CURVATURE DUCTILITY ANALYSIS OF HIGH PERFORMANCE CONCRETE SHEAR WALL
According to the characteristics of shear wall cross section, a new type of piecewise confinement stirrup is adopted to improve the curvature ductility of high performance concrete shear wall. Based on the section property and special stirrups configuration, the effect of piecewise confinement stirrup on curvature ductility of cross section for high performance concrete shear wall are analyzed, and the calculation formulas used for evaluating the yield curvature and ultimate curvature of shear wall cross section are presented. Then, the relationship among the curvature ductility of shear wall cross section, the relative depth of compression zone, and the quantities of confinement stirrups are derived. Experimental results and sample analysis indicate that the effect of confinement stirrup on the ultimate curvature for cross section of shear wall is much more significant than that on the yield curvature. The curvature ductility of shear wall cross section is related to the axial compression ratio, the quantities of piecewise confinement stirrup, and the length of confinement zone. It is indicated that the curvature ductility and deformation capacity analysis method for high performance concrete shear wall cross section are practical and have sufficient safety and reliability.
Shear wall Curvature ductility Yield curvature Ultimate curvature Piecewise confinement stirrup
Ming-Ke Deng Xing-Wen Liang Xin Li
School of Civil Engineering, Xian University of Architecture and Technology, Xian 710055,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
1820-1825
2008-10-19（万方平台首次上网日期，不代表论文的发表时间）