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基于失效模式控制的地铁车站结构抗震性能研究

路德春, 李强, 杜修力, 吴春玉

路德春, 李强, 杜修力, 吴春玉. 基于失效模式控制的地铁车站结构抗震性能研究[J]. 岩土工程学报, 2019, 41(8): 1400-1407. DOI: 10.11779/CJGE201908003
引用本文: 路德春, 李强, 杜修力, 吴春玉. 基于失效模式控制的地铁车站结构抗震性能研究[J]. 岩土工程学报, 2019, 41(8): 1400-1407. DOI: 10.11779/CJGE201908003
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LU De-chun, LI Qiang, DU Xiu-li, WU Chun-yu. Seismic performance of subway station based on failure model control[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(8): 1400-1407. DOI: 10.11779/CJGE201908003
Citation: LU De-chun, LI Qiang, DU Xiu-li, WU Chun-yu. Seismic performance of subway station based on failure model control[J]. Chinese Journal of Geotechnical Engineering, 2019, 41(8): 1400-1407. DOI: 10.11779/CJGE201908003
shu

基于失效模式控制的地铁车站结构抗震性能研究  English Version

  • 北京工业大学城市与工程安全减灾教育部重点实验室,北京 100124

基金项目: 国家自然科学基金项目（U1839201,51778026,51421005）
详细信息
    作者简介:

    路德春(1977— ),男,博士,教授,主要从事强度理论与土的本构模型、地下结构抗震等方面的研究工作。E-mail: dechun@bjut.edu.cn。

  • 中图分类号: TU435

Seismic performance of subway station based on failure model control

  • Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education, Beijing University of Technology, Beijing 100124, China

摘要

    摘要
  • 摘要: 基于大开车站的塌毁是由于中柱变形能力不足所导致这一观点,对大开车站中柱进行了失效模式优化,提出一种新型叠层加芯柱。利用有限元软件ABAQUS建立三维非线性数值分析模型,静力分析叠层加芯柱的水平极限变形能力和实际工作状态,采用时域显式整体分析方法,对大开车站和采用叠层加芯柱的大开车站进行震害模拟,从典型时刻结构整体变形、中柱及侧墙的水平向和竖向地震反应等方面对比分析两者抗震性能的差异。研究结果表明：叠层加芯柱具有良好的水平变形能力;采用叠层加芯柱后的大开车站整体变形明显减小,结构保存较为完好,未发生塌毁现象;中柱处于安全的工作状态、侧墙水平地震反应降低,结构竖向沉降大幅降低,整体性较好;失效模式控制对地下结构的抗震性能起到了显著的优化效果。
    Abstract: Based on the opinion that the collapse of the Daikai station is caused by insufficient deformation capacity of the middle column, the failure mode of the middle column is optimized, and a new segmental cored column is proposed. 3D nonlinear finite element simulations are established by using ABAQUS. The horizontal ultimate deformation capacity and actual working state are obtained through the static analysis. The seismic simulation is carried out for the Daikai station with and without segmental cored column. Then differences in seismic performance are analyzed considering the deformation of the structure at typical time, horizontal and vertical seismic responses of the middle column and sidewalls. The results show that the segmental cored column has excellent horizontal deformation capacity. The deformation of the Daikai station with segmental cored column is reduced obviously, the whole structure is well preserved and no collapse occurs. The middle columns are in safe working condition. The horizontal seismic responses of sidewalls are reduced, and the vertical settlement of the structure is also greatly reduced. The concept of failure mode control makes a significant active effect on the seismic performance of the underground structures.
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    • 参考文献(22)
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出版历程
  • 收稿日期:  2018-10-09
  • 发布日期:  2019-08-24

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