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Search results for: Waste cementitious powder

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3648</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Waste cementitious powder</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3648</span> XRD and Image Analysis of Low Carbon Type Recycled Cement Using Waste Cementitious Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyeonuk%20Shin">Hyeonuk Shin</a>, <a href="https://publications.waset.org/abstracts/search?q=Hun%20Song"> Hun Song</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongsik%20Chu"> Yongsik Chu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jongkyu%20Lee"> Jongkyu Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Dongcheon%20Park"> Dongcheon Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Although much current research has been devoted to reusing concrete in the form of recycled aggregate, insufficient attention has been given to researching the utilization of waste concrete powder, which constitutes 20 % or more of waste concrete and therefore the majority of waste cementitious powder is currently being discarded or buried in landfills. This study consists of foundational research for the purpose of reusing waste cementitious powder in the form of recycled cement that can answer the need for low carbon green growth. Progressing beyond the conventional practice of using the waste cementitious powder as inert filler material, this study contributes to the aim of manufacturing high value added materials that exploits the chemical properties of the waste cementitious powder, by presenting a pre-treatment method for the material and an optimal method of proportioning the mix of materials to develop a low carbon type of recycled cement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Low%20carbon%20type%20cement" title="Low carbon type cement">Low carbon type cement</a>, <a href="https://publications.waset.org/abstracts/search?q=Waste%20cementitious%20%20powder" title=" Waste cementitious powder"> Waste cementitious powder</a>, <a href="https://publications.waset.org/abstracts/search?q=Waste%20recycling" title=" Waste recycling"> Waste recycling</a> </p> <a href="https://publications.waset.org/abstracts/17681/xrd-and-image-analysis-of-low-carbon-type-recycled-cement-using-waste-cementitious-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17681.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">464</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">3647</span> Analysis of the Recovery of Burnility Index and Reduction of CO2 for Cement Manufacturing Utilizing Waste Cementitious Powder as Alternative Raw Material of Limestone</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kwon%20Eunhee">Kwon Eunhee</a>, <a href="https://publications.waset.org/abstracts/search?q=Park%20Dongcheon"> Park Dongcheon</a>, <a href="https://publications.waset.org/abstracts/search?q=Jung%20Jaemin"> Jung Jaemin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In countries around the world, environmental regulations are being strengthened, and Korea is no exception to this trend, which means that environment pollution and the environmental load have recently become a significant issue. For this reason, in this study limestone was replaced with cementitious powder to reduce the volume of construction waste as well as the emission of carbon dioxide caused by Tal-carbonate reaction. The research found that cementitious powder can be used as a substitute for limestone. However, the mix proportions of fine aggregate and powder included in the cementitious powder appear to have a great effect on substitution. Thus, future research should focus on developing a technology that can effectively separate and discharge fine aggregate and powder in the cementitious powder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=waste%20cementitious%20powder" title="waste cementitious powder">waste cementitious powder</a>, <a href="https://publications.waset.org/abstracts/search?q=fine%20aggregate%20powder" title=" fine aggregate powder"> fine aggregate powder</a>, <a href="https://publications.waset.org/abstracts/search?q=CO2%20emission" title=" CO2 emission"> CO2 emission</a>, <a href="https://publications.waset.org/abstracts/search?q=decarbonation%20reaction" title=" decarbonation reaction"> decarbonation reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=calcining%20process" title=" calcining process "> calcining process </a> </p> <a href="https://publications.waset.org/abstracts/17362/analysis-of-the-recovery-of-burnility-index-and-reduction-of-co2-for-cement-manufacturing-utilizing-waste-cementitious-powder-as-alternative-raw-material-of-limestone" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17362.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">490</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">3646</span> Characteristics of Different Volumes of Waste Cellular Concrete Powder-Cement Paste for Sustainable Construction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Abed">Mohammed Abed</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Nemes"> Rita Nemes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cellular concrete powder (CCP) is not used widely as supplementary cementitious material, but in the literature, its efficiency is proved when it used as a replacement of cement in concrete mixtures. In this study, different amounts of raw CCP (CCP as a waste material without any industrial modification) will be used to investigate the characteristics of cement pastes and the effects of CCP on the properties of the cement pastes. It is an attempt to produce green binder paste, which is useful for sustainable construction applications. The fresh and hardened properties of a number of CCP blended cement paste will be tested in different life periods, and the optimized CCP volume will be reported with more significant investigations on durability properties. Different replacing of mass percentage (low and high) of the cement mass will be conducted (0%, 10%, 15%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, and 90%). The consistency, flexural strength, and compressive strength will be the base indicator for the further properties' investigations. The CCP replacement until 50% have been tested until 7 days, and the initial results showed a linear relationship between strength and the percentage of the replacement; that is an optimistic indicator for further replacement percentages of waste CCP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellular%20concrete%20powder" title="cellular concrete powder">cellular concrete powder</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementitious%20material" title=" supplementary cementitious material"> supplementary cementitious material</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20construction" title=" sustainable construction"> sustainable construction</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20concrete" title=" green concrete"> green concrete</a> </p> <a href="https://publications.waset.org/abstracts/85329/characteristics-of-different-volumes-of-waste-cellular-concrete-powder-cement-paste-for-sustainable-construction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85329.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">325</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">3645</span> Durability Study of Binary Blended High Performance Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vatsal%20Patel">Vatsal Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=Niraj%20Shah"> Niraj Shah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the results of a laboratory study on the properties of binary blended High Performance cementitious systems containing blends of ordinary Portland cement (OPC), Porcelain Powder or Marble Powder blend proportions of 100:00, 95:05, 90:10, 85:15, 80:20 for OPC: Porcelain Powder/Marble Powder. Studies on the Engineering Properties of the cementitious concrete, namely compressive strength, flexural strength, sorptivity, rapid chloride penetration test and accelerated corrosion test have been performed and those of OPC concrete. The results show that the inclusion of Porcelain powder or Marble Powder as binary blended cement alters to a great degree the properties of the binder as well as the resulting concrete. In addition, the results show that the Porcelain powder with 85:15 proportions and Marble powder with 90:10 proportions as binary systems to produce high-performance concrete could potentially be used in the concrete construction industry particular in lowering down the volume of OPC used and lowering emission of CO2 produces during manufacturing of cement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=accelerated%20corrosion" title="accelerated corrosion">accelerated corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=binary%20blended%20cementitious%20system" title=" binary blended cementitious system"> binary blended cementitious system</a>, <a href="https://publications.waset.org/abstracts/search?q=rapid%20chloride%20penetration" title=" rapid chloride penetration"> rapid chloride penetration</a>, <a href="https://publications.waset.org/abstracts/search?q=sorptivity" title=" sorptivity"> sorptivity</a> </p> <a href="https://publications.waset.org/abstracts/21368/durability-study-of-binary-blended-high-performance-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21368.