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Utilization of brick waste as pozzolanic material in concrete mix

机译:砖废料作为火山灰材料在混凝土混合物中的利用

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Recycling of construction and demolition waste and recycling of industrial by-products into building materials has an enormous potential. Brick waste can be treated by reusing for construction. Recently, the utilization of pozzolanic materials in cement and concrete have increased considerably due to their diverse benefits such as lesser use of cement , saving in production costs, improvement in the durability of concrete and so on. Ground bricks was added to concrete mix as partial replacement of cement at (5, 10, 15) % by weight. It was evaluated as a pozzolanic material in conjunction with high range water reducing admixture superplasticizer (HRWR)-The study confirmed that the use of 10 % of ground brick improved compressive, flexure strength of concrete by about (23.3%) and (5.92%) respectively at 240 days as compared to reference concrete and decreased the depth of water penetration under pressure by about 43.75% at 150 days, also the water absorption decreased by about 2.52%. The uses of 10% of grinding brick in conjunction with high range water reducing admixture reduced corrosion of steel reinforcement by about 18%.
机译:回收建筑和拆除废物以及将工业副产品回收为建筑材料具有巨大的潜力。可以通过重复使用建筑来处理砖石废物。近来,火山灰材料在水泥和混凝土中的利用率由于其多样化的益处而大大增加,例如减少了水泥的使用,节省了生产成本,提高了混凝土的耐久性等。将碎砖添加到混凝土混合物中,以部分代替水泥,重量百分比为(5、10、15)。它与高减水剂高效减水剂(HRWR)一起用作火山灰材料-研究证实,使用10%的地砖可将混凝土的抗压,抗折强度提高约(23.3%)和(5.92%)与参考混凝土相比,分别在240天和150天时,在压力下水的渗透深度降低了约43.75%,吸水率也降低了约2.52%。结合使用10%的磨砖和高范围减水剂可以将钢筋的腐蚀降低约18%。

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