某超限高层结构动力弹塑性时程分析
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摘要
为了验证某超限高层结构是否满足"大震不倒"的设防水准要求,同时寻找结构薄弱部位和薄弱构件并进行相应的加强,采用通用有限元软件ABAQUS对其进行了动力弹塑性时程分析.同时,对该超限高层结构主楼在罕遇地震作用下的力学性能进行了分析,最终对损伤程度做出了相应的评价.计算结果表明,主楼结构在三组罕遇地震作用下,整体性能良好,能够满足罕遇地震下的抗震性能目标.
To validate that the transfinite high-rise structure is satisfied with the standard to guarantee no collapse under big earthquake,the weak parts and members of the structure carry on the corresponding strengthening using procedure software of finite element ABAQUS for elasto-plastic time history analysis.At the same time,the transfinite high-rise main building structure of the mechanical properties under severe earthquake was studied,according to the damaged or yielded state of the main structural components,and the degree of damage was evaluated at last.Calculation results indicate that the main building structure has excellent holistic behavior and can meet the seismic performance objective when affected by three rarely earthquake respectively.
引文
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