【摘要】 对双层柱面网壳的弹塑性抗震性能进行了探讨。采用理想弹塑性模型 ,通过结构非线性分析程序ADINA ,对双层柱面网壳结构进行了地震作用下的弹塑性分析。利用EL Centro地震波对网壳结构进行时程地震反应分析 ,考察了杆件进入塑性后网壳的地震响应和抗震性能 ,揭示了这类网壳的弹塑性性能特点更多还原

【Abstract】 Elastoplastic seismic performance of double layer cylindrical lattice shells is investigated in this paper.Using a perfect elastic\|plastic model,the elastoplastic seismic responses of the shell are analyzed by the computer software ADINA.By inputting EL\|Centro earthquake record,the time\|history responses of nodal displacements and member stresses of the structure are obtained respectively.A detailed discussion is carried out on elastoplastic seismic performance of the shell.The characteristics of elastoplastic seismic responses of the structure are revealed.更多还原