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">386</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">3644</span> Using Recycled Wastes (Glass Powder) as Partially Replacement for Cement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Passant%20Youssef">Passant Youssef</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20El-Tair"> Ahmed El-Tair</a>, <a href="https://publications.waset.org/abstracts/search?q=Amr%20El-Nemr"> Amr El-Nemr </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lately, with the environmental changes, enthusiasts trigger to stop the contamination of environment. Thus, various efforts were exerted for innovating environmental friendly concrete to sustain as a ‘Green Building’ material. Green building materials consider the cement industry as one of the most sources of air pollutant with high rate of carbon dioxide (CO₂) emissions. Several methods were developed to extensively reduce the influence of cement industry on environment. These methods such as using supplementary cementitious material or improving the cement manufacturing process are still under investigation. However, with the presence of recycled wastes from construction and finishing materials, the use of supplementary cementitious materials seems to provide an economic solution. Furthermore, it improves the mechanical properties of cement paste, in addition to; it modulates the workability and durability of concrete. In this paper, the glass powder was considered to be used as partial replacement of cement. This study provided the mechanical influence for using the glass powder as partial replacement of cement. In addition, it examines the microstructure of cement mortar using scanning electron microscope and X-ray diffraction. The cement in concrete is replaced by waste glass powder in steps of 5%, 10%, 15%, 20% and 25% by weight of cement and its effects on compressive and flexure strength were determined after 7 and 28 days. It was found that the 5% glass powder replacement increased the 7 days compressive strength by 20.5%, however, there was no increase in compressive strength after 28 days; which means that the glass powder did not react in the cement mortar due to its amorphous nature on the long run, and it can act as fine aggregate better that cement replacement. As well as, the 5% and 10% glass powder replacement increased the 28 days flexural strength by 46.9%. SEM micrographs showed very dense matrix for the optimum specimen compared to control specimen as well; some glass particles were clearly observed. High counts of silica were optimized from XRD while amorphous materials such as calcium silicate cannot be directly detected. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=supplementary%20materials" title="supplementary materials">supplementary materials</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20powder" title=" glass powder"> glass powder</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=cementitious%20materials" title=" cementitious materials"> cementitious materials</a> </p> <a href="https://publications.waset.org/abstracts/76780/using-recycled-wastes-glass-powder-as-partially-replacement-for-cement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76780.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">210</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">3643</span> A Study on Bonding Strength, Waterproofing and Flexibility of Environment Friendly, and Cost Effective Cementitious Grout Mixture for Tile Joints</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gowthamraj%20Vungarala">Gowthamraj Vungarala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the experimental investigation on the bond strength, waterproofing abilities and flexibility of tile joint when Ordinary Portland Cement (OPC) or White Portland Cement (WPC) CEM II A-LL 42.5N and porcelain powder graded between 200 microns and 75 microns is mixed with vinyl acetate monomer (VAM), hydroxypropyl methyl cellulose ether, ethylene co-polymer rubber powder and Styrene butyl rubber (SBR). Use of porcelain powder which is tough to decompose as a form of industrial refuse which helps environmental safety and waste usage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=styrene%20butane%20rubber" title="styrene butane rubber">styrene butane rubber</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroxypropyl%20methyl%20cellulose%20ether" title=" hydroxypropyl methyl cellulose ether"> hydroxypropyl methyl cellulose ether</a>, <a href="https://publications.waset.org/abstracts/search?q=vinyl%20acetate%20monomer" title=" vinyl acetate monomer"> vinyl acetate monomer</a>, <a href="https://publications.waset.org/abstracts/search?q=polymer%20modified%20cement" title=" polymer modified cement"> polymer modified cement</a>, <a href="https://publications.waset.org/abstracts/search?q=polyethylene" title=" polyethylene"> polyethylene</a>, <a href="https://publications.waset.org/abstracts/search?q=porcelain%20powder" title=" porcelain powder"> porcelain powder</a> </p> <a href="https://publications.waset.org/abstracts/154204/a-study-on-bonding-strength-waterproofing-and-flexibility-of-environment-friendly-and-cost-effective-cementitious-grout-mixture-for-tile-joints" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/154204.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">95</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">3642</span> Experimental Study of Mechanical and Durability Properties of HPC Made with Binary Blends of Cement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vatsal%20Patel">Vatsal Patel</a>, <a href="https://publications.waset.org/abstracts/search?q=Niraj%20Shah"> Niraj Shah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the research reported in this paper is to assess the Strength and durability performance of High Performance Concrete containing different percentages of waste marble powder produced from marble industry. Concrete mixes possessing a target mean compressive strength of 70MPa were prepared with 0%,5%,10%,15% and 20% cement replacement by waste marble powder with W/B =0.33. More specifically, the compressive strength, flexural strength, chloride penetration, sorptivity and accelerated corrosion were determined. Concrete containing 10% waste marble powder proved to have best Mechanical and durability properties than other mixtures made with binary blends. However, poorer performance was noticeable when replacement percentage was higher. The replacement of Waste Marble Powder will have major environmental benefits. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=durability" title="durability">durability</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20performance%20concrete" title=" high performance concrete"> high performance concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=marble%20waste%20powder" title=" marble waste powder"> marble waste powder</a>, <a href="https://publications.waset.org/abstracts/search?q=sorptivity" title=" sorptivity"> sorptivity</a>, <a href="https://publications.waset.org/abstracts/search?q=accelerated%20corrosion" title=" accelerated corrosion"> accelerated corrosion</a> </p> <a href="https://publications.waset.org/abstracts/33418/experimental-study-of-mechanical-and-durability-properties-of-hpc-made-with-binary-blends-of-cement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33418.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">345</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">3641</span> Experimental Study on Strength Development of Low Cement Concrete Using Mix Design for Both Binary and Ternary Mixes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mulubrhan%20Berihu">Mulubrhan Berihu</a>, <a href="https://publications.waset.org/abstracts/search?q=Supratic%20Gupta"> Supratic Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Zena%20Gebriel"> Zena Gebriel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the design versatility, availability, and cost efficiency, concrete is continuing to be the most used construction material on earth. However, the production of Portland cement, the primary component of concrete mix is causing to have a serious effect on environmental and economic impacts. This shows there is a need to study using of supplementary cementitious materials (SCMs). The most commonly used supplementary cementitious materials are wastes and the use of these industrial waste products has technical, economical and environmental benefits besides the reduction of CO2 emission from cement production. The study aims to document the effect on strength property of concrete due to use of low cement by maximizing supplementary cementitious materials like fly ash or marble powder. Based on the different mix proportion of pozzolana and marble powder a range of mix design was formulated. The first part of the project is to study the strength of low cement concrete using fly ash replacement experimentally. The test results showed that using up to 85 kg/m3 of cement is possible for plain concrete works like hollow block concrete to achieve 9.8 Mpa and the experimental results indicates that strength is a function of w/b. In the second part a new set of mix design has been carried out with fly ash and marble powder to study the strength of both binary and ternary mixes. In this experimental study, three groups of mix design (c+FA, c+FA+m and c+m), four sets of mixes for each group were taken up. Experimental results show that c+FA has maintained the best strength and impermeability whereas c+m obtained less compressive strength, poorer permeability and split tensile strength. c+FA shows a big difference in gaining of compressive strength from 7 days to 28 days compression strength compared to others and this obviously shows the slow rate of hydration of fly ash concrete. As the w/b ratio increases the strength decreases significantly. At the same time higher permeability has been seen in the specimens which were tested for three hours than one hour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficiency%20factor" title="efficiency factor">efficiency factor</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20content" title=" cement content"> cement content</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=mix%20proportion" title=" mix proportion"> mix proportion</a>, <a href="https://publications.waset.org/abstracts/search?q=w%2Fc%20ratio" title=" w/c ratio"> w/c ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20permeability" title=" water permeability"> water permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=SCMs" title=" SCMs"> SCMs</a> </p> <a href="https://publications.waset.org/abstracts/138160/experimental-study-on-strength-development-of-low-cement-concrete-using-mix-design-for-both-binary-and-ternary-mixes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138160.