某剧院结构抗震性能分析与关键问题研究

Seismic Performance Analysis and Key Problems of a Theater Structure

某剧院建筑地下水位浮力大于自重,上部结构楼板不连续、弱连接、穿层柱、内部空旷、大跨度屋盖,舞台上空设备通过屋面梁悬挂受力,观众厅上部设备通过支承载牛腿上的网架来悬吊受力的这一结构体系,利用两种软件建立力学模型对结构进行小震弹性分析,对关键构件进行性能化设计,嵌固端位置变化等各种情况进行配筋包络设计,附属钢结构柔性连接于主体混凝土结构上,确保结构整体和附属构件的安全性和合理性。

The underground water level of a theater is greater than its own therefore the upper structure floor is not con-tinuous and has weak connection which has open large span roof of the column.The equipment over the stage is suspend-ed by the roof beam,and the upper equipment of the auditorium is suspended by the structure of the space truss on the supporting bracket.Using two kinds of software,the mechanical model is developed to analyze the elastic elasticity of the structure,performance design of key components,the embedded end position change and other conditions,the reinforce-ment envelope design.The flexible connection of subsidiary steel structure is connected to the main concrete structure,which can ensure the safety and rationality of the overall structure and accessory components.