Damage observation and assessment of the Longxi tunnel during the Wenchuan earthquake
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- 作者：Haitao Yua ; yuhaitao@tongji.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Juntao Chenb ; Antonio Bobetc ; Yong Yuand ; yuany@tongji.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Wenchuan earthquake ; Mountain tunnel ; Fault ; Damage ; Numerical simulation
- 刊名：Tunnelling and Underground Space Technology
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：54
- 期：Complete
- 页码：102-116
- 全文大小：4952 K
文摘
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We describe in detail the damage observed at the Longxi tunnel cross a fault zone.
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Serious damage and even collapse of the tunnel occurred close to the faulted zone.
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We present a detailed 3D numerical model to determine the mechanisms of damage.
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We discuss effects of seismic input directions and the fault on the tunnel damage.
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The longitudinal seismic motion has a significant effect on tunnel performance.
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