上下层布式钢纤维混凝土弯拉性能试验研究

Experimental study on flexural tensile property of the top-and-bottom-layered steel fiber reinforced concrete

通过弯拉性能试验,对比了素混凝土、层布式钢纤维混凝土和层布式混杂纤维混凝土的弯拉性能,研究了钢纤维长径比和体积率对层布式钢纤维混凝土弯拉强度的影响,结果表明,上下层布式钢纤维和聚丙烯腈纤维提高了混凝土的弯拉强度。

Flexural-tensile properties of normal concrete and layered steel fiber reinforced concrete and layered hybrid fiber reinforced concrete are contrasted.The effect of length-diameter ratio and volumetric fraction of steel fiber on flexural-tensile property of steel fiber reinforced concrete are experimentally studied.The results show that layered steel fiber and polypropylene fiber improve the flexural-tensile strength of concrete.