Determining the optimum percentages of fly ash, metakaolin and copper slag by replacing cement and fine aggregate in m30 grade concrete

Stephen Isaac
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引用次数: 0

Abstract

The overall production of the cement has greatly increased which results lots of problems in environment as it involves the emission of CO2   gas.  Environmental concerns, stemming from the high energy expense and carbon dioxide emission associated with cement manufacture have brought about pressures to reduce cement consumption through the use of supplementary materials. Materials such as Metakaolin, fly ash have good pozzolanic activity and are a good material for the production of high strength concrete. Copper slag is a by-product of copper extraction by smelting. Copper slag can be used in concrete production as a partial replacement for sand. However, it is expected that the use of Metakaolin, Fly ash and Copper slag in concrete improves the strength properties of concrete. Keywords: Supplementary cementitious material, Cement, Fine aggregate
通过替代水泥和细骨料,确定了m30级混凝土中粉煤灰、偏高岭土和铜渣的最佳掺量
水泥的整体产量大大增加,但由于涉及到二氧化碳气体的排放,导致了许多环境问题。由于与水泥生产有关的高能源费用和二氧化碳排放,环境问题带来了通过使用补充材料来减少水泥消耗的压力。偏高岭土、粉煤灰等材料具有良好的火山灰活性,是生产高强混凝土的良好材料。铜渣是冶炼提铜的副产品。铜渣可部分替代砂子用于混凝土生产。在混凝土中掺入偏高岭土、粉煤灰和铜渣,可望提高混凝土的强度性能。关键词:补充胶凝材料,水泥,细骨料
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