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户内式变电站由于电气设备工艺的要求,表现为典型的非对称结构形式。以往对该类变电站结构进行地震响应分析时常采用反应谱分析方法,仅考虑单向地震波输入时的情况,采用地震时程分析方法并考虑材料的非线性因素,对某变电站结构在多维地震作用下的非线性动力反应进行研究,并把计算结果与单向地震作用的结果进行分析比较。所得结论可为同类电力建筑物的抗震设计提供建议和参考。
Indoor substation due to the requirements of electrical equipment technology, the performance of the typical asymmetric structure. In the past, the response spectrum analysis method was often used to analyze the seismic response of substation structures of this type. Only the case of unidirectional seismic wave input was considered, and the seismic time history analysis method was used to consider the nonlinear factors of the substation. The nonlinear dynamic response is studied and the results are compared with the results of one-way earthquake. The conclusions can provide suggestions and reference for the seismic design of similar electric buildings.