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">209</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">3640</span> Investigation on Strength Properties of Concrete Using Industrial Waste as Supplementary Cementitious Material</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ravi%20Prasad%20Darapureddi">Ravi Prasad Darapureddi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of industrial waste in making concrete reduce the consumption of natural resources and pollution of the environment. These materials possess problems of disposal and health hazards. An attempt has been made to use paper and thermal industrial wastes such as lime sludge and flyash. Present investigation is aimed at the utilization of Lime Sludge and Flyash as Supplementary Cementitious Materials (SCM) and influence of these materials on strength properties of concrete. Thermal industry waste fly ash is mixed with lime sludge and used as a replacement to cement at different proportions to obtain the strength properties and compared with ordinary concrete prepared without any additives. Grade of concrete prepared was M₂₅ designed according to Indian standard method. Cement has been replaced by paper industry waste and fly ash in different proportions such as 0% (normal concrete), 10%, 20%, and 30% by weight. Mechanical properties such as compressive strength, splitting tensile strength and flexural strength were assessed. Test results indicated that the use of lime sludge and Fly ash in concrete had improved the properties of concrete. Better results were observed at 20% replacement of cement with these additives. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementitious%20materials" title="supplementary cementitious materials">supplementary cementitious materials</a>, <a href="https://publications.waset.org/abstracts/search?q=lime%20sludge" title=" lime sludge"> lime sludge</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=strength%20properties" title=" strength properties"> strength properties</a> </p> <a href="https://publications.waset.org/abstracts/78196/investigation-on-strength-properties-of-concrete-using-industrial-waste-as-supplementary-cementitious-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78196.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">196</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">3639</span> Effect on Surface Temperature Reduction of Asphalt Pavements with Cement–Based Materials Containing Ceramic Waste Powder</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.%20Sano"> M. Sano</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Nakanishi"> F. Nakanishi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sugiyama"> M. Sugiyama</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20Takahashi"> O. Takahashi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Tsukuma"> S. Tsukuma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The heat island phenomenon becomes one of the environmental problems. As countermeasures in the field of road engineering, cool pavements such as water retaining pavements and solar radiation reflective pavements have been developed to reduce the surface temperature of asphalt pavements in the hot summer climate in Japan. The authors have studied on the water retaining pavements with cement&ndash;based grouting materials. The cement&ndash;based grouting materials consist of cement, ceramic waste powder, and natural zeolite. The ceramic waste powder is collected through the recycling process of electric porcelain insulators. In this study, mixing ratio between the ceramic waste powder and the natural zeolite and a type of cement for the cement&ndash;based grouting materials is investigated to measure the surface temperature of asphalt pavements in the outdoor. All of the developed cement&ndash;based grouting materials were confirmed to effectively reduce the surface temperature of the asphalt pavements. Especially, the cement&ndash;based grouting material using the ultra&ndash;rapid hardening cement with the mixing ratio of 0.7:0.3 between the ceramic waste powder and the natural zeolite reduced mostly the surface temperature by 20 &deg;C and more. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ceramic%20waste%20powder" title="ceramic waste powder">ceramic waste powder</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20zeolite" title=" natural zeolite"> natural zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=road%20surface%20temperature" title=" road surface temperature"> road surface temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20retaining%20pavements" title=" water retaining pavements"> water retaining pavements</a> </p> <a href="https://publications.waset.org/abstracts/45874/effect-on-surface-temperature-reduction-of-asphalt-pavements-with-cement-based-materials-containing-ceramic-waste-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45874.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">415</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">3638</span> The Influence of Incorporating in the Concrete of Recycled Waste from Shredding Used Tires and Crushed Glass on Their Characteristics and Behavior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samiha%20Ramdani">Samiha Ramdani</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelhamid%20Geuttala"> Abdelhamid Geuttala</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There is no doubt that the batteries increasingly used tires create environmental concerns. Algeria generates large amounts of by industrial and household waste, such as used tires and colored glass bottles and dishes, whose valuation in cementitious materials could be an interesting ecological and economical alternative for broadening eliminating cumbersome landfills. This work is a contribution to the promotion of local materials with the use of waste tires and glass bottle in the development of a new cementitious composite having the acceptable compressive strength and a capacity of improved strains. For this purpose, rubber crumb (GC) from shredding used tires were used as partial replacement of quarry sand with 10%, 20%, 40, 60%. In addition, some mixtures also contain glass powder at15% cement replacement by volume. The compressive strength, tensile strength, deformability, the water permeability and penetration Inions chlorides are studied. As results; an acceptable compressive strength was obtained with the substitution rate of 10% and 20% by volume, the deformability of the composite increases with increased replacement rate. The addition of finely ground glass as a partial replacement of cement concrete increases the resistance to penetration of Inions chloride and reduce the water permeability thereof; then increases their durability. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crumb%20rubber" title="crumb rubber">crumb rubber</a>, <a href="https://publications.waset.org/abstracts/search?q=deformability" title=" deformability"> deformability</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=finely%20ground%20glass" title=" finely ground glass"> finely ground glass</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</a>, <a href="https://publications.waset.org/abstracts/search?q=behavior%20law" title=" behavior law"> behavior law</a> </p> <a href="https://publications.waset.org/abstracts/34272/the-influence-of-incorporating-in-the-concrete-of-recycled-waste-from-shredding-used-tires-and-crushed-glass-on-their-characteristics-and-behavior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34272.