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本文将地震地面运动模拟为零均值平稳高斯过程,考虑多层剪切型钢筋砼框架结构在强震时的非线性和滞回性,根据动力反应的实际概率分布,建议了计算框架结构随机地震反应的概率平均等价线性化法,进一步将地基土层模拟为弹性半空间地基,计算了结构-地基相互作用系统的平稳随机地震反应。
This paper simulates the ground motion of the earthquake to a zero-mean stationary Gaussian process, considers the nonlinearity and hysteretic behavior of the multi-layer shear-type reinforced concrete frame structure during strong earthquakes, and according to the actual probability distribution of the dynamic response, proposes to calculate the random seismicity of the frame structure. The probability-average equivalence linearization method of the response was used to further simulate the foundation soil layer as an elastic half-space foundation, and the stationary random seismic response of the structure-foundation interaction system was calculated.