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DEVELOPMENT OF HIGH PERFORMANCE CONCRETE USING QUARRY DUST AS PARTIAL REPLACEMENT OF SAND

机译:采石粉末的高性能混凝土开发为砂砂的局部替代

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The potential of quarry dust in developing high performance concrete has been investigated. Normal Portland cement, silica fume, quarry dust and silica fume-quarry dust concretes were produced in the study. The properties of concrete have been examined in respect of workability, compressive strength and initial surface absorption. It was observed that silica fume-quarry dust concrete exhibited good workability. It has also provided good compressive strength and resistance to water penetration in water and water-dry air curing. Overall test results reveal that high performance concrete can be produced by the use of quarry dust as partial replacement of sand.
机译:研究了开发高性能混凝土采石场的潜力。在研究中,生产了正常的波特兰水泥,二氧化硅烟草,采石粉和石灰石粉碎混凝土。已经在可加工性,抗压强度和初始表面吸收方面检查了混凝土的性质。观察到石英烟灰粉混凝土良好的可加工性。它还提供了良好的抗压强度和水渗透在水和水干空气固化中的耐受性。总体测试结果表明,高性能混凝土可以通过采用采石粉作为粉尘的部分更换来生产。

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