AXIAL COMPRESSION RATIO LIMIT OF HIGH PERFORMANCE CONCRETE SHEAR WALL IN PERFORMANCE BASED SEISMIC DESIGN
Ductility capacity is a very important design parameter for estimation of the seismic behavior of structures in performance-based seismic design. The axial compression ratio and the transverse reinforcement ratio are two significant factors related to the ductility of compression-bending components. In this paper, a new type of piecewise confinement stirrup is employed to improve the ductility of cross section in the potential plastic hinge zone of high performance concrete shear wall. According to the connections between the structural performance levels and ductility demand, the relationship among the allowable value of axial compression ratio of high performance concrete shear wall, the quantities of confining stirrup, displacement ductility demand and performance levels are investigated. Based on the experimental research and computational analysis, the determination principle for the axial compression ratio limit of high performance concrete shear wall is presented in performance-based seismic design, and some useful advise of the axial compression ratio limit for designers are proposed.
Ductility Axial compression ration Shear wall Piecewise Confinement Stirrup Ultimate compressive strain
Ming-Ke Deng Xing-Wen Liang Ke-Jia Yang
School of Civil Engineering, Xian University of Architecture and Technology, Xian 710055,P.R. Chin School of Architecture and Civil Engineering, Wenzhou University, Wenzhou 325035,P.R. China
国际会议
第十届国际结构工程青年学者研讨会(The Tenth International Symposium on Structural Engineering for Young Experts)
长沙
英文
1814-1819
2008-10-19（万方平台首次上网日期，不代表论文的发表时间）