| 浅埋大跨度隧道施工方法的比选与应用 |
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| 引用本文： | 黄龙湘,杨元洪,贺威,阳军生.浅埋大跨度隧道施工方法的比选与应用[J].中南公路工程,2011(5):25-32. |
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| 作者姓名： | 黄龙湘 杨元洪 贺威 阳军生 |
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| 作者单位： | 中南大学土木建筑学院;湖南省长湘高速公路建设开发有限公司; |
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| 基金项目： | 交通运输部长湘高速公路资源节约型和环境友好型科技示范工程攻关项目(CXKJSF0106-1) |
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| 摘 要： | 结合京珠复线长湘高速公路三车道隧道工程，采用数值模拟对双侧壁导坑法、三台阶法施工隧道围岩和支护系统变形及受力特点进行对比分析，并结合现场施工应用情况，对比分析两种工法的优缺点。研究结果表明，双侧壁导坑法施工在控制围岩变形及地面沉降方面优于三台阶法，且产生的围岩塑性区较小，但两种工法施工均能满足围岩及支护稳定性的要求；三台阶法在施工进度、资源利用、造价、工序转化及施工难度方面具有优势，长沙地区浅埋大跨度隧道采用三台阶法施工，可以保证施工的安全、快速、高效。
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| 关 键 词： | 浅埋大跨度隧道 施工方法 双侧壁导坑法 三台阶法 |
Comparative Analysis and Application of The Construction Method in Shallow Large Span Tunnel |
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| HUANG Longxiang,YANG Yuanhong,HE Wei,YANG Junsheng.Comparative Analysis and Application of The Construction Method in Shallow Large Span Tunnel[J].Central South Highway Engineering,2011(5):25-32. |
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| Authors: | HUANG Longxiang YANG Yuanhong HE Wei YANG Junsheng |
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| Institution: | HUANG Longxiang1,YANG Yuanhong1,HE Wei1,2,YANG Junsheng1(1.College of Civil Engineering and Architecture,Central South University,Changsha,Hunan 410075,China,2.Hunan Changxiang Expressway Construction and Development Co.,Ltd.Changsha,China) |
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| Abstract: | The thesis takes a three-lane tunnel construction of a double track from Beijing-Zhuhai Expressway,the Changsha-Xiangtan highway as an example.It carry out comparative analysis of deformation and stress situation in the tunnel surrounding rocks and the support system through numerical modeling of double side drift method and three bench method,and compares the advantages and disadvantages between the two construction methods with a consideration of the real application on the construction site.The study sho... |
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| Keywords: | shallow large span tunnel construction method double side drift method three bench method |
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