Analysis of Effects of Weak Interlayer on Seismic Responses of Underground Structures

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Analysis of Effects of Weak Interlayer on Seismic Responses of Underground Structures

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[1]Wu Yan,Xu Zigang,Du Xiuli,et al.Analysis of Effects of Weak Interlayer on Seismic Responses of Underground Structures[J].Journal of Zhengzhou University (Engineering Science),2021,42(04):91-97.[doi:10.13705/j.issn.1671-6833.2021.04.014]

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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 42 Number of periods: 2021 04 Page number: 91-97 Column: Public date: 2021-07-30

Title:: Analysis of Effects of Weak Interlayer on Seismic Responses of Underground Structures

Author(s):: Wu Yan; Xu Zigang; Du Xiuli;; Key Laboratory of the Ministry of Education of the Ministry of Education of City and Engineering Safety and Engineering of Beijing University of Technology; Key Laboratory of Safety and Control of Geotechnical Engineering Infrastructure Infrastructure of East China Jiaotong University;

Keywords:: weak interlayer; underground structure; seismic analysis; time history analysis

CLC:: -

DOI:: 10.13705/j.issn.1671-6833.2021.04.014

Abstract:: Underground structures seismic damage investigation indicated underground structures damage occurred more often in the non-uniform field.In order to study the influence of the location and thickness of weak interlayer on the seismic response of underground structure,a 2D soil-structure interaction model for a single-layer double span metro station structure was established based on the large-scale general finite element analysis software ABAQUS.The dynamic time history analysis method based on equivalent linearization was used to compare the seismic response of three seismic records with different spectral characteristics under normal incidence.The relative displacement of the top and bottom of the lower structure and the change of the internal force of the column in the key supporting components were analyzed.Analysis results showed that the existence of weak interlayers had a great influence on the seismic responses of the underground structures,especially when the weak interlayer was located in the middle of the structure and had a certain thickness,the seismic response of underground structures greatly increased than that of the conventional uniform site condition.As a result,in the practical engineering design，it should be seriously considered to cope with the existence of weak interlayer.

References:: [1] 陈国兴,陈苏,杜修力,等.城市地下结构抗震研究进展[J].防灾减灾工程学报,2016,36(1):1-23.
[2] 孙超,薄景山,齐文浩,等.地下结构抗震研究现状及展望[J].世界地震工程,2009,25(2):94-99.
[3] 周奎,潘梦阳,林杰.一种新型组合框架滞回性能及地震反应分析[J].郑州大学学报(工学版),2015,36(5):63-67.
[4] 黄润秋,余嘉顺.软弱夹层特性对地震波强度影响的模拟研究[J].工程地质学报,2003,11(3):312-317.
[5] 陈国兴,陈继华.软弱土层的厚度及埋深对深厚软弱场地地震效应的影响[J].世界地震工程,2004,20(3):66-73.
[6] 王子辉.饱和两相与单相土互层场地中地铁车站地震反应分析[D].北京:北京交通大学,2008.
[7] 杜修力,许紫刚,许成顺,等.基于等效线性化的土-地下结构整体动力时程分析方法研究[J].岩土工程学报,2018,40(12):2155-2163.
[8] BARDET J P,ICHII K,LIN C H.EERA:a computer program for equivalent-linear earthquake site response analyses of layered soil deposits[EB/OL].(2020-08-20)[2020-10-12].http://www.ce.memphis.edu/7137/PDFs/EERA2/EERAManual.pdf.
[9] I.M IDRISS，JOSEPH I.SUN.User′s manual for shake91：a computer program for conducting equivalent linear seismic response analyses of horizontally layered soil deposits[EB/OL].(1992-08-15)[2020-10-12].https://max.book118.com/html/2018/0430/163852466.shtm.
[10] 庄海洋.土-地下结构非线性动力相互作用及其大型振动台试验研究[D].南京:南京工业大学,2006.
[11] XU Z G,DU X L,XU C S,et al.Simplified equivalent static methods for seismic analysis of shallow buried rectangular underground structures[J].Soil dynamics and earthquake engineering,2019,121:1-11.
[12] 楼梦麟,王文剑,朱彤,等.土-结构体系振动台模型试验中土层边界影响问题[J].地震工程与工程振动,2000,20(4):30-36.
[13] 李洋.浅埋地下框架结构地震破坏机理研究[D].北京:北京工业大学,2018.
[14] 中华人民共和国住房和城乡建设部.城市轨道交通结构抗震设计规范:GB 50909—2014[S].北京:中国标准出版社,2014.

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