南京青奥会议中心在罕遇地震作用下的非线性分析

Dynamic elastic-plastic time history analysis of Nanjing Youth Olympic Center-Conference Center

以南京青奥中心-会议中心项目为背景,用MIDAS Gen建立了其三维非线性结构整体分析模型。在以抗震性能为基准的设计思想和以位移为基准的抗震设计方法的指导下,对弹性楼板及弱化的弹性楼板整体结构进行了大震动力弹塑性时程分析。结构的位移以及塑性铰的分布情况等结果表明,会议中心的整体抗震性能较好,满足大震作用下结构的抗震性能目标。

This paper takes the project of Nanjing Youth Olympic Center-Conference Center as the background,and uses MIDAS Gen to establish the three-dimensional nonlinear structure analysis model. Under the guidance of design thought based on the seismic performance and seismic design method based on the displacement,the dynamic elastic-plastic time history analysis of the whole structure of elastic floor,and a weakening elastic floor respectively under a large earthquake was carried out. The structure displacement and plastic hinge distribution show that the overall seismic performance of the conference center is good,which satisfies the structure seismic performance objectives of the large earthquake.