| 碳质板岩地层大断面隧道变形控制施工技术 |
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| 引用本文： | 武建广,刘晓翔,王新文.碳质板岩地层大断面隧道变形控制施工技术[J].现代隧道技术,2011,48(2):68-72. |
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| 作者姓名： | 武建广 刘晓翔 王新文 |
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| 作者单位： | 1. 中铁隧道集团有限公司,洛阳,471009
2. 兰渝铁路有限责任公司,兰州,730050 |
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| 摘 要： | 双线大断面铁路隧道通过碳质板岩地层时,极易发生大变形。在现场工程实践和试验的基础上,文章从地质条件、地下水、支护参数、施工工艺等方面着重对碳质板岩地段变形演化机理及引发大变形的各类因素进行了分析,并提出了优化支护参数、加强锚杆对结构变形的控制、注浆纳入工序化管理等控制此类大变形的措施。
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| 关 键 词： | 碳质板岩 大断面隧道 变形控制 |
Deformation Control for Large Profile Tunnel in Carbonaceous Slate Stratum |
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| Wu Jianguang,Liu Xiaoxiang,Wang Xinwen.Deformation Control for Large Profile Tunnel in Carbonaceous Slate Stratum[J].Modern Tunnelling Technology,2011,48(2):68-72. |
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| Authors: | Wu Jianguang Liu Xiaoxiang Wang Xinwen |
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| Institution: | Wu Jianguang1 Liu Xiaoxiang2 Wang Xinwen2(1 China Railway Tunneling Group Co.,Ltd.,Luoyang 471009,2 Lanzhou-Chongqing Railway Co.,Lanzhou 730050) |
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| Abstract: | Large deformations are liable to occur for a double-track railway tunnel with large profile passing through carbonaceous slate stratum.Based on the engineering practice and experiments,the paper analyzes the mechanism of deformation evolution on carbonaceous slate sections and various impacting factors in terms of geological conditions,underground water,support parameters and construction technology.Furthermore it puts forward measures such as optimization of support parameters,structural deformation contro... |
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| Keywords: | Carbonaceous slate Large profile tunnel Deformation control |
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