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">321</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">3637</span> Experimental Investigation of Recycling Cementitious Materials in Low Strength Range for Sustainability and Affordability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mulubrhan%20Berihu">Mulubrhan Berihu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the design versatility, availability, and cost efficiency, concrete continues to be the most used construction material on earth. However, the production of Portland cement, the primary component of concrete mix is causing to have a serious effect on environmental and economic impacts. This shows there is a need to study using of supplementary cementitious materials (SCMs). The most commonly used supplementary cementitious materials are wastes, and the use of these industrial waste products has technical, economic, and environmental benefits besides the reduction of CO2 emission from cement production. This paper aims to document the effect on the strength property of concrete due to the use of low cement by maximizing supplementary cementitious materials like fly ash. The amount of cement content was below 250 kg/m3, and in all the mixes, the quantity of powder (cement + fly ash) is almost kept at about 500 kg. According to this, seven different cement content (250 kg/m3, 195 kg/m3, 150 kg/m3, 125 kg/m3, 100 kg/m3, 85 kg/m3, 70 kg/m3) with different amount of replacement of SCMs was conducted. The mix proportion was prepared by keeping the water content constant and varying the cement content, SCMs, and water-to-binder ratio. Based on the different mix proportions of fly ash, a range of mix designs was formulated. The test results showed that using up to 85 kg/m3 of cement is possible for plain concrete works like hollow block concrete to achieve 9.8 Mpa, and the experimental results indicate that strength is a function of w/b. The experiment result shows a big difference in gaining of compressive strength from 7 days to 28 days and this obviously shows the slow rate of hydration of fly ash concrete. As the w/b ratio increases, the strength decreases significantly. At the same time, higher permeability was seen in the specimens which were tested for three hours than one hour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficiency%20factor" title="efficiency factor">efficiency factor</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20content" title=" cement content"> cement content</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=mix%20proportion" title=" mix proportion"> mix proportion</a>, <a href="https://publications.waset.org/abstracts/search?q=w%2Fc%20ratio" title=" w/c ratio"> w/c ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20permeability" title=" water permeability"> water permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=SCMs" title=" SCMs"> SCMs</a> </p> <a href="https://publications.waset.org/abstracts/185234/experimental-investigation-of-recycling-cementitious-materials-in-low-strength-range-for-sustainability-and-affordability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185234.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">43</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">3636</span> Effect of Pulverised Burnt Clay Waste Fineness on the Compressive Strength of Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emmanuel%20Onaivi%20Ajayi">Emmanuel Onaivi Ajayi</a>, <a href="https://publications.waset.org/abstracts/search?q=Adewumi%20John%20Babafemi"> Adewumi John Babafemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of supplementary cementitious materials as partial replacement for cement is steadily increasing in the construction industry. Concrete produced with these materials has shown significant improvement in durability compared to conventional concrete. However, blended cement concretes produced using these supplementary materials typically gain compressive strength at later ages beyond the 28-day, and this does not favour its use when early age strength is required. Improving the fineness of the supplementary materials could be a way to improving the strength performance of its blended cement concrete. In this paper, the effect of pulverised burnt clay waste fineness on the compressive strength of concrete has been investigated. Two different fineness of pulverised burnt clay waste classified as coarse and fine portions were obtained by sieving the original pulverised burnt clay waste portion through sieve sizes No. 100 (150 µm) and No. 200 (75 µm), respectively. Pulverised burnt clay waste dosages of 0% (control), 10% and 20% by weight of binder were used in producing the concrete mixtures. It is found that the compressive strength of the concrete depends on the fineness and proportion of pulverised burnt clay waste. The result shows improvement in compressive strength at all curing ages with the fine portion pulverised burnt clay waste having the highest strength and improved early age compressive strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pulverized%20burnt%20clay%20waste" title="pulverized burnt clay waste">pulverized burnt clay waste</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementitious%20materials" title=" supplementary cementitious materials"> supplementary cementitious materials</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=pozzolans" title=" pozzolans"> pozzolans</a>, <a href="https://publications.waset.org/abstracts/search?q=fineness" title=" fineness"> fineness</a> </p> <a href="https://publications.waset.org/abstracts/74375/effect-of-pulverised-burnt-clay-waste-fineness-on-the-compressive-strength-of-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74375.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">3635</span> Characteristics of Cement Pastes Incorporating Different Amounts of Waste Cellular Concrete Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Abed">Mohammed Abed</a>, <a href="https://publications.waset.org/abstracts/search?q=Rita%20Nemes"> Rita Nemes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study different amounts of waste cellular concrete powder (WCCP) as replacement of cement have been investigated as an attempt to produce green binder, which is useful for sustainable construction applications. From zero to up to 60% of WCCP by mass replacement amounts of cement has been conducted. Consistency, compressive strength, bending strength and the activity index of WCCP through seven to ninety days old specimens have been examined, where the optimum WCCP replacement was up to 30%, depending on which the activity index still increased to the end of test period (90 days) and this could be an evidence for its continuity to increase for longer age. Also up to 30% of WCCP increased the bending strength to be higher than the control one. The main point in the present study that there is a possibility of replacing cement by 30% of WCCP, however, it is preferable to be less than this amount. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cellular%20concrete%20powder" title="cellular concrete powder">cellular concrete powder</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20cellular%20concrete%20powder%20%28WCCP%29" title=" waste cellular concrete powder (WCCP)"> waste cellular concrete powder (WCCP)</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementatious%20material" title=" supplementary cementatious material"> supplementary cementatious material</a>, <a href="https://publications.waset.org/abstracts/search?q=SCM" title=" SCM"> SCM</a>, <a href="https://publications.waset.org/abstracts/search?q=activity%20index" title=" activity index"> activity index</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a> </p> <a href="https://publications.waset.org/abstracts/94806/characteristics-of-cement-pastes-incorporating-different-amounts-of-waste-cellular-concrete-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94806.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">219</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">3634</span> Polymer Modification of Fine Grained Concretes Used in Textile Reinforced Cementitious Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Esma%20Gizem%20Daskiran">Esma Gizem Daskiran</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Mustafa%20Daskiran"> Mehmet Mustafa Daskiran</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Gencoglu"> Mustafa Gencoglu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Textile reinforced cementitious composite (TRCC) is a development of a composite material where textile and fine-grained concrete (matrix) materials are used in combination. These matrices offer high performance properties in many aspects. To achieve high performance, polymer modified fine-grained concretes were used as matrix material which have high flexural strength. In this study, ten latex polymers and ten powder polymers were added to fine-grained concrete mixtures. These latex and powder polymers were added to the mixtures at different rates related to binder weight. Mechanical properties such as compressive and flexural strength were studied. Results showed that latex polymer and redispersible polymer modified fine-grained concretes showed different mechanical performance. A wide range of both latex and redispersible powder polymers were studied. As the addition rate increased compressive strength decreased for all mixtures. Flexural strength increased as the addition rate increased but significant enhancement was not observed through all mixtures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=textile%20reinforced%20composite" title="textile reinforced composite">textile reinforced composite</a>, <a href="https://publications.waset.org/abstracts/search?q=cement" title=" cement"> cement</a>, <a href="https://publications.waset.org/abstracts/search?q=fine%20grained%20concrete" title=" fine grained concrete"> fine grained concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=latex" title=" latex"> latex</a>, <a href="https://publications.waset.org/abstracts/search?q=redispersible%20powder" title=" redispersible powder"> redispersible powder</a> </p> <a href="https://publications.waset.org/abstracts/80870/polymer-modification-of-fine-grained-concretes-used-in-textile-reinforced-cementitious-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80870.