基底滑移隔震结构的随机反应和概率设计

Random Response and Probability Design for Structures with Base Sliding Isolation

给出了基底滑移隔震结构的运动微分方程。利用等效线性化方法，求得了基底滑移隔震结构在有限带宽白噪声扰动作用下的均方滑移反应和均方滑动速度反应，根据最大滑移反应的概率分布函数，导出了带有概率意义的基础附加宽度计算公式。

he differential equations of motion for structures with base sliding isolation are presented.By using the equivalent linearization method, the mean square sliding displacement response and the mean square sliding velocity response for structures with base sliding isolation under a band limited white noise excitation are obtained.On the basis of probability distribution function of maximum sliding displacement response,the formula of probability significance for calculating additional width of foundation is derived.