Research on underground structure seismic damage using static-dynamic coupling simulation method

WANG Su; LU De-chun; DU Xiu-li

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Research on underground structure seismic damage using static-dynamic coupling simulation method

更新时间：2026-06-25

- Research on underground structure seismic damage using static-dynamic coupling simulation method
- Vol. 33, Issue 11, (2012)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU93
- Online First：14 November 2012，
  
  Published：2012
- 稿件说明：
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WANG Su, LU De-chun, DU Xiu-li. Research on underground structure seismic damage using static-dynamic coupling simulation method[J]. 2012, 33(11).
DOI：

WANG Su, LU De-chun, DU Xiu-li. Research on underground structure seismic damage using static-dynamic coupling simulation method[J]. 2012, 33(11). DOI：

摘要

地下结构地震破坏过程模拟是研究地下结构抗震性能的有效手段，通过人工边界条件设置将围岩土体的自重应力作为动力响应模拟的初始状态，实现了地下结构地震响应静-动力耦合数值模拟。基于有限元分析软件ABAQUS，将极限剪应变作为破坏标准，采用生死单元法模拟了地下结构的地震破坏过程，通过结构埋深考虑了初始地应力对地下结构抗震性能的影响。模拟结果表明，地下结构的抗震性能存在一个最不利埋深，即最容易地震破坏的埋深，当结构的埋深超过最不利埋深时，结构的极限抗震能力增强，若结构产生地震破坏，则结构埋深越深即初始地应力越高其破坏程度也越强。

Abstract

Underground structure seismic damage process simulation is an effective means to study the underground structure aseismic performance. Through setting artificial boundary condition

taking dead weight stress of rock and soil mass as an initial state of dynamic response simulation

the static-dynamic coupling numerical simulation of earthquake response of the underground structures is realized. Based on finite element analysis software ABAQUS

taking ultimate shear strain as a failure criterion

the seismic damage process of underground structures is simulated by the birth-death element method. Considering structure depth

the influence of initial geostress on aseismic performance of underground structure is analyzed. The results show that the aseismic performance of underground structures has a most unfavorable depth

namely the most easily damaged depth in earthquake. When the depth exceeds the most easily damaged depth

the ultimate aseismic capacity of structures enhances. If the earthquake damage occurs

the damage degree of structures will be greater with the increasing of depth.

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