在反复荷载作用下劲性钢筋混凝土框架柱强度和延性的试验分析

Experimental Study on Shear Strength and Ductility of Steel and Concrete Composite Framed Columns under Cyclic Loading

本文在试验的基础上,着重分析了钢筋混凝土框架短柱,在反复水平荷载作用下剪切粘结裂缝产生和发展的机理,并对在较大轴压比作用下,劲性钢筋混凝土框架短柱的抗震行为进行了一定的研究。在试验分析的基础上,运用叠加原理,提出了与试验结果吻合较好的强度计算公式。

Based on test results,the creating and extending mechanism of shear and bond cracks in R.C.framed columns under cyclic loading is analysed.Some columns that are of bigger axial force than usual are included in the test,and their earthguake resistant behavior is also discussed.A new method that calculates the shear strength of columns with better accuracy is presented in this paper.