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该卧式煤仓的侧向刚度变化较大,由计算可知刚度突变的楼层即为结构的薄弱层,应注意地震作用下的结构整体性能分析。本文采用有限元软件MIDAS,对国内首个万吨卧式煤仓结构的抗震性能进行了反应谱分析。并对结构选型、载荷取值、结构分析进行了详细介绍,对以后的同类结构具有一定的借鉴作用。
The lateral stiffness of the horizontal coal bunker changes greatly. It can be seen from the calculation that the floor with abrupt change of stiffness is the weak layer of the structure, and the overall performance analysis of the structure under earthquake action should be paid attention to. In this paper, finite element software MIDAS is used to analyze the seismic behavior of the first 10,000-ton horizontal coal bunker structure in China. The structure selection, load value and structure analysis are introduced in detail, which will be of reference to the similar structures in the future.