钢纤维长径比对钢纤维聚合物混凝土抗弯性能的影响
Influence of Steel-fiber Long-diameter Ratio on Bending Strength of Steel-fiber Polymer Concrete
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摘要: 采用单点集中加载方法研究了钢纤维聚合物混凝土中钢纤维的长径比对其抗弯性能的影响.结果表明:向聚合物混凝土中加入适量钢纤维可提高其抗弯强度和韧性;当钢纤维长径比为70、含量为48kg/m3时,钢纤维聚合物混凝土的抗弯强度较大,韧性较好.Abstract: The influence of long-diameter ratio of steel-fiber on bending properties of the steel-fiber polymer concrete was studied using single-point loading method.An appropriate amount of steel-fiber could improve the bending strength and toughness of the polymer concrete;When long-diameter ratio was 70 and quantity contained was 48kg/m3,the bending strength of steel-fiber polymer concrete was the biggest and the toughness was the best.