[1]洑旭江,常素萍,陈国兴.地下结构地震反应分析拟静力法与动力非线性时程法的比较[J].地震工程与工程振动,2016,36(01):044-51.[doi:10.13197/j.eeev.2016.01.44.fuxj.006]
 FU Xujiang,CHANG Suping,CHEN Guoxing.Comparison of pseudo static method and nonlinear dynamic method of subway station structure seismic response analysis[J].EARTHQUAKE ENGINEERING AND ENGINEERING DYNAMICS,2016,36(01):044-51.[doi:10.13197/j.eeev.2016.01.44.fuxj.006]
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地下结构地震反应分析拟静力法与动力非线性时程法的比较
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《地震工程与工程振动》[ISSN:/CN:]

卷:
36
期数:
2016年01
页码:
044-51
栏目:
出版日期:
2016-02-20

文章信息/Info

Title:
Comparison of pseudo static method and nonlinear dynamic method of subway station structure seismic response analysis
作者:
洑旭江13 常素萍2 陈国兴13
1. 南京工业大学 岩土工程研究所, 江苏 南京 210009;
2. 盐城市建筑设计院有限公司, 江苏 盐城 224000;
3. 江苏省土木工程防震技术研究中心, 江苏 南京 210009
Author(s):
FU Xujiang13 CHANG Suping2 CHEN Guoxing13
1. Institute of Geotechnical Engineering, Nanjing Tech University, Nanjing 210009, China;
2. Architectural Designing Institutes Co., Yancheng 224000, China;
3. Civil Engineering & Earthquake Disaster Prevention Center of Jiangsu Province, Nanjing 210009, China
关键词:
地铁地下车站结构反应位移法反应加速度法非线性时程分析法对比分析
Keywords:
subway station structureresponse displacement methodresponse acceleration methodnonlinear dynamic analysis methodcomparative analysis
分类号:
TU311.3
DOI:
10.13197/j.eeev.2016.01.44.fuxj.006
摘要:
以典型的两层三跨地铁地下车站结构为研究对象,采用基于自由场位移场频域等效线性分析结果的反应位移法和反应加速度法分析地下结构的地震弯矩,并与基于ABAQUS软件的地下结构地震反应非线性时程分析的计算结果进行了比较,对比了不同地震动强度、结构刚度及顶板埋深对地下结构地震弯矩的影响。结果表明:输入地震动强度越大,拟静力法与动力非线性时程法计算结果之间的差异越大;地下结构刚度越大,两者之间的差异也越大;中等强度的地震动作用时,相对于动力非线性时程法的计算结果,浅埋结构的拟静力法结果偏大,深埋结构的拟静力法计算结果偏小;反应位移法和反应加速度法的计算结果差异很小。该研究结果对地下结构抗震设计方法的比选具有一定的指导意义。
Abstract:
Bending moments of a typical three-span and two-story subway station structure was analyzed by response displacement method and response acceleration method using the results of a nonlinear one-dimensional site response analysis model for vertical propagation of horizontal shear waves. The calculated results were compared to the results of nonlinear dynamic analysis by using software ABAQUS for different ground motion intensity, lateral stiffness and roof cover depth of a subway station structure, the differences are summarized as the following:the computational inaccuracy increasing of pseudo static method with the increasing of ground motion intensity or structural lateral stiffness; the bending moments of the shallow and deep buried subway structure calculated by pseudo static method are larger or less than those calculated by nonlinear dynamic method under moderate-level earthquake, respectively; the difference for the calculated results of the response displacement method and the response acceleration method is quite small. The results are used to provide useful reference for the choice of underground structure seismic design methods.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-04-19;改回日期:2015-05-19。
基金项目:国家自然科学基金重大研究计划集成项目(91215301);北京市属高等学校创新团队建设项目(IDHT20130512) Supported by:Major Research Project of the National Natural Science Foundation of China(91215301);Beijing Innovation Team in Local Colleges and Universities Construction Projects(IDHT20130512)
作者简介:洑旭江(1988-),男,硕士研究生,主要从事土与结构动力相互作用研究.E-mail:fxj822102@163.com
通讯作者:陈国兴(1963-),男,教授,博士,主要从事土动力学与岩土地震工程研究.E-mail:gxchen@njtech.edu.cn
更新日期/Last Update: 1900-01-01