Partial Cement Replacement

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class="page-name-block-text">Papers by Keyword: Partial Cement Replacement</h1> </div> <div class="papers-author-content"> <div class="block-search-pagination"> </div> <div class="block-volume-title normal-text-gray"> <p> Paper Title<span>Page</span> </p> </div> <div class="item-block"> <div class="item-link"> <a href="/KEM.879.62">Setting Time and Compressive Strength of Mortar Containing Cockle Shell Powder as Partial Cement Replacement</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Khairunisa Muthusamy, Rahimah Embong, Nabilla Mohamad, Nur Syahira Hanim Kamarul Bahrin, Fadzil Mat Yahaya </div> </div> <div id="abstractTextBlock565888" class="volume-info volume-info-text volume-info-description"> Abstract: Environmental degradation caused by deforestation activities for harvesting of limestone from the hills and its calcination process at cement factory along with disposal of cockle shell waste from fisheries industries is in need of resolution. In view of sustainable green environment, approach of utilizing cockle shell waste as partial cement replacement in cement production would reduce pollution caused by both industries. Thus, this research investigates the effect of cockle shell powder as partial cement replacement on setting time and compressive strength of mortar. A total of five types of mortar mixes consisting different percentage of cockle shell powder as partial cement replacement from 0%, 10%, 20%, 30%, and 40% by weight of cement were prepared. Setting time test were conducted on fresh paste. All specimens were subjected to water curing until the testing age. Compressive strength test were conducted on hardened mortar cubes at 3, 7 and 28 days. Finding shows that integration of cockle shell powder as partial cement replacement influences the setting time and compressive strength of mortar. Suitable combination of 10% cockle shell powder successfully enhances the compressive strength of mortar. Conclusively, success in transforming the cockle shell waste to be used as partial cement replacement in mortar production able to reduce cement consumption, save landfill usage for trash dumping and promote cleaner environment for healthier lifestyle of community nearby. </div> <div> <a data-readmore="{ block: '#abstractTextBlock565888', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 62 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/KEM.707.35">Fine Ceramic Powder – Supplementary Cementitious Material for Mortar Mix Design</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Tereza Kulovaná, Jaroslav Pokorný, Milena Pavlíková, Martina Záleská, Zbyšek Pavlík </div> </div> <div id="abstractTextBlock503282" class="volume-info volume-info-text volume-info-description"> Abstract: Waste ceramic powder originating from the contemporary hollow bricks production is studied as a supplementary cementitious material in mortar composition. For the ceramic powder and cement, the measurement of chemical composition is done using XRF analysis. XRD device is used for the amorphous phase content measurement. The particle size distribution of ceramics and cement is accessed on a laser diffraction principle. Pozzolanic activity of ceramic powder was determined by the modified Chapelle test. The blended binder containing ceramic powder in an amount of 8, 16, and 24% of mass of cement is used for the preparation of mortars which are then characterized using the measurement of basic physical properties and mechanical properties. Among the basic physical properties, bulk density, matrix density and total open porosity are measured. The mechanical resistivity of mortars with blended binder is accessed by the compressive strength, flexural strength, and dynamic Young’s modulus measurement. Additionally, pore-size distribution of the developed mortars is analyzed using mercury intrusion porosimetry. Experimental data shows that an application of 24% waste ceramics in the blended binder provides sufficient mechanical resistivity of the mortar. </div> <div> <a data-readmore="{ block: '#abstractTextBlock503282', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 35 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.815.29">Performance of Concrete by Using Palm Oil Fuel Ash (POFA) as a Cement Replacement Material</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Liyana Ahmad Sofri, Mohd Zulham Affandi Mohd Zahid, Nur Fitriah Isa, Muhammad Azizi Azizan, Muhammad Munsif Ahmad, Mohd Badrul Hisyam Ab Manaf, Mustaqqim Abdul Rahim, Zuhayr Md Ghazaly, Juraida Abu Bakar, Muhammad Shafiq Aiman Ahmran </div> </div> <div id="abstractTextBlock493023" class="volume-info volume-info-text volume-info-description"> Abstract: Palm Oil Fuel Ash (POFA) is one of the solid waste in Malaysia and had trouble with the ash removal. Therefore, the use of waste oil palm ash can overcome the problem of solid waste. POFA is a pozzolanic material and it can act as a replacement of cement (OPC) to produce concrete with higher strength and low cost. POFA quality will increase as the range made up to a medium level of fineness in the size of 50 microns. POFA used to replace OPC is 0%, 10%, 30% and 50% by weight percent of OPC. POFA concrete compressive strength will be tested after a curing process that concrete age of 7 days and 28 days. POFA concrete density is also tested and compared with OPC concrete. Results showed that compressive strength POFA lower than normal concrete. On the other hand, the replacement of cement by 10% POFA shows a record high in compressive strength compared with other POFA mixing at the age of 7 days and 28 days. Fineness pozzolanic POFA is the best material and can be used as a cement replacement alternative. </div> <div> <a data-readmore="{ block: '#abstractTextBlock493023', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 29 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.802.149">Effects of Coal Bottom Ash on the Compressive Strength of Portland Cement Mortar</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Ali Huddin Ibrahim, Kok Keong Choong, Megat Azmi Megat Johari, Shahril Izham Md Noor, Nur Liyana Zainal, Kamar Shah Ariffin </div> </div> <div id="abstractTextBlock486684" class="volume-info volume-info-text volume-info-description"> Abstract: The possibility of utilizing treated coal bottom ash as a partial replacement of Portland cement was examined through compressive strength test on mortar samples. A total of 16 batches of mortar mixtures with cement:sand ratio of 1:2.5 and 1:2.75 were prepared using two types of treated coal bottom ash. The chemical compositions including the unburned carbon of coal bottom ash were also analyzed. In order to remove the excess unburned carbon which will affect the potential pozzolanic properties, the coal bottom ash was heated at 550 ± 50oC and 700 ± 50<sup>°</sup>C for 60 min in an electrical furnace.The results showed that compressive strength of mortar mixtures with cement:sand ratio of 1:2.5 and 1:2.75 containing treated coal bottom ash which was heated at 550oC results in an increase in compressive strength. At 10% and 20% of treated coal bottom ash replacement levels to Portland cement, the compressive strength of the mortar mixture was significantly improved at the age of 28 days. The compressive strength of the mortar mixtures at early ages gives lower strength as compared to the plain Portland cement mortar. However, the effect of treated coal bottom ash that was heated at 700°C is to reduce the compressive strength of the mortar mixtures except for mixture with cement:sand ratio of 1:2.5 containing 10% coal bottom ash at 56 days. </div> <div> <a data-readmore="{ block: '#abstractTextBlock486684', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 149 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/MSF.824.55">Ceramic Waste Powder as an Active Pozzolanic Material for Cement Based Composites</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Tereza Kulovaná, Zbyšek Pavlík </div> </div> <div id="abstractTextBlock481499" class="volume-info volume-info-text volume-info-description"> Abstract: Parameters of cement pastes with ceramic powder as partial Portland cement replacement up to 40 mass% are presented in the paper. Ceramic powder belongs to the pozzolanic materials. Utilization of pozzolanic materials is accompanied by lower request on energy needed for Portland clinker calcination which generally results in lower production costs of blended binder and lower CO<sub>2</sub> emissions. The ceramic powder is used in cement based pastes composition in amount of 8, 16, 24, 32, and 40 mass% of cement. For the studied ceramic powder, chemical composition is measured by X-Ray Fluorescence. The particle size distribution of ceramics is accessed on laser diffraction principle. Bulk density, matrix density, and total open porosity are measured for 28 days cured paste samples. The obtained results demonstrate that ceramic powder has potential to replace a part of Portland cement in composition of cement based composites. </div> <div> <a data-readmore="{ block: '#abstractTextBlock481499', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 55 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.754-755.326">Acid Resistance of Oil Palm Shell Lightweight Aggregate Concrete Containing Palm Oil Fuel Ash</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Khairunisa Muthusamy, Nurazzimah Zamri, Iqbal Mohd Haniffa, Noor Nabilah Sarbini, Fadzil Mat Yahaya </div> </div> <div id="abstractTextBlock471639" class="volume-info volume-info-text volume-info-description"> Abstract: Concern towards reducing waste disposed by Malaysian palm oil industry, palm oil fuel ash (POFA) and oil palm shell (OPS) that poses negative impact to the environment has initiated research on producing oil palm shell lightweight aggregate concrete (OPS LWAC) containing palm oil fuel ash. The present investigation looks into the effect of palm oil fuel ash content as partial cement replacement to compressive strength and acid resistance of oil palm shell lightweight aggregate concrete. Two types of mix, plain OPS LWAC and another one containing POFA as partial cement replacement have been used in this research. Cubes of 100 x 100 x 100 (mm) were water cured for 28 days before subjected to compressive strength test and acid resistance test. The findings indicate that suitable integration of POFA content would ensure occurrence of optimum pozzolanic reaction leading to densification of concrete internal structure which increases the compressive strength and better durability to acid attack. Integration of 20% POFA successfully assist concrete to achieve the highest compressive strength and exhibit superior resistance against acid attack compared to other mixes. </div> <div> <a data-readmore="{ block: '#abstractTextBlock471639', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 326 </div> </div> <div class="block-bottom-pagination"> <div class="pager-info"> Showing 1 to 6 of 6 Paper Titles </div> </div> </div> </div> </div> </div> </div> <div class="social-icon-popup"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-popup-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-popup-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-popup-icon social-icon"></i></a> </div> </div> <div class="sc-footer"> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="footer-menu col-md-12 col-sm-12 col-xs-12"> <ul class="list-inline menu-font"> <li><a href="/ForLibraries">For Libraries</a></li> <li><a href="/ForPublication/Paper">For Publication</a></li> <li><a href="/insights" target="_blank">Insights</a></li> <li><a href="/DocuCenter">Downloads</a></li> <li><a href="/Home/AboutUs">About Us</a></li> <li><a href="/PolicyAndEthics/PublishingPolicies">Policy & Ethics</a></li> <li><a href="/Home/Contacts">Contact Us</a></li> <li><a href="/Home/Imprint">Imprint</a></li> <li><a href="/Home/PrivacyPolicy">Privacy Policy</a></li> <li><a href="/Home/Sitemap">Sitemap</a></li> <li><a href="/Conferences">All Conferences</a></li> <li><a href="/special-issues">All Special Issues</a></li> <li><a href="/news/all">All News</a></li> <li><a href="/read-and-publish-agreements">Read & Publish Agreements</a></li> </ul> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-footer-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-footer-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-footer-icon social-icon"></i></a> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12 footer-copyright"> <p> © 2024 Trans Tech Publications Ltd. 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