某大型商业裙房薄弱连接部位楼板性能设计
发布时间:2018-09-14 18:23
【摘要】:重庆某大型商业裙房,为带部分剪力墙的框架结构,建筑和结构平面的开洞较多,就形成了薄弱连接的不规则平面。抗震设计中楼板应具备比抗侧力构件更高的抗震性能,针对本工程的结构特点,确定了楼板抗震设计性能目标及预期的震后性能状态,采用ABAQUS进行了结构整体的弹塑性时程分析,根据规范规定进行了楼板的受剪承载力计算,从内力和损伤进行了对比。分析结果表明,经过设计加强后的薄弱连接部位的楼板可以满足预定的性能目标。
[Abstract]:A large commercial skirt in Chongqing is a frame structure with partial shear wall. There are many openings in the building and structural plane, so the irregular plane with weak connection is formed. In the seismic design, the floor should have higher seismic performance than the anti-lateral force member. According to the structural characteristics of the project, the performance objectives of the seismic design and the expected post-earthquake performance state of the floor are determined. The elastic-plastic time-history analysis of the whole structure is carried out by using ABAQUS, and the shear capacity of the floor is calculated according to the code, and the internal force and the damage are compared. The analysis results show that the weak joint floor can meet the performance target.
【作者单位】: 重庆市设计院;
【分类号】:TU398.9;TU352.11
[Abstract]:A large commercial skirt in Chongqing is a frame structure with partial shear wall. There are many openings in the building and structural plane, so the irregular plane with weak connection is formed. In the seismic design, the floor should have higher seismic performance than the anti-lateral force member. According to the structural characteristics of the project, the performance objectives of the seismic design and the expected post-earthquake performance state of the floor are determined. The elastic-plastic time-history analysis of the whole structure is carried out by using ABAQUS, and the shear capacity of the floor is calculated according to the code, and the internal force and the damage are compared. The analysis results show that the weak joint floor can meet the performance target.
【作者单位】: 重庆市设计院;
【分类号】:TU398.9;TU352.11
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