方钢管中空夹层混凝土柱抗压试验分析  

Compression test of hollow interlayer concrete column in square steel tubes

作　　者：王羡农[1] 张付彬 周晓慧[1] 

机构地区：[1]河北工程大学土木工程学院,河北邯郸056038

出　　处：《河北工程大学学报（自然科学版）》2013年第4期13-16,共4页Journal of Hebei University of Engineering:Natural Science Edition

基　　金：河北省建设基金资助项目(2011-158)

摘　　要：通过4根CFDST方钢管中空夹层混凝土柱的轴向承载力试验研究,探讨了CFDST方钢管中空夹层混凝土柱的抗压受力性能以及方钢管中空夹层混凝土柱承载力和抗弯刚度的提高效果,分析了CFDST方钢管中空夹层混凝土柱的破坏特点及其主要的破坏形式。研究结果表明:在本次试验的参数范围内,CFDST方钢管中空夹层混凝土柱的承载力及抗弯刚度得到了的有效提高;对CFDST方钢管中空夹层混凝土柱的破坏有了初步的了解。确定了CFDST方钢管中空夹层混凝土柱承载力的计算方法,与试验结果吻合良好。Through axial bearing capacity test of 4 CFDST hollow interlayer concrete columns in square steel tubes,their compressive mechanical properties,load-carrying capacity and flexural stiffness of concrete were studied.The destruction characteristics and the main form of damage of CFDST square hollow interlayer concrete filled steel tube column were analyzed.Research results showed that CFDST hollow interlayer concrete filled square steel tubes column can effectively improve the bearing capacity of axial compression column and column bending stiffness in this paper; Damage to the CFDST square hollow interlayer concrete filled steel tube column was pointed out.The calculation method of bearing capacity of concrete filled steel tubular axial compression column was determined and met with well experimental results.

关 键 词：CFDST 轴压柱 中空夹层方钢管混凝土 抗弯刚度 轴压承载力 

分 类 号：TG333.17[金属学及工艺—金属压力加工]