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一、引言在强烈地震作用下,结构将会超过弹性极限而进入非弹性状态。现行抗震设计规范是采用弹性反应谱理论,以单质点体系的地震弹性反应,用综合结构系数来考虑非弹性影响,把弹性反应折减后视作等效侧向静荷载(即所谓水平地震荷载),并采用弹性力学的方法获得结构内
I. INTRODUCTION Under strong earthquakes, the structure will exceed the elastic limit and enter the non-elastic state. The current seismic design code uses the elastic response spectrum theory to use the seismic response of the single-mass system, consider the inelastic effects with the comprehensive structural coefficient, and regard the elastic response reduction as the equivalent lateral static load (the so-called horizontal seismic load). ) and use the method of elasticity to obtain the structure