考慮地震殘余變形的高層建筑抗震性能分析
[Abstract]:The magnitude of the residual deformation of the structure directly affects the evacuation and escape of the crowd, and the feasibility and necessity of post-earthquake repair and reinforcement, and the participation of soil will also affect the residual deformation of the whole. A finite element model considering and neglecting soil-structure interaction (SSI) is established for a high-rise building. The maximum deformation and residual deformation of the structure are obtained by nonlinear time-history analysis at different ground motion levels. The results show that considering SSI, the maximum interstory displacement angle increases, the maximum deformation and residual deformation of the structure increase, and the amplitude of the increase increases with the increase of earthquake intensity. Therefore, ignoring the SSI will make the structural analysis and design results more dangerous. The influence of SSI should be considered more in high fortified area.
【作者單位】: 天津大學(xué)建筑工程學(xué)院;天津市建筑設(shè)計(jì)院;
【分類號】:TU973.31
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