| 连拱隧道两种工法的施工力学分析 |
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| 引用本文： | 贾永刚,王明年.连拱隧道两种工法的施工力学分析[J].铁道工程学报,2004(1):123-126,104. |
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| 作者姓名： | 贾永刚 王明年 |
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| 作者单位： | 1. 北京城建设计研究总院有限责任公司,北京,100037
2. 西南交通大学地下工程系,四川,成都,610031 |
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| 摘 要： | 目前在连拱隧道施工中均不同程度地出现了围岩坍塌、已修筑的衬砌产生大面积裂缝等问题。为此，本文通过有限元方法对渝怀线金洞隧道出口段连拱隧道两种不同施工方法下的洞周位移、衬期支护的内力、安全系数等进行了分析，得出一些有意义的结论，可作为连拱隧道施工时参考。
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| 关 键 词： | 连拱隧道 施工力学 围岩坍塌 隧道衬砌 大面积裂缝 有限元分析 渝怀铁路 洞周位移 安全系数 |
| 文章编号： | 1006-2106(2004)01-0123-04 |
RESEARCH ON CONSTRUCTION MECHANICS OF TWO KINDS OF CONSTRUCTION METHOD OF DOUBLE-ARCH TUNNEL |
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| JIA Yong-gang,WANG Ming-nian Beijing Urban Engineering Design and Research Institute Co. Ltd, Dept of Underground Engineering,Southwest Jiaotong University.RESEARCH ON CONSTRUCTION MECHANICS OF TWO KINDS OF CONSTRUCTION METHOD OF DOUBLE-ARCH TUNNEL[J].Journal of Railway Engineering Society,2004(1):123-126,104. |
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| Authors: | JIA Yong-gang WANG Ming-nian Beijing Urban Engineering Design and Research Institute Co Ltd Dept of Underground Engineering Southwest Jiaotong University |
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| Affiliation: | JIA Yong-gang,WANG Ming-nian 1Beijing Urban Engineering Design and Research Institute Co. Ltd, 2Dept of Underground Engineering,Southwest Jiaotong University |
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| Abstract: | At present,rock collapse in the construction of double-arch tunnel.Problems of large area crack exist in linings.In this paper author analyses the mechanics of two different construction methods of double-arch tunnel including displacement,force of principal support and safety factor,come to some conclusion,which can provide some reference on construction of double-arch tunnel. |
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| Keywords: | double-arch tunnel construction mechanics |
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