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采用试验方法,研究叠合板式混凝土剪力墙T型、L型拼接墙体抗震性能。分析了叠合板式剪力墙结构体系抗震设计关键技术研究现状。对叠合板式混凝土剪力墙试件进行非线性推覆研究和非弹性动力响应分析,重点研究影响T型、L型拼接构件抗震性能的滞回曲线、骨架曲线、刚度下降曲线和延性性能。研究结果表明:叠合板式剪力墙与全现浇剪力墙的抗震性能基本一致。根据试验结论,提出叠合板式混凝土剪力墙结构基于性能的抗震设计方法。编制出的地方规范已经发布并得到应用。
The test method is used to study the seismic performance of T-shaped and L-shaped splicing wall of composite shear wall. The status quo of research on the key technologies of aseismic design of the composite system with ply shear wall structure is analyzed. The nonlinear pushover analysis and inelastic dynamic response analysis of the composite slab concrete shear wall specimens are carried out. The hysteresis curve, skeleton curve, stiffness decrease curve and ductility performance of the composite slab concrete shear wall specimens are studied emphatically. The results show that the seismic performance of the composite shear wall and the fully cast-in shear wall are basically the same. Based on the conclusion of the experiment, the performance-based seismic design method of plywood-type concrete shear wall structure is proposed. The prepared local specifications have been released and applied.