大西客运专线两宜隧道开裂变形的监测与治理

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Abstract Research purposes :During construction of large section loess tunnels of high-speed railway，the problems of cracking and deformation of the tunnel or slope are often encountered and they will bring about the potential safety hazard to tunnel construction and operation if they are not timely disposed. So it is of great significance to research and control the cracking and deformation of the large section loess tunnels. Based on the cracking and deformation monitoring, research and treatment effect of the Liangyi Tunnel，the systematic and comprehensive measures to deal with such problems are presented.

Research conclusions:(1)The cracking and deformation easily happen on the surface above the tunnel roof and tunnel body of the shallow bias section and large section loess tunnel. Based on the dynamic monitoring，the analysis of the causes for the cracking and deformation and their dangers is made to take the reasonable treatment measures timely and reduce the risk to a minimum level in the tunnel construction and operation. ( 2)The soil loose，the increase of the soil water content and saturation when meeting water, the shallow and bias and the mechanical vibrations are the main cause for cracking and deformation of the Liangyi Tunnel.(3)Taking measures of the clear load reduction，pile reinforcement and slope back pressure can effectively control the cracking and deformation，and it can provide the reference to research and treatment of the deformation of large section loess tunnel of high-speed railway

Key words： high-speed railway tunnel cracking deformation monitoring treatment measure

Received: 03 July 2013

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LI Jing-shan. Monitoring and Control of Cracking and Deformation of Liangyi Tunnel of Datong-Xi an Passenger Dedicated Line[J]. Journal of Railway Engineering Society, 2013, 30(10): 81-86.

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http://tdgcxb.crec.cn/EN/ OR http://tdgcxb.crec.cn/EN/Y2013/V30/I10/81

[1]王建秀，唐益群，朱合华，等.连拱隧道边坡变形的三维监测分析[J].岩石力学与工程学报，2006 (11): 2226 - 2232.
Wang Jianxiu , Tang Yiqun , Zhu Hehua , etc. 3D Monitoring and Analysis of Landslide Deformation Caused by Twin-Arch Tunnel [J].Chinese Journal of Rock Mechanics and Engineering, 2006(11): 2226- 2232.
[2]JTG 042—94，公路隧道施工技术规范[S].
JTG 042—94，Technical Specifications for Construction of Highway Tunnel [ S ].
[3]刘新荣，孙辉，陈晓江，等.黄土连拱隧道二次衬砌的结构分析与监测研究[J].岩土工程学报，2005(6) :695- 697.
Liu Xinrong, Sun Hui, Chen Xiaojiang, etc. Structural Analysis and Monitoring for Secondary Lining of Doubled Arch Tunnel in Loess [J].Chinese Journal of Geotechnical Engineering , 2005 ( 6 ) : 695-697.
[4]刘旭全，王永玺，雷向锋，等.监控量测技术在客运专线大断面黄土隧道中的应用[J].铁道工程学报，2007 (12):352-358.
Liu Xuquan, Wang Yongxi，Lei Xiangfeng, etc. Application of Supervision, Control and Measure Method to Large Section Loess Tunnel of Passenger Dedicated Line [J].Journal of Railway Engineering Society, 2007(12) :352-358.
[5]胡再强，沈珠江，谢定义.结构性黄土的变形特性[J]. 岩石力学与工程学报，2004(24):4142-4146.
Hu Zaiqiang, Shen Zhujiang, Xie Dingyi. Deformation Properties of Structural Loess [J].Chinese Journal of Rock Mechanics and Engineering , 2004(24):4142- 4146.
[6]丁维利，等.郑西客运专线黄土隧道施工地表裂缝调查分析[J].铁道标准设计，2007 ( Z1) :87 - 89.
Ding Weili, etc. Investigation and Analysis on Ground Cracks in Construction of Loess Tunnel in Zhengzhou- Xi an Passenger Dedicated Line [J ].Railway Standard Design , 2007 ( Zl ) : 87-89.
[7]中铁第一勘察设计院集团有限公司.郑西客运专线大断面黄土隧道施工方法与监控技术研究阶段成果报告 [ R].西安:中铁第一勘察设计院集团有限公司，2007.
China Railway First Survey &Design Institute Group Co. Ltd. Stage Construction Method and Monitoring Technology Research Report in Large-section Loess Tunnel of Zhengzhou-Xi' an Passenger Dedicated Line [R].Xi' an: China Railway First Survey &Design Institute Group Co. Ltd, 2007.