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在隔震方案设计中,由于地震动的高度随机性和隔震体系对地震频谱的敏感性,单纯依靠GB 50011—2010《建筑抗震设计规范》中规定的依据特定的地震波来评定隔震结构的水平减震系数,缺乏一定的可靠性。除利用GB 50011—2010方法进行隔震层的设计外,补充在大量地震动作用下的基于概率统计分析得出的隔震前后结构的层间剪力减震系数,用于增强隔震体系减震系数的可靠性,并对某工业厂房进行详细的隔震分析。
In the design of isolation scheme, due to the high degree of randomness of ground motion and the sensitivity of the isolation system to the seismic spectrum, the seismic isolation structure should be evaluated based on the specific seismic waves specified in GB50011-2010 “Seismic Design Code for Buildings” Horizontal damping coefficient, the lack of certain reliability. In addition to using the GB 50011-2010 method for the design of the isolation layer, the inter-layer shear damping factor of the pre-isolation and post-isolation structures based on the statistical analysis of the probabilistic statistics under a large number of ground motions is added to enhance the isolation system Seismic coefficient reliability, and a detailed analysis of an industrial plant isolation.