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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
【摘要】 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。
【Abstract】 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.
【关键词】 层布式钢纤维混凝土;
层布式混杂纤维混凝土;
弯拉强度;
长径比;
体积率;
【Key words】 layered steel fiber reinforced concrete; layered hybrid fiber reinforced concrete; flexural-tensile strength; length-diameter ratio; volume fraction;
【Key words】 layered steel fiber reinforced concrete; layered hybrid fiber reinforced concrete; flexural-tensile strength; length-diameter ratio; volume fraction;
【基金】 国家《纤维混凝土结构技术规程》资助项目(建标协字第15号)
- 【文献出处】 混凝土 ,Concrete , 编辑部邮箱 ,2008年05期
- 【分类号】TU528.572
- 【被引频次】7
- 【下载频次】136