【摘要】 为研究不同轴压比下再生混凝土高剪力墙的抗震性能,进行了3个不同轴压比、骨料取代率为100%的再生混凝土高剪力墙的低周反复荷载试验。在此基础上,分析了各剪力墙的破坏特征、承载力、延性和滞回特征。研究结果表明:轴压比对再生混凝土高墙的性能有重要影响,轴压力的增加可提高再生混凝土高剪力墙的承载力,但会降低再生混凝土剪力墙的延性和耗能能力;轴压比适中的再生混凝土高剪力墙,延性较好,滞回环稳定,有良好的耗能能力,破坏形式为弯曲破坏。在实际工程中,通过设定合理的轴压比限值,将再生混凝土高剪力墙应用于建筑结构中是可行的。更多还原

【Abstract】 In order to study the seismic performance of recycled concrete high shear walls under different axial-load ratios,the low-cyclic loading tests were carried out for three recycled concrete high shear walls with the 100% replacement ratio of recycled coarse aggregate and three kinds of axial-load ratios.Based on the experiments,the failure characteristics,bearing capacity,ductility and the hysteresis properties of shear walls were analyzed.The results show that the axial-load ratio has important influence on the performance of recycled concrete high shear walls.The bearing capacity of recycled concrete high shear walls increases with the increase of the axial-load ratio,however,the ductility and energy dissipation decrease.The recycled concrete high shear walls with rational axial-load ratio have stable hysteresis loop,good ductility and energy dissipation,and the failure modes are the bending failure.In practice,it is feasible that the recycled concrete high shear walls are applied to building structures through setting rational value of the axial-load ratio.更多还原