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首页> 美国卫生研究院文献>Materials >Synergistic Effect of Marble Powder and Green Sand on the Mechanical Properties of Metakaolin-Cement Concrete
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Synergistic Effect of Marble Powder and Green Sand on the Mechanical Properties of Metakaolin-Cement Concrete

机译：大理石粉和绿砂对偏高岭土水泥混凝土力学性能的协同效应

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The aim of this paper is to study experimentally the effect of marble powder and green sand as partial substitute for fine aggregate on the strength and durability of M40 grade concrete. The use of metakaolin as a pozzolanic admixture by using as binder replacement is also studied to assess the properties with respect to fresh and hardened state. Several formulations were prepared with constant water-binder ratio 0.4 and varying percentages of marble powder and green sand. The results indicated that the properties of concrete were much enhanced by extent incorporation of marble powder and green sand as fine aggregate and metakaolin for cement when compared to normal concrete. The microscopic studies also confirmed the viability of using green sand and marble powder as fine aggregates.
机译：本文的目的是通过实验研究大理石粉和绿砂作为细骨料的部分替代品对M40级混凝土的强度和耐久性的影响。还研究了偏高岭土通过用作粘合剂替代物作为火山灰混合物的用途，以评估相对于新鲜和硬化状态的性能。制备了具有恒定的水粘合剂比0.4和不同百分比的大理石粉和生砂的几种配方。结果表明，与普通混凝土相比，大理石粉和绿砂作为细骨料和偏高岭土的掺入程度大大提高了混凝土的性能。显微镜研究还证实了使用生砂和大理石粉末作为细骨料的可行性。

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