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">256</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">3633</span> Strength Properties of Concrete Paving Blocks with Fly Ash and Glass Powder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Santhosh">Joel Santhosh</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Bhavani%20Shankar%20Rao"> N. Bhavani Shankar Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Problems associated with construction site have been known for many years. Construction industry has to support a world of continuing population growth and economic development. The rising costs of construction materials and the need to adhere to sustainability, alternative construction techniques and materials are being sought. To increase the applications of concrete paving blocks, greater understanding of products produced with locally available materials and indigenously produced mineral admixtures is essential. In the present investigation, concrete paving blocks may be produced with locally available aggregates, cement, fly ash and waste glass powder as the mineral admixture. The ultimate aim of this work is to ascertain the performance of concrete paving blocks containing fly ash and glass powder and compare it with the performance of conventional concrete paving blocks. Mix design is carried out to form M40 grade of concrete by using IS: 10262: 2009 and specification given by IRC: SP: 63: 2004. The paving blocks are tested in accordance to IS: 15658: 2006. It showed that the partial replacement of cement by fly ash and waste glass powder satisfies the minimum requirement as specified by the Indian standard IS: 15658: 2006 for concrete paving blocks to be used in non traffic, light traffic and medium-heavy traffic areas. The study indicated that fly ash and waste glass powder can effectively be used as cement replacement without substantial change in strength. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=paving%20block" title="paving block">paving block</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=glass%20powder" title=" glass powder"> glass powder</a>, <a href="https://publications.waset.org/abstracts/search?q=strength" title=" strength"> strength</a>, <a href="https://publications.waset.org/abstracts/search?q=abrasion%20resistance" title=" abrasion resistance"> abrasion resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</a> </p> <a href="https://publications.waset.org/abstracts/17008/strength-properties-of-concrete-paving-blocks-with-fly-ash-and-glass-powder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17008.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">299</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">3632</span> Strength Properties of Cement Mortar with Dark Glass Waste Powder as a Partial Sand Replacement</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ng%20Wei%20Yan">Ng Wei Yan</a>, <a href="https://publications.waset.org/abstracts/search?q=Lim%20Jee%20Hock"> Lim Jee Hock</a>, <a href="https://publications.waset.org/abstracts/search?q=Lee%20Foo%20Wei"> Lee Foo Wei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mo%20Kim%20Hung"> Mo Kim Hung</a>, <a href="https://publications.waset.org/abstracts/search?q=Yip%20Chun%20Chieh"> Yip Chun Chieh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The burgeoning accumulation of glass waste in Malaysia, particularly from the food and beverage industry, has become a prominent environmental concern, with disposal sites reaching saturation. This study introduces a distinct approach to addressing the twin challenges of landfill scarcity and natural resource conservation by repurposing discarded glass bottle waste into a viable construction material. The research presents a comprehensive evaluation of the strength characteristics of cement mortar when dark glass waste powder is used as a partial sand replacement. The experimental investigation probes the density, flow spread diameter, and key strength parameters—including compressive, splitting tensile, and flexural strengths—of the modified cement mortar. Remarkably, results indicate that a full replacement of sand with glass waste powder significantly improves the material's strength attributes. A specific mixture with a cement/sand/water ratio of 1:5:1.24 was found to be optimal, yielding an impressive compressive strength of 7 MPa at the 28-day mark, accompanied by a favourable 200 mm spread diameter in flow table tests. The findings of this study underscore the dual benefits of utilizing glass waste powder in cement mortar: mitigating Malaysia's glass waste dilemma and enhancing the performance of construction materials such as bricks and concrete products. Consequently, the research validates the premise that increasing the incorporation of glass waste as a sand substitute promotes not only environmental sustainability but also material innovation in the construction industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=glass%20waste" title="glass waste">glass waste</a>, <a href="https://publications.waset.org/abstracts/search?q=strength%20properties" title=" strength properties"> strength properties</a>, <a href="https://publications.waset.org/abstracts/search?q=cement%20mortar" title=" cement mortar"> cement mortar</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20friendly" title=" environmental friendly"> environmental friendly</a> </p> <a href="https://publications.waset.org/abstracts/183247/strength-properties-of-cement-mortar-with-dark-glass-waste-powder-as-a-partial-sand-replacement" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183247.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">62</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">3631</span> Production of Biodiesel from Avocado Waste in Hossana City, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tarikayehu%20Amanuel">Tarikayehu Amanuel</a>, <a href="https://publications.waset.org/abstracts/search?q=Abraham%20Mohammed"> Abraham Mohammed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The production of biodiesel from waste materials is becoming an increasingly important research area in the field of renewable energy. One potential waste material source is avocado, a fruit with a large seed and peel that are typically discarded after consumption. This research aims to investigate the feasibility of using avocado waste as a feedstock for the production of biodiesel. The study focuses on extracting oil from the waste material using the transesterification technique and then characterizing the properties of oil to determine its suitability for conversion to biodiesel. The study was conducted experimentally, and a maximum oil yield of 11.583% (150g of oil produced from 1.295kg of avocado waste powder) was obtained from avocado waste powder at an extraction time of 4hr. An 87% fatty acid methyl ester (biodiesel) conversion was also obtained using a methanol/oil ratio of 6:1, 1.3g NaOH, reaction time 60min, and 65°C reaction temperature. Furthermore, from 145 ml of avocado waste oil, 126.15 ml of biodiesel was produced, indicating a high percentage of conversion (87%). Conclusively, the produced biodiesel showed comparable physical and chemical characteristics to that of standard biodiesel samples considered for the study. The results of this research could help to identify a new source of biofuel production while also addressing the issue of waste disposal in the food industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=avocado" title=" avocado"> avocado</a>, <a href="https://publications.waset.org/abstracts/search?q=transesterification" title=" transesterification"> transesterification</a>, <a href="https://publications.waset.org/abstracts/search?q=soxhlet%20extraction" title=" soxhlet extraction"> soxhlet extraction</a> </p> <a href="https://publications.waset.org/abstracts/174232/production-of-biodiesel-from-avocado-waste-in-hossana-city-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/174232.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">70</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">3630</span> Carbon Nanotubes Based Porous Framework for Filtration Applications Using Industrial Grinding Waste </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20J.%20Pillewan">V. J. Pillewan</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20N.%20Raut"> D. N. Raut</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20N.%20Patil"> K. N. Patil</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20K.%20Shinde"> D. K. Shinde </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Forging, milling, turning, grinding and shaping etc. are the various industrial manufacturing processes which generate the metal waste. Grinding is extensively used in the finishing operation. The waste generated contains significant impurities apart from the metal particles. Due to these significant impurities, it becomes difficult to process and gets usually dumped in the landfills which create environmental problems. Therefore, it becomes essential to reuse metal waste to create value added products. Powder injection molding process is used for producing the porous metal matrix framework. This paper discusses the presented design of the porous framework to be used for the liquid filter application. Different parameters are optimized to obtain the better strength framework with variable porosity. Carbon nanotubes are used as reinforcing materials to enhance the strength of the metal matrix framework. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grinding%20waste" title="grinding waste">grinding waste</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20injection%20molding%20%28PIM%29" title=" powder injection molding (PIM)"> powder injection molding (PIM)</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotubes%20%28CNTs%29" title=" carbon nanotubes (CNTs)"> carbon nanotubes (CNTs)</a>, <a href="https://publications.waset.org/abstracts/search?q=matrix%20composites%20%28MMCs%29" title=" matrix composites (MMCs)"> matrix composites (MMCs)</a> </p> <a href="https://publications.waset.org/abstracts/64194/carbon-nanotubes-based-porous-framework-for-filtration-applications-using-industrial-grinding-waste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64194.