The equation of earthquake response for the system of TV tower-pile foundation interaction is derived, and its order is reduced.
推导了电视塔-桩基相互作用体系的地震反应方程，并对方程的阶数进行了缩减；
A simplified method for the dynamic analysis of the structure-foundation interaction of offshore platforms is presented in this paper.
本文提供了一个分析结构——基础耦合响应的简化方法。
In addition, the applicability of the widely used massless foundation approach to the dam-foundation interaction analysis is discussed.
此外还讨论了工程中广泛应用的无质量地基模型对于相互作用分析的适用性问题。
The problem of structure-foundation interaction plays an important role in earthquake engineering, disaster prevention and reduction engineering and protective engineering.
结构-地基相互作用问题是地震工程、防灾减灾工程及防护工程等领域十分关注的一个课题。
In different phases of the earthquake process, effects of the dynamic dam-foundation interaction are different. The interaction is rather prominent in the main shock phase.
坝体-坝基动力相互作用在地震过程中的不同阶段表现有所不同，主震阶段的相互作用显著。
Because of using the fundamental solutions of layered elastic solids, the proposed method can be used for analysis of the pile-foundation interaction in non-homogeneous soil.
建立桩身单元的位移应力方程时，采用压缩杆理论；建立土体界面单元方程时，采用层状材料基本解。
It is indicated that the dynamic amplification of abutment rock body and dam-water-foundation interaction should be considered in the aseismatic stability analysis for high arch dam abutment.
指出高拱坝坝肩稳定分析应考虑坝肩岩体的动力放大和坝-地基-库水的动力相互作用，算例表明所提方法的实用价值。
In this paper, complex modal analysis for dam-foundation interaction problem in time domain is presented, and effects of dam-foundation interaction on modal characteristics of the dam are discussed.
本文提出在时域内分析水坝与地基动力相互作用问题的复模态分析方法，讨论了水坝与地基动力相互作用对水坝模态特性的影响。
In this paper, complex modal analysis for dam-foundation interaction problem in time domain is presented, and effects of dam-foundation interaction on modal characteristics of the dam are discussed.
本文提出在时域内分析水坝与地基动力相互作用问题的复模态分析方法，讨论了水坝与地基动力相互作用对水坝模态特性的影响。
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