【摘要】 为研究平面内外双向加载下竖向分布钢筋不连接装配式剪力墙的抗震性能，开展1片现浇剪力墙和4片装配式剪力墙的足尺试件双向低周反复加载试验，比较分析混凝土浇筑方式（现浇、装配式）、轴压比和加载角等参数对墙体抗震性能的影响。研究结果表明：相比现浇剪力墙，竖向分布钢筋不连接装配式剪力墙性能较相近，在轴压比0.1、加载角60°斜向加载下的加载端反力峰值、初始刚度和层间位移角2%对应的累积耗能分别降低2.2%、11.4%和3.3%，而延性提高3.6%；竖向分布钢筋不连接装配式剪力墙的加载角度由60°减小至45°时，加载端反力峰值、刚度和层间位移角2%对应的累积耗能分别提高41.1%、64.9%和10.7%，而延性降低2.2%；轴压比由0.1增大至0.3时，加载端反力峰值、刚度和层间位移角2%对应的累积耗能分别提高35.4%、31.6%和20.4%，而延性降低25.6%。综合考虑加载端反力和平面外限位装置反力，竖向分布钢筋不连接装配式剪力墙承受双向加载时，初期墙体平面外受力性能会使总剪力增加，然而在加载后期（接近峰值荷载时）平面外反力几乎消失，说明罕遇地震阶段可以忽略剪力墙平面外性能的影响。更多还原

【Abstract】 To investigate the seismic performance of precast shear wall with un-spliced vertical distribution bars subjected to in-and out-of-plane loading, full-scale two-way low cycle reversed loading tests of one cast-in-situ and four precast shear wall specimens were carried out, and the effects of concrete pouring methods(cast-in-situ, precast), axial compression ratios and loading angles were analyzed. The results show that the precast shear wall exhibits comparable performance with the cast-in-place shear wall, the peak load, initial stiffness and energy dissipation corresponding to 2% drift angle of the precast shear wall under 60° loading and with a axial compression ratio of 0. 1 are reduced by 2. 2%, 11. 4% and 3. 3%, respectively, while the ductility increases by 3. 6%. Among the precast shear walls, when the loading angle reduces from 60° to 45°, the applied maximum load, stiffness and energy dissipation of the specimens increasea by 41. 1%, 64. 9% and 10. 7%, respectively, while the ductility decreases by 2. 2%. When the axial compression ratio increased from 0. 1 to 0. 3, corresponding indicators increase by 35. 4%,31. 6% and 20. 4%, respectively, while the ductility decreases by 25. 6%. Considering the reaction forces at the loading head and the out-of-plane displacement restraining devices, when the precast shear wall is subjected to two way loading, the initial out-of-plane performance of the wall is beneficial to the total shear capacity of the shear wall during the early stage, but such contribution in the later loading stage(when approaching the peak load) almost disappears, indicating that the contribution of the out-of-plane performance of the precast shear walls can be ignored in the seismic design for rarely earthquakes.更多还原