中文摘要：

本文按照我国现行混凝土结构设计规范设计的5层钢筋混凝土框架进行了连续倒塌仿真，采用非线性动力有限元程序LS—DYNA软件，模拟其在不同工况水平地震波下的损伤演化，分析了其抗连续倒塌能力。结果表明：柱应变沿长跨由外至内方向减小，角柱破坏威胁最大，中部柱破坏威胁最小。

英文摘要：

The progressive collapse of a typical Chinese 5 - story reinforced concrete （RC） frame was analyzed. The frame in horizontal seismic damage evolution was simulated by the nonlinear dynamic finite element program LS - DYNA software under different working conditions. Results show that the column strain reduces along the long span from the outer to the inner direction, corner column destruc- tion threat is largest, central column destruction threat least.