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">307</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">3629</span> Utilization of Pozzolonic Material for the Enhancement of the Concrete Strength: A Comprehensive Review Paper</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Parvez%20Alam">M. Parvez Alam</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Bilal%20Khan"> M. Bilal Khan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concrete is the material of choice where strength, performance, durability, impermeability, fire resistance, and abrasion resistance are required. The hunger for the higher strength leads to other materials to achieve the desired results and thus, emerged the contribution of cementitious material for the strength of concrete In present day constructions, concrete is chosen as one of the best choices by civil engineers in construction materials. The concept of sustainability is touching new heights and many pozzolonic materials are tried and tested as partial replacement for the cement. In this paper, comprehensive review of available literatures are studied to evaluate the performance of pozzolonic materials such as ceramic waste powder, copper slag, silica fume on the strength of concrete by the partial replacement of ordinary materials such as cement, fine aggregate and coarse aggregate at different percentage of composition. From the study, we conclude that ceramic wastes are suitable to be used in the construction industry, and more significantly on the making of concrete. Ceramic wastes are found to be suitable for usage as substitution for fine and coarse aggregates and partial substitution in cement production. They were found to be performing better than normal concrete, in properties such as density, durability, permeability, and compressive strength. Copper slag is the waste material of matte smelting and refining of copper such that each ton of copper generates approximately 2.5 tons of copper slag. Copper slag is one of the materials that is considered as a waste which could have a promising future in construction Industry as partial or full substitute of aggregates. Silica fume, also known as micro silica or condensed silica fume, is a relatively new material compared to fly ash, It is another material that is used as an artificial pozzolonic admixture. High strength concrete made with silica fume provides high abrasion/corrosion resistance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concrete" title="concrete">concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=pozzolonic%20materials" title=" pozzolonic materials"> pozzolonic materials</a>, <a href="https://publications.waset.org/abstracts/search?q=ceramic%20waste%20powder" title=" ceramic waste powder"> ceramic waste powder</a>, <a href="https://publications.waset.org/abstracts/search?q=copper%20slag" title=" copper slag"> copper slag</a> </p> <a href="https://publications.waset.org/abstracts/30320/utilization-of-pozzolonic-material-for-the-enhancement-of-the-concrete-strength-a-comprehensive-review-paper" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30320.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">316</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">3628</span> Physicochemical and Sensorial Evaluation of Astringency Reduction in Cashew Apple (Annacardium occidentale L.) Powder Processing in Cookie Elaboration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elida%20Gastelum-Martinez">Elida Gastelum-Martinez</a>, <a href="https://publications.waset.org/abstracts/search?q=Neith%20A.%20Pacheco-Lopez"> Neith A. Pacheco-Lopez</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20L.%20Morales-Landa"> Juan L. Morales-Landa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cashew agroindustry obtained from cashew apple crop (Anacardium occidentale L.) generates large amounts of unused waste in Campeche, Mexico. Despite having a high content of nutritional compounds such as ascorbic acid, carotenoids, fiber, carbohydrates, and minerals, it is not consumed due to its astringent sensation. The aim of this work was to develop a processing method for cashew apple waste in order to obtain a powder with reduced astringency able to be used as an additive in the food industry. The processing method consisted first in reducing astringency by inducing tannins from cashew apple peel to react and form precipitating complexes with a colloid rich in proline and histidine. Then cashew apples were processed to obtain a dry powder. Astringency reduction was determined by total phenolic content and evaluated by sensorial analysis in cashew-apple-powder based cookies. Total phenolic content in processed powders showed up to 72% lower concentration compared to control samples. The sensorial evaluation indicated that cookies baked using cashew apple powder with reduced astringency were 96.8% preferred. Sensorial characteristics like texture, color and taste were also well-accepted attributes. In conclusion, the method applied for astringency reduction is a viable tool to produce cashew apple powder with desirable sensorial properties to be used in the development of food products. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=astringency%20reduction" title="astringency reduction">astringency reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=cashew%20apple%20waste" title=" cashew apple waste"> cashew apple waste</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20industry" title=" food industry"> food industry</a>, <a href="https://publications.waset.org/abstracts/search?q=sensorial%20evaluation" title=" sensorial evaluation"> sensorial evaluation</a> </p> <a href="https://publications.waset.org/abstracts/56448/physicochemical-and-sensorial-evaluation-of-astringency-reduction-in-cashew-apple-annacardium-occidentale-l-powder-processing-in-cookie-elaboration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56448.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">351</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">3627</span> The Effect of Supplementary Cementitious Materials on Fresh and Hardened Properties of Self-Compacting Concretes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Akram%20Salah%20Eddine%20Belaidi">Akram Salah Eddine Belaidi</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Kenai"> Said Kenai</a>, <a href="https://publications.waset.org/abstracts/search?q=El-Hadj%20Kadri"> El-Hadj Kadri</a>, <a href="https://publications.waset.org/abstracts/search?q=Bencha%C3%A2%20Benabed"> Benchaâ Benabed</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamza%20Soualhi"> Hamza Soualhi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Self-compacting concrete (SCC) was developed in the middle of the 1980’s in Japan. SCC flows alone under its dead weight and consolidates itself without any entry of additional compaction energy and without segregation. As an integral part of a SCC, self-compacting mortars (SCM) may serve as a basis for the mix design of concrete since the measurement of the rheological properties of SCCs. This paper discusses the effect of using natural pozzolana (PZ) and marble powder (MP) in two alternative systems ratios PZ/MP = 1 and 1/3 of the performance of the SCC. A total of 11 SCC’s were prepared having a constant water-binder (w/b) ratio of 0.40 and total cementitious materials content of 475 kg/m3. Then, the fresh properties of the mortars were tested for mini-slump flow diameter and mini-V-funnel flow time for SCMs and Slumps flow test, L-Box height ratio, V-Funnel flow time and sieve stability for SCC. Moreover, the development in the compressive strength was determined at 3, 7, 28, 56, and 90 days. Test results have shown that using of ternary blends improved the fresh properties of the mixtures. The compressive strength of SCC at 90 days with 30% of PZ and MP was similar to those of ordinary concrete use in situ. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self-compacting%20mortar" title="self-compacting mortar">self-compacting mortar</a>, <a href="https://publications.waset.org/abstracts/search?q=self-compacting%20concrete" title=" self-compacting concrete"> self-compacting concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20pozzolana" title=" natural pozzolana"> natural pozzolana</a>, <a href="https://publications.waset.org/abstracts/search?q=marble%20powder" title=" marble powder"> marble powder</a>, <a href="https://publications.waset.org/abstracts/search?q=rheology" title=" rheology"> rheology</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/14200/the-effect-of-supplementary-cementitious-materials-on-fresh-and-hardened-properties-of-self-compacting-concretes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14200.