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针对某电厂基础位移的发展情况 ,用非线性全过程分析方法分析了主厂房框排架结构在基础位移作用下发展到未来某时点的结构状态和自振特性 ,采用振型分解反应谱法分别计算了此时结构遭遇多遇小震、设防烈度地震和罕遇大震的结构响应 ,给出了主厂房结构的震害预测结果 ,可供电厂抗滑治理工作和临危预报参考
Aiming at the development of foundation displacement of a power plant, the structural state and natural vibration characteristics of the frame structure of the main building under certain displacement are analyzed by non-linear full-process analysis method. The vibration mode decomposition response spectrum method The structure response of the structure encountering frequent small earthquakes, fortified earthquakes and rarely encountered large-scale earthquakes are calculated respectively. The prediction results of the earthquake damage of the main building structure are given, which can be used for anti-slip treatment of power plants and reference of risk prediction