| 大断面软岩铁路隧道贯通控制要点 |
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| 引用本文： | 解方亮,胡锁滨,张宝永. 大断面软岩铁路隧道贯通控制要点[J]. 现代隧道技术, 2011, 48(2) |
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| 作者姓名： | 解方亮 胡锁滨 张宝永 |
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| 作者单位： | 1. 中铁十九局兰渝铁路项目部,甘肃定西,743001
2. 兰渝铁路有限责任公司,兰州,730050 |
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| 摘 要： | 隧道贯通前后施工中涉及到贯通误差的预计及调整,以及合理的施工方案、科学的施工组织等问题;另外隧道贯通段受力结构复杂,尤其是软弱围岩,经常在贯通后出现围岩收敛过大、初期支护变形开裂等现象,若处理不当,容易造成塌方.文章结合兰渝铁路第I合同段隧道群的施工,介绍了隧道贯通前后的施工控制要点.
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| 关 键 词： | 铁路隧道 贯通测量 受力 施工组织 |
Key Points for the Breaking-through of Large-profile Railway Tunnels in Soft Rocks |
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| Xie Fangliang,Hu Suobin,Zhang Baoyong. Key Points for the Breaking-through of Large-profile Railway Tunnels in Soft Rocks[J]. Modern Tunnelling Technology, 2011, 48(2) |
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| Authors: | Xie Fangliang Hu Suobin Zhang Baoyong |
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| Affiliation: | Xie Fangliang1 Hu Suobin2 Zhang Baoyong1(1 Project Management Department of Lanzhou-Chongqing Railway,China Railway No.19 Construction Bureau Group,Dingxi 743001,2 Lanzhou-Chongqing Railway Co.,Ltd.,Lanzhou 730050) |
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| Abstract: | Error prediction and adjustment as well as reasonable construction option and organization will be concerned with before and after tunnel breaking through.In addition,it is very complex for the structure at the tunnel breaking-through section.Especially in soft rocks,it is very often to have large convergences and deformations and cracking in primary support before and after the breaking-through of tunnel,liable to result in collapse.The key points of construction before and after the tunnel breaking-throug... |
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| Keywords: | Railway tunnel Breakthrough survey Force-bearing Construction organization |
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