【摘要】 罕遇地震作用下,板柱节点主要有弯曲破坏和冲切破坏两种破坏形态,而板柱节点发生冲切破坏后,板传递弯矩的能力迅速降低。模拟板柱节点冲切破坏的滞回曲线,在IDARC程序的基础上增加了考虑冲切破坏的恢复力模型,从而采用了弹塑性时程分析方法对板柱-剪力墙结构进行抗震性能分析。对比分析了板柱-剪力墙结构顶层有梁和顶层无梁两种情况下抗震性能的差异,前者相对于后者而言,并没有显示出很大的优势。更多还原

【Abstract】 The main failure modes of slab-column connections are flexural failure and punching failure under severe earthquake. The moment transfer capacity of the flat slab decreases quickly after slab-column connections’ punching failure. The hysteretic curve of punching failure is simulated and the restoring force model of punching failure is added into IDARC program. Then, the elastic-plastic time history analysis method is introduced to evaluate seismic performance of slab column-shear wall structures. The discrepancy of a slab column-shear wall with two cases of with or without beams on top story is analyzed which indicates that the superiority of the case of with beams is not apparent as compared with the case of without beams.更多还原