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The Compressive and Flexural Deformation of Rubberized Concrete

机译：橡胶混凝土的抗压性和弯曲变形

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摘要

The deformation of rubberized concrete under uniaxial compression and three-point flexure is studied in this paper by test, and the load-deflection curves and load-strain curves under three-point flexure are obtained. Three rubberized concrete, with 5%, 10% and 15% rubber contents, were tested. The test results show that rubber powder influences the compressive strength and flexural strength of concrete. The greater of the rubber dosage, the greater of the strength decreasing of concrete. The decline of compressive strength is greater than flexural strength, the ratio of flexural strength to compressive strength of rubberized concrete is 1.08, 1.16, 1.26 times of the normal concrete for three different rubber contents respectively. And the ultimate tensile strain of rubberized concrete is 1.62, 2.25, 2.80 times of the normal concrete respectively. The addition of rubber improved the toughness and deformation ability of the normal concrete.
机译：通过测试在本文中研究了单轴压缩下橡胶混凝土和三点弯曲的变形，并获得了三点弯曲下的负载偏转曲线和负载 - 应变曲线。测试了三个橡胶混凝土，5％，10％和15％橡胶含量。测试结果表明，橡胶粉对混凝土的抗压强度和抗弯强度影响。橡胶剂量越大，混凝土的强度降低越大。抗压强度的下降大于弯曲强度，弯曲强度与橡胶混凝土抗压强度的比率分别为橡胶混凝土的抗压强度为1.08,1.16，分别为三种不同橡胶内容的正常混凝土的1.26倍。橡胶混凝土的最终拉伸应变分别为1.62,2.25,20.20倍的正常混凝土。添加橡胶改善了正常混凝土的韧性和变形能力。

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