Evaluation of underground tunnel response to reverse fault rupture using numerical approach

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题名:	Evaluation of underground tunnel response to reverse fault rupture using numerical approach
作者:	洪汶宜;Baziar, Mohammad Hassan;Nabizadeh, Ali;Mehrabi, Ronak;Lee, Chung Jung;Hung, Wen Yi
贡献者:	工學院土木工程學系
关键词:	Centrifuge modeling;Centrifuges;Earthquake fault rupture;Faults;Finite element method;Mathematical analysis;Mathematical models;Numerical modeling;Rupture;Sand;Tunnel;Tunnels (transportation)
日期:	2016-04-01
上传时间:	2026-04-21 14:03:50 (UTC+8)
出版者:	Elsevier BV;Elsevier Ltd
摘要:	摘要： The present paper implemented a finite-element methodology to simulate the interaction behavior between tunnel and sandy soil deposit when a reverse fault rupture propagated from the base rock to the ground surface. The location of shear zones and propagation of subsurface rupture traces through overlying sand were discussed with the changes in the tunnel location, tunnel rigidity and soil relative density. The results indicated that the presence of a tunnel could have a significant influence on the fault rupture path. It was further shown that different factors affected the rotation and displacement of the tunnel. This study also investigated the evolution of a surface deformation profile using both centrifuge experiments and the finite element simulation. The results of finite element studies were verified using centrifuge experiments. Reasonable agreement between numerical and experimental results indicated the credibility of the numerical approach. Verified numerical methodology was then used to present a parametric study, offering further insight into the effect of different parameters on the soil-tunnel interaction phenomenon. •A finite−element methodology was used to simulate the fault−tunnel interaction.•With increasing the burial depth of tunnel, the larger shear zone develops.•The soil properties are influential in determining the fault rupture paths.•The interaction mechanism should be taken into account in design of tunnels. 出版者： Elsevier Ltd 出版日期： 2016-04 出處： Soil dynamics and earthquake engineering (1984), 2016-04, Vol.83, p.1-17 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2015 Elsevier Ltd 識別號： ISSN: 0267-7261 識別號： EISSN: 1879-341X 識別號： DOI: 10.1016/j.soildyn.2015.11.005
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