岩土工程学报2011，Vol.33Issue(10)：1623-1627,5.
可液化土层中地下车站的地震反应分析
Seismic response analysis of a subway station in liquefiable soil
摘要
Abstract
Soil-structure dynamic response analysis in liquefiable soil is a difficult problem due to the difficulty of modeling the post-liquefaction behavior and the instability of numerical calculation. A cyclic elasto-plasticity model developed by the authors, which can describe the large strain behavior during an entire liquefaction process, has been implemented in a fully coupled finite element program. The seismic response of Daikai subway station subjected to the 1995 HyogokenoNambu Earthquake is investigated to illustrate the philosophy of soil-structure dynamic response analysis with emphasis on soil liquefaction and also to validate its effectiveness. The calculated stress-strain curves and effective stress paths of typical soil elements are given to reveal the relationship of the large lateral deformation of the station and surrounding soil with the liquefaction extent of sandy stratum. It is found that liquefaction-induced large deformation may be the main reason causing serious damage to the Daikai station during the earthquake.关键词
地下车站/液化/地震反应分析/数值模拟Key words
subway station/liquefaction/seismic response analysis/numerical modeling分类
建筑与水利引用本文复制引用
王刚,张建民,魏星..可液化土层中地下车站的地震反应分析[J].岩土工程学报,2011,33(10):1623-1627,5.基金项目
国家“973”计划项目 （）
