【摘要】 基于位移的抗震设计方法被认为是现阶段实现基于性能的抗震设计理论最为有效的一条途径,受到了国内外学者的广泛关注。对该方法的产生背景、分类、近年来国内外的研究进展情况进行了总结和介绍,并重点从非线性位移反应谱和推覆分析法两方面介绍地震位移需求估算的研究进展情况。最后,对该方法目前存在的问题和今后的研究方向进行了分析。更多还原

【Abstract】 Displacement-based seismic design method has been recognized as one of the most efficient way to realize the purpose of performance-based seismic design in current stage and therefore has attracted extensive attentions from many researchers around the world.The background of the origination of this method,the classification,and its development in recent years are summarized.Then the review is focused on the estimation of seismic displacement demands in two aspects,nonlinear seismic displacement spectrum and pushover analysis procedure.At last,the existing problems are analyzed and the further work needed in this field is proposed accordingly.更多还原