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">375</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">3626</span> Re-Use of Waste Marble in Producing Green Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hasan%20%C5%9Eahan%20Arel">Hasan Şahan Arel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, literature related to the replacement of cement with waste marble and the use of waste marble as an aggregate in concrete production was examined. Workability of the concrete decreased when marble powder was used as a substitute for fine aggregate. Marble powder contributed to the compressive strength of concrete because of the CaCO<sub>3</sub> and SiO<sub>2</sub> present in the chemical structure of the marble. Additionally, the use of marble pieces in place of coarse aggregate revealed that this contributed to the workability and mechanical properties of the concrete. When natural standard sand was replaced with marble dust at a ratio of 15% and 75%, the compressive strength and splitting tensile strength of the concrete increased by 20%-26% and 10%-15%, respectively. However, coarse marble aggregates exhibited the best performance at a 100% replacement ratio. Additionally, there was a greater improvement in the mechanical properties of concrete when waste marble was used in a coarse aggregate form when compared to that of when marble was used in a dust form. If the cement was replaced with marble powder in proportions of 20% or more, then adverse effects were observed on the compressive strength and workability of the concrete. This study indicated that marble dust at a cement-replacement ratio of 5%-10% affected the mechanical properties of concrete by decreasing the global annual CO<sub>2</sub> emissions by 12% and also lowering the costs from US$40/m<sup>3</sup> to US$33/m<sup>3</sup>. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cement%20production" title="cement production">cement production</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=CO2%20emission" title=" CO2 emission"> CO2 emission</a>, <a href="https://publications.waset.org/abstracts/search?q=marble" title=" marble"> marble</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a> </p> <a href="https://publications.waset.org/abstracts/54230/re-use-of-waste-marble-in-producing-green-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54230.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">316</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">3625</span> Application of Biomass Ashes as Supplementary Cementitious Materials in the Cement Mortar Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20%C5%A0upi%C4%87">S. Šupić</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Male%C5%A1ev"> M. Malešev</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Radonjanin"> V. Radonjanin</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Radeka"> M. Radeka</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Laban"> M. Laban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The production of low cost and environmentally friendly products represents an important step for developing countries. Biomass is one of the largest renewable energy sources, and Serbia is among the top European countries in terms of the amount of available and unused biomass. Substituting cement with the ashes obtained by the combustion of biomass would reduce the negative impact of concrete industry on the environment and would provide a waste valorization by the reuse of this type of by-product in mortars and concretes manufacture. The study contains data on physical properties, chemical characteristics and pozzolanic properties of obtained biomass ashes: wheat straw ash and mixture of wheat and soya straw ash in Serbia, which were, later, used as supplementary cementitious materials in preparation of mortars. Experimental research of influence of biomass ashes on physical and mechanical properties of cement mortars was conducted. The results indicate that the biomass ashes can be successfully used in mortars as substitutes of cement without compromising their physical and mechanical performances. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomass" title="biomass">biomass</a>, <a href="https://publications.waset.org/abstracts/search?q=ash" title=" ash"> ash</a>, <a href="https://publications.waset.org/abstracts/search?q=cementitious%20material" title=" cementitious material"> cementitious material</a>, <a href="https://publications.waset.org/abstracts/search?q=mortar" title=" mortar"> mortar</a> </p> <a href="https://publications.waset.org/abstracts/83379/application-of-biomass-ashes-as-supplementary-cementitious-materials-in-the-cement-mortar-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83379.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">184</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">3624</span> Microanalysis of a New Cementitious System Containing High Calcium Fly Ash and Waste Material by Scanning Electron Microscopy (SEM)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anmar%20Dulaimi">Anmar Dulaimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Al%20Nageim"> Hassan Al Nageim</a>, <a href="https://publications.waset.org/abstracts/search?q=Felicite%20Ruddock"> Felicite Ruddock</a>, <a href="https://publications.waset.org/abstracts/search?q=Linda%20Seton"> Linda Seton</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fast-curing cold bituminous emulsion mixture (CBEM) including active filler from high calcium fly ash (HCFA) and waste material (LJMU-A2) has been developed in this study. This will overcome the difficulties related with the use of hot mix asphalt such as greenhouse gases emissions and problems in keeping the temperature when transporting long distance. The aim of this study is to employ petrographic examinations using scanning electron microscopy (SEM) for characterizing the hydrates microstructure, in a new binary blended cement filler (BBCF) system. The new BBCF has been used as a replacement to traditional mineral filler in cold bituminous emulsion mixtures (CBEMs), comprises supplementary cementitious materials containing high calcium fly ash (HCFA) and a waste material (LJMU-A2). SEM analysis demonstrated the formation of hydrates after varying curing ages within the BBCF. The accelerated activation of HCFA by LJMU-A2 within the BBCF was revealed and as a consequence early and later stiffness was developed in novel CBEM. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cold%20bituminous%20emulsion%20mixtures" title="cold bituminous emulsion mixtures">cold bituminous emulsion mixtures</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20tensile%20stiffness%20modulus" title=" indirect tensile stiffness modulus"> indirect tensile stiffness modulus</a>, <a href="https://publications.waset.org/abstracts/search?q=scanning%20electron%20microscopy%20%28SEM%29" title=" scanning electron microscopy (SEM)"> scanning electron microscopy (SEM)</a>, <a href="https://publications.waset.org/abstracts/search?q=and%20high%20calcium%20fly%20ash" title=" and high calcium fly ash"> and high calcium fly ash</a> </p> <a href="https://publications.waset.org/abstracts/40367/microanalysis-of-a-new-cementitious-system-containing-high-calcium-fly-ash-and-waste-material-by-scanning-electron-microscopy-sem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40367.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">276</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">3623</span> An Investigation of Foam Glass Production from Sheet Glass Waste and SiC Foaming Agent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aylin%20Sahin">Aylin Sahin</a>, <a href="https://publications.waset.org/abstracts/search?q=Recep%20Artir"> Recep Artir</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20Kara"> Mustafa Kara</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Foam glass is a remarkable material with having incomparable properties like low weight, rigidity, high thermal insulation capacity and porous structure. In this study, foam glass production was investigated with using glass powder from sheet glass waste and SiC powder as foaming agent. Effects of SiC powders and sintering temperatures on foaming process were examined. It was seen that volume expansions (%), cellular structures and pore diameters of obtained foam glass samples were highly depending on composition ratios and sintering temperature. The study showed that various foam glass samples having with homogenous closed porosity, low weight and low thermal conductivity were achieved by optimizing composition ratios and sintering temperatures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=foam%20glass" title="foam glass">foam glass</a>, <a href="https://publications.waset.org/abstracts/search?q=foaming" title=" foaming"> foaming</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20glass" title=" waste glass"> waste glass</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon%20carbide" title=" silicon carbide"> silicon carbide</a> </p> <a href="https://publications.waset.org/abstracts/69062/an-investigation-of-foam-glass-production-from-sheet-glass-waste-and-sic-foaming-agent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69062.