【摘要】 导出了适合于基底多支点输入的结构－地基－结构相互作用系统动力方程，比较了地面输入和基底输入两种激励方式对结构地震反应的影响，得到了结构－地基－结构相互作用的一些规律更多还原

【Abstract】 In this paper the differential equations of a structure foundation structure interaction system are subjected to the multi supports earthquake excitations.This paper compares the influence of two kinds of excitation coming from the earth surface and the bedrock on the calculating results.Some conclusions on the seismic responses of the structure foundation structure are obtained.更多还原