钢纤维掺量和类型对混凝土性能的影响  

Effect of Types and Volume Percentage of Steel Fiber on Properties of Concrete

作　　者：秦鸿根[1] 刘斯凤[1] 孙伟[1] 庞超明[1] 安平[1] 

机构地区：[1]东南大学材料科学与工程系,江苏南京210096

出　　处：《建筑材料学报》2003年第4期364-368,共5页Journal of Building Materials

基　　金：建设部基金资助项目

摘　　要：比较了不同形状钢纤维对不同强度等级混凝土力学性能的影响,分析了钢纤维掺量与混凝土强度之间的关系.结果表明,随钢纤维掺量的提高,钢纤维增强混凝土的各项力学性能都有不同程度的提高;纤维类型不同,对混凝土的增强效果各异,其中弓形和哑铃形钢纤维的增强效果优于平直形和波浪形纤维,并以哑铃形钢纤维为最佳.Effect of different types of steel fibers on the mechanical properties of concrete were investigated. The results indicate that the mechanical properties of concrete are improved with the increase in the volume percentage of steel fiber. The strengthening effects of bowshape and dumbbellshape steel fibers are better than that of straightshape and waveshape steel fibers. The dumbbellshape fiber has the best effect on strengthening, toughening and crackcontrolling of concrete.

关 键 词：混凝土 钢纤维 力学性能 钢纤维增强混凝土 阻裂 哑铃形钢纤维 

分 类 号：TU528.572[建筑科学—建筑技术科学]