钢纤维钢筋高强混凝土柱延性的试验研究  

EXPERIMENTAL RESEARCH ON DUCTILITY OF STEEL FIBER REINFORCED HIGH STRENGTH CONCRETE COLUMN

作　　者：郑建岚[1] 钱春[2] 郑作樵[1] 

机构地区：[1]福州大学 [2]浙江大学

出　　处：《土木工程学报》1999年第1期56-59,共4页China Civil Engineering Journal

摘　　要：做了九根钢纤维高强混凝土柱在单调荷载下的变形试验，其立方体抗压强度为５１．６～７０．８ＭＰａ，试验轴压比为０．３０１～０．５４６，钢纤维体积率为１．０％～２．０％。将试验结果与普通高强混凝土柱试验结果对比，表明在高强混凝土柱中掺入钢纤维是解决高强混凝土柱脆性大、延性差的一个有效途径。在各项条件基本相同的情况下，由于钢纤维的作用对延性系数的提高幅度达４１．３％，对极限压应变的提高幅度达３０．６％。The results of tests on ductility of steel fiber reinforced high strength concrete column are presented. The nine specimens have a cube strength of concrete of 51. 6 - 70. 8 MPa, their axial compression ratios are 0. 301 - 0.546 and their steel fiber volume ratios are 1.0% - 2.0%. Compared with the results of the normal high shength concrete column, it is shown that steel fiber can increase the ductility of high strength column obviously. As steel fiber is added to high shength concrete, the value of ductility coefficient increases 41. 3 %, and the ultimate compression stain increases 30.6%.

关 键 词：钢纤维 高强混凝土 柱 延性 试验 

分 类 号：TU528.572[建筑科学—建筑技术科学]