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An Experimental Comparison Between Fine Aggregate and Quarry Fines Based on Mortar Block Strength

机译：基于砂浆砌块强度的细骨料和采石细料的实验比较

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摘要

The strength properties of mortar mainly depend on the materials used for casting. Each material has its own importance for cement mortar strength. In this research, quarry fines, a waste by-product, replaced a portion of fine aggregate in mortar. This research focuses on compressive strength of cement mortar using American Society for Testing and Materials standards. The specimens were cast in standard 2"x 2" inch molds. The compressive strength of blocks with replacement of fine aggregate by quarry fines at 15%, 25%, 30%, and 50% was tested at 7, 14 and 28 days of curing. The results were compared with a control group. Compressive strength of mortar blocks increased by comparison to the control group for all percentage replacement of fine aggregate by quarry fines. The mortar batch using 50% quarry fines produced the higher compressive strength results at 28 days of curing. Quarry fines were found to have similar specific gravity and absorption to fine aggregate. Keywords: Quarry Fine, Fine Aggregate, Binding Material, Mortar and Compressive Strength.
机译：砂浆的强度特性主要取决于用于铸造的材料。每种材料对于水泥砂浆强度都有其重要性。在这项研究中，废料副产品采石场的细粉代替了砂浆中细粉的一部分。这项研究的重点是使用美国材料试验学会标准的水泥砂浆抗压强度。样品在标准的2“ x 2”英寸模具中铸造。在固化的第7、14和28天测试了用15％，25％，30％和50％的碎石料代替细骨料的砌块的抗压强度。将结果与对照组进行比较。与所有对照组相比，用碎石料粉代替细骨料的所有砂浆块的抗压强度均比对照组高。在固化28天后，使用50％采石料粉的砂浆批料产生了更高的抗压强度结果。发现采石场的细粉具有与细集料相似的比重和吸收率。关键字：采石场，细集料，粘结材料，砂浆和抗压强度。

著录项

  • 作者

    Boregowda, Karthik.;

  • 作者单位

    University of Arkansas at Little Rock.;

  • 授予单位 University of Arkansas at Little Rock.;
  • 学科 Civil engineering.;Environmental engineering.;Materials science.
  • 学位 M.S.
  • 年度 2017
  • 页码 108 p.
  • 总页数 108
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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