| 汶川地震公路隧道洞口段震害机理及抗震对策研究 |
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| 引用本文： | 崔光耀,王明年,林国进,张维庆,王维嘉.汶川地震公路隧道洞口段震害机理及抗震对策研究[J].现代隧道技术,2011(6):6-10,22. |
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| 作者姓名： | 崔光耀 王明年 林国进 张维庆 王维嘉 |
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| 作者单位： | 1. 西南交通大学土木工程学院,成都,610031
2. 四川省交通厅公路规划勘察设计研究院,成都,610041 |
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| 基金项目： | 西部交通建设科技项目(200831800026)、西部交通建设科技项目(200831800098); 中央高校基本科研业务费专项资金资助(SWJTU10XS05) |
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| 摘 要： | 汶川地震中震区公路隧道洞口段破坏严重,严重影响了震区生命线工程的畅通.为提高震区公路隧道洞口段的抗震能力,结合公路隧道洞口段震害情况对其震害机理进行了研究.研究结果表明,洞门、边仰坡及明洞震害主要是地震惯性力作用造成的:软岩隧道洞口段衬砌震害主要是地震惯性力和强制位移造成的.文章根据隧道洞口段的震害机理,提出了相应的抗震对策.研究结果对于进一步研究高烈度地震区公路隧道震害机理及抗震对策都有着重要的意义.
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| 关 键 词： | 洞口段 地震惯性力 强制位移 震害机理 抗震对策 |
Study of the Earthquake Damage Mechanism and Aseismatic Countermeasure of a Highway Tunnel Portal Section in the Wenchuan Seismic Disaster Area |
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| Cui Guangyao
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Wang Mingnian
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Lin Guojin
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Zhang Weiqing
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Wang Weijia.Study of the Earthquake Damage Mechanism and Aseismatic Countermeasure of a Highway Tunnel Portal Section in the Wenchuan Seismic Disaster Area[J].Modern Tunnelling Technology,2011(6):6-10,22. |
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| Authors: | Cui Guangyao Wang Mingnian Lin Guojin Zhang Weiqing Wang Weijia |
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| Institution: | Cui Guangyao1 Wang Mingnian1 Lin Guojin2 Zhang Weiqing1 Wang Weijia1(1 School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,2 Highway Planning,Survey,Design and Research Institute,Sichuan Provincial Communications Department,Chengdu 610041) |
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| Abstract: | Earthquakes destroyed a tunnel portal section in the earthquake region of Wenchuan,and this seriously affected the lifeline engineering of this seismic area.This study focuses on the mechanism of earthquake damage in order to improve the seismic capacity of highway tunnel portal sections and summarizes earthquake damage information regarding highway tunnel portal sections.Results show that earthquake damage to tunnel portal structures,slopes around the tunnel entrance and opencut tunnels are mainly attribut... |
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| Keywords: | Portal section Seismic inertial force Forced displacement Earthquake damage mechanism Earthquake countermeasures |
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