ and Cu2+ exist in the glass matrix. The red particles of Cu2O can be formed in the glass matrix when enough aluminum was added. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=copper%20in%20glass" title="copper in glass">copper in glass</a>, <a href="https://publications.waset.org/abstracts/search?q=coordination%20information" title=" coordination information"> coordination information</a>, <a href="https://publications.waset.org/abstracts/search?q=silicate%20glass" title=" silicate glass"> silicate glass</a>, <a href="https://publications.waset.org/abstracts/search?q=XANES%20spectrum" title=" XANES spectrum"> XANES spectrum</a> </p> <a href="https://publications.waset.org/abstracts/15673/xanes-studies-on-the-oxidation-states-of-copper-ion-in-silicate-glass" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15673.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">263</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">978</span> Numerical Model to Study Calcium and Inositol 1,4,5-Trisphosphate Dynamics in a Myocyte Cell</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nisha%20Singh">Nisha Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Neeru%20Adlakha"> Neeru Adlakha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Calcium signalling is one of the most important intracellular signalling mechanisms. A lot of approaches and investigators have been made in the study of calcium signalling in various cells to understand its mechanisms over recent decades. However, most of existing investigators have mainly focussed on the study of calcium signalling in various cells without paying attention to the dependence of calcium signalling on other chemical ions like inositol-1; 4; 5 triphosphate ions, etc. Some models for the independent study of calcium signalling and inositol-1; 4; 5 triphosphate signalling in various cells are present but very little attention has been paid by the researchers to study the interdependence of these two signalling processes in a cell. In this paper, we propose a coupled mathematical model to understand the interdependence of inositol-1; 4; 5 triphosphate dynamics and calcium dynamics in a myocyte cell. Such studies will provide the deeper understanding of various factors involved in calcium signalling in myocytes, which may be of great use to biomedical scientists for various medical applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20signalling" title="calcium signalling">calcium signalling</a>, <a href="https://publications.waset.org/abstracts/search?q=coupling" title=" coupling"> coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20difference%20method" title=" finite difference method"> finite difference method</a>, <a href="https://publications.waset.org/abstracts/search?q=inositol%201" title=" inositol 1"> inositol 1</a>, <a href="https://publications.waset.org/abstracts/search?q=4" title=" 4"> 4</a>, <a href="https://publications.waset.org/abstracts/search?q=5-triphosphate" title=" 5-triphosphate"> 5-triphosphate</a> </p> <a href="https://publications.waset.org/abstracts/68214/numerical-model-to-study-calcium-and-inositol-145-trisphosphate-dynamics-in-a-myocyte-cell" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68214.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">292</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=calcium%20silicate%20brick&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=calcium%20silicate%20brick&page=3">3</a></li> <li class="page-item"><a class="page-link" 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