摘要
对CFRP-钢管混凝土轴压短柱这种新型构件的受力性能进行了理论分析,提出了此类构件承载力计算的基本假定;采用极限平衡法,推导出钢管屈服时构件承载力和碳纤维片拉断时构件极限承载力的解析计算式;对8根CFRP-钢管混凝土轴压短柱和4根钢管混凝土柱的极限承载力进行试验研究,并将解析分析结果与实验数据比较,证明了提出的解析计算式的正确性。
A theoretical analysis is carded out for the load carrying capacities of the axially compressed concrete filled CFRP-steel tube. Several basic assumptions on the overall mechanical property of this structure are proposed. Two equations are derived for estimating the strength of the system when the steel tube yields and CFRP-sheet breaks through ultimate equilibrium method. An experimental investigation was performed on 12 specimens, including 8 concrete filled CFRP-steel tubes and 4 concrete filled steel tubes, in order to verify the present study. The comparison of the experimental data and the results from the proposed equations shows good consistency.
出处
《工程力学》
EI
CSCD
北大核心
2006年第1期149-153,共5页
Engineering Mechanics
基金
辽宁省自然科学基金(20031001)
沈阳市计划科技项目(1022051-3-01)
关键词
钢管混凝土
CFRP-混凝土
极限平衡法
套箍系数
短柱
concrete filled steel tube （CFST）
CFRP-concrete
ultimate equilibrium method
confining parameter
short column