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">385</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">3622</span> Development of Zero-Cement Binder Activated by Carbonation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Young%20Cheol%20Choi">Young Cheol Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Eun-Jin%20Moon"> Eun-Jin Moon</a>, <a href="https://publications.waset.org/abstracts/search?q=Sung-Won%20Yoo"> Sung-Won Yoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Sang-Hwa%20Jung"> Sang-Hwa Jung</a>, <a href="https://publications.waset.org/abstracts/search?q=In-Hwan%20Yang"> In-Hwan Yang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stainless steel slag (STS) is a by-product generated from the stainless steel refining process. The recycling of STS produced in Korea for construction applications is limited due to its poor hydraulic properties. On the other hand, STS has high carbonation reactivity to CO2 as it contains gamma-C2S content. This material is ideal for mineral carbonation which is one of the techniques proposed for carbon emission reduction. The objective of this study is to investigate the feasibility of developing a zero-cement STS binder activated by carbonation as alternative cementitious material. The quantitative analyses for CO2 uptake of STS powder and STS blended cement were investigated using thermogravimetric analysis (TGA), X-ray diffraction (XRD). In addition, the compressive strength and microstructure of STS pastes after CO2 curing were evaluated. Test results showed that STS can be activated by carbonation to gain a sufficient strength as alternative cementitious material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gamma-C2S" title="gamma-C2S">gamma-C2S</a>, <a href="https://publications.waset.org/abstracts/search?q=CO2%20uptake" title=" CO2 uptake"> CO2 uptake</a>, <a href="https://publications.waset.org/abstracts/search?q=carbonation" title=" carbonation"> carbonation</a>, <a href="https://publications.waset.org/abstracts/search?q=stainless%20steel%20slag" title=" stainless steel slag"> stainless steel slag</a> </p> <a href="https://publications.waset.org/abstracts/75421/development-of-zero-cement-binder-activated-by-carbonation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75421.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">464</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">3621</span> Statistical Analysis Approach for the e-Glassy Mortar And Radiation Shielding Behaviors Using Anova</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abadou%20Yacine">Abadou Yacine</a>, <a href="https://publications.waset.org/abstracts/search?q=Faid%20Hayette"> Faid Hayette</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Significant investigations were performed on the use and impact on physical properties along with the mechanical strength of the recycled and reused E-glass waste powder. However, it has been modelled how recycled display e-waste glass may affect the characteristics and qualities of dune sand mortar. To be involved in this field, an investigation has been done with the substitution of dune sand for recycled E-glass waste and constant water-cement ratios. The linear relationship between the dune sand mortar and E-glass mortar mix % contributes to the model's reliability. The experimental data was exposed to regression analysis using JMP Statistics software. The regression model with one predictor presented the general form of the equation for the prediction of the five properties' characteristics of dune sand mortar from the substitution ratio of E-waste glass and curing age. The results illustrate that curing a long-term process produced an E-glass waste mortar specimen with the highest compressive strength of 68 MPa in the laboratory environment. Anova analysis indicated that the curing at long-term has the utmost importance on the sorptivity level and ultrasonic pulse velocity loss. Furthermore, the E-glass waste powder percentage has the utmost importance on the compressive strength and improvement in dynamic elasticity modulus. Besides, a significant enhancement of radiation-shielding applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ANOVA%20analysis" title="ANOVA analysis">ANOVA analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=E-glass%20waste" title=" E-glass waste"> E-glass waste</a>, <a href="https://publications.waset.org/abstracts/search?q=durability%20and%20sustainability" title=" durability and sustainability"> durability and sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation-shielding" title=" radiation-shielding"> radiation-shielding</a> </p> <a href="https://publications.waset.org/abstracts/178812/statistical-analysis-approach-for-the-e-glassy-mortar-and-radiation-shielding-behaviors-using-anova" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/178812.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">59</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">3620</span> Analyzing the Effect of Biomass and Cementitious Materials on Air Content in Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Albahttiti">Mohammed Albahttiti</a>, <a href="https://publications.waset.org/abstracts/search?q=Eliana%20Aguilar"> Eliana Aguilar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A push for sustainability in the concrete industry is increasing. Cow manure itself is becoming a problem and having the potential solution to use it in concrete as a cementitious replacement would be an ideal solution. For cow manure ash to become a well-rounded substitute, it would have to meet the right criteria to progress in becoming a more popular idea in the concrete industry. This investigation primarily focuses on how the replacement of cow manure ash affects the air content and air void distribution in concrete. In order to assess these parameters, the Super Air Meter (SAM) was used to test concrete in this research. In addition, multiple additional tests were performed, which included the slump test, temperature, and compression test. The strength results of the manure ash in concrete were promising. The manure showed compression strength results that are similar to that of the other supplementary cementitious materials tested. On the other hand, concrete samples made with cow manure ash showed 2% air content loss and an increasing SAM number proportional to cow manure content starting at 0.38 and increasing to 0.8. In conclusion, while the use of cow manure results in loss of air content, it results in compressive strengths similar to other supplementary cementitious materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20content" title="air content">air content</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass%20ash" title=" biomass ash"> biomass ash</a>, <a href="https://publications.waset.org/abstracts/search?q=cow%20manure%20ash" title=" cow manure ash"> cow manure ash</a>, <a href="https://publications.waset.org/abstracts/search?q=super%20air%20meter" title=" super air meter"> super air meter</a>, <a href="https://publications.waset.org/abstracts/search?q=supplementary%20cementitious%20materials" title=" supplementary cementitious materials"> supplementary cementitious materials</a> </p> <a href="https://publications.waset.org/abstracts/105720/analyzing-the-effect-of-biomass-and-cementitious-materials-on-air-content-in-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105720.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">149</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">3619</span> The Influence of Silica on the Properties of Cementitious Composites </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eva%20Stefanovska">Eva Stefanovska</a>, <a href="https://publications.waset.org/abstracts/search?q=Estefania%20Cuenca"> Estefania Cuenca</a>, <a href="https://publications.waset.org/abstracts/search?q=Aleksandra%20Momirov"> Aleksandra Momirov</a>, <a href="https://publications.waset.org/abstracts/search?q=Monika%20Fidanchevska"> Monika Fidanchevska</a>, <a href="https://publications.waset.org/abstracts/search?q=Liberato%20Ferrara"> Liberato Ferrara</a>, <a href="https://publications.waset.org/abstracts/search?q=Emilija%20Fidanchevski"> Emilija Fidanchevski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Silica is used in construction materials as a part of natural raw materials or as an additive in powder form (micro and nano dimensions). SiO₂ particles in cement act as centers of nucleation, as a filler or as pozzolan material. In this regard, silica improves the microstructure of cementitious composites, increases the mechanical properties, and finally also results into improved durability of the final products. Improved properties of cementitious composites may lead to better structural efficiency, which, together with increased durability, results into increased sustainability signature of structures made with this kind of materials. The aim of the present work was to investigate the influence of silica on the properties of cement. Fly ash (as received and mechanically activated) and synthetized silica (sol-gel method using TEOS as precursor) was used in the investigation as source of silica. Four types of cement mixtures were investigated (reference cement paste, cement paste with addition of 15wt.% as-received fly ash, cement paste with 15 wt.% mechanically activated fly ash and cement paste with 14wt.% mechanically activated fly ash and 1 wt.% silica). The influence of silica on setting time and mechanical properties (2, 7 and 28 days) was followed. As a matter of fact it will be shown that cement paste with composition 85 wt. % cement, 14 wt.% mechanically activated fly ash and 1 wt. % SiO₂ obtained by the sol-gel method was the best performing one, with increased compressive and flexure strength by 9 and 10 % respectively, as compared to the reference mixture. Acknowledgements: 'COST Action CA15202, www.sarcos.eng.cam.ac.uk' <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cement" title="cement">cement</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=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=silica" title=" silica"> silica</a>, <a href="https://publications.waset.org/abstracts/search?q=sol-gel" title=" sol-gel"> sol-gel</a> </p> <a href="https://publications.waset.org/abstracts/116244/the-influence-of-silica-on-the-properties-of-cementitious-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116244.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right 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