结构多维地震作用研究综述及展望(Ⅱ)——分析方法及展望

Review and prospects of the research on multi-component earthquake excitations for structures(Ⅱ)─analysis method and prospects

本文综述了结构多维地震作用研究的发展概况．在Ⅰ中，主要综述了多维地震动输入的有关问题，分别从多维地震动转动分量的研究和多维地震动随机模型及相关性的研究方面进行了讨沦．在Ⅱ中，主要综述了结构在多维地震作用下的反应分析方法，包括多维抗震分析的反应谱方法、多维抗震分析的时程法、和多维抗震分析的随机方法，最后讨论了结构多维地震作用研究中存在的问题，对今后的研究方向提出了展望。

The state-of-the-art research on multi -component earthquake excitations for structures is summarized in this paper. In paper I, the aspects for multi-component seismic inputs are discussed, which are mainly related to the research on rotational component of ground motion, random model and correlation for multiple seismic ground motions. In paper Ⅱ, the analysis methods for struc- turest to multi-component seismic excitations are reviewed, which consist of the seismic response spec- trum method, the time-history analysis method, and the random vibration method. Finally, the problems and prospects of the research are discussed, and the aspects for further research are recommended.