中文摘要：

采用高强度箍筋约束高强混凝土柱以保证其延性是混凝土结构的重要发展方向,为研究高强箍筋约束高强混凝土柱在轴压下的力学性能,统计了国内外的研究情况并对结果进行总结分析,发现在高强箍筋约束作用下,高强混凝土的脆性减小,强度和延性增加。同时介绍了几种有代表性的约束混凝土模型,分析了影响高强箍筋约束高强混凝土柱的延性和强度的主要因素为混凝土强度、体积配箍率、箍筋屈服强度、箍筋间距、混凝土保护层、纵筋配筋率以及箍筋约束形式等,并对各影响因素的作用进行总结。

英文摘要：

It has become an important topic to obtain ductile behavior in high-strength concrete（HSC） columns through proper confinement with high-strength transverse reinforcement.A comprehensive study of the experimental results for HSC columns is undertaken to evaluate the compression behavior of HSC columns with high-strength transverse reinforcement in this paper.It is found that the brittleness of HSC will be decreased and the strength and ductility of HSC could be improved by using high-strength transverse reinforcement.Also,some confining models for HSC with high strength transverse reinforcement are introduced in this paper.Based on analysis of the test results,it is found that the key variables that have significant effects on the ductility and strength of HSC columns are the concrete compressive strength,the volumetric ratio of transverse reinforcement,the tie yield strength,tie spacing,concrete cover thickness,the longitudinal reinforcement ratio and the tie configuration.