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万华化学研究中心上海基地建设项目为6塔连体复杂高层建筑。各单体存在体型复杂、竖向抗侧力构件不连续和侧向刚度不规则等多项超限内容,各塔楼之间在不同楼层由高空连廊搭接,连廊采用弱连接形式,塔楼裙房以上整体外挑尺寸最远端为13.5m,大悬挑部分采用钢拉杆悬挂结构方案。根据工程的特点及超限情况,确定结构的性能化抗震设计目标,对各塔楼进行小震弹性分析、弹性时程分析、静力弹塑性分析,并对钢拉杆悬挂结构及连廊结构进行了设计分析。分析结果表明,整体结构各项指标均满足规范要求,结构性能状况满足抗震性能化设计目标。
Wanhua Chemical Research Center Shanghai base construction project is a 6-tower complex high-rise building. Each monomer has a number of over-limit contents such as complex body shape, vertical resistance to lateral force discontinuity, and irregular lateral stiffness, etc. Each tower is connected by a high-altitude corridor on different floors, and the corridor uses a weak connection form. The overall farthest outskirts of the podium are 13.5 meters in size, and the large cantilevered part adopts the steel rod suspension structure scheme. According to the characteristics of the project and the overrun condition, the performance-based seismic design targets of the structure are determined. Small towers are analyzed for elasticity, elastic time history, and static elastoplastic analysis are performed for each tower. The steel rod suspension structure and corridor structure are also performed. Design analysis. The analysis results show that the indicators of the overall structure meet the requirements of the specification, and the structural performance status meets the seismic performance design goals.