| 全风化花岗岩浅埋地层超大断面隧道施工工法研究 |
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| 引用本文： | 李树鹏,张俊儒.全风化花岗岩浅埋地层超大断面隧道施工工法研究[J].公路交通技术,2019,35(1):83-90. |
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| 作者姓名： | 李树鹏 张俊儒 |
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| 作者单位： | 中铁第四勘察设计院集团有限公司,武汉,430063;西南交通大学 交通隧道工程教育部重点实验室,成都,610031 |
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| 摘 要： | 为了解决全风化花岗岩浅埋地层超大断面隧道的施工技术问题,以赣(州)龙(岩)铁路新考塘隧道为工程依托,采用数值计算方法对超大断面隧道施工工法进行研究,对比分析了3种施工工法引起的围岩及结构应力特征、隧道支护体系的变形以及施工的可控性,得到"靴型大边墙+加劲拱双侧壁临时横撑开挖法"更适用于新考塘隧道超大断面段施工,并付诸实施,工程实践证明该法可行,可为类似工程施工提供参考。
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| 关 键 词： | 全风化花岗岩地层 超大断面隧道 施工工法对比分析 靴型大边墙+加劲拱双侧壁临时横撑开挖法 |
Study on Construction Technique of Shallow Buried Tunnel with Super Section in Completely Weathered Granite |
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| LI Shupeng,ZHANG Junru.Study on Construction Technique of Shallow Buried Tunnel with Super Section in Completely Weathered Granite[J].Technology of Highway and Transport,2019,35(1):83-90. |
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| Authors: | LI Shupeng ZHANG Junru |
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| Institution: | (China Railway Siyuan Survey and Design Group Co.,Ltd., Wuhan, Hubei 430063;Key laboratory of Transportation Tunnel Engineering, Ministry of Education,Southwest Jiaotong University, Chengdu 610031) |
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| Abstract: | LI Shupeng;ZHANG Junru(China Railway Siyuan Survey and Design Group Co.,Ltd., Wuhan, Hubei 430063;Key laboratory of Transportation Tunnel Engineering, Ministry of Education,Southwest Jiaotong University, Chengdu 610031) |
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| Keywords: | completely weathered granite strata super section tunnel comparison and analysis of construction methods excavation method with boot-shaped side walls+temporary cross bracing on double side walls of stiffened arch |
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