土的非線性模型對(duì)地下結(jié)構(gòu)動(dòng)力反應(yīng)分析結(jié)果的影響
王寶瑞1，田礫1，姜柱1、2
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（1青島理工大學(xué) 土木工程學(xué)院，青島 266033；2青島艾璧希建筑科技咨詢公司，青島 266033）[摘要] 基于土的等價(jià)剛性和R-O非線性模型，通過(guò)動(dòng)力有限元分析方法，對(duì)處于軟弱土層處的某一地下結(jié)構(gòu)的橫斷面進(jìn)行抗震性能分析。著重討論了非線性反應(yīng)大的側(cè)壁下端的彎矩曲率反應(yīng)，分析比較土的等價(jià)剛性和R-O非線性模型對(duì)于結(jié)構(gòu)工程的抗震設(shè)計(jì)的影響。[關(guān)鍵詞] 地下結(jié)構(gòu); 抗震設(shè)計(jì); 地震響應(yīng); 等價(jià)剛性; R-O非線性模型中圖分類號(hào) TU921 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X（2013）S2-0109-04作者簡(jiǎn)介：王寶瑞，研究生，1393977102@qq.com。Influence on the dynamic analysis of the underground structure with the nonlinear finite element model of soilWang bao rui1, Tian li1, Jiang zhu1，2（1.School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China 2. Qingdao ABC Construction Technology Consulting Company, Qingdao 266033, China）Abstract：Based on soil equivalent stiffness and R-O nonlinear model, Seismicanalysis of a transverse section of an underground structure which is in soft soil was made by finite element dynamic analysis method in this paper. The moment and curvature response of the bottom part of the side wall was emphatically analyzed. The results show that the e nonlinear response is larger. The soil equivalent stiffness and R-O nonlinear model was discussed in order to reveal the influence for structural engineering seismic design.Keywords: underground structures; seismic design; earthquake response; equivalent rigid; R-O model
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