Technical Difficulties and Countermeasure Suggestions
in Tunnel&nbsp;Construction
of Ya′an-Linzhi Section of Sichuan Tibet Railway（川藏铁路雅安至林芝段隧道建造面临的主要工程技术难题与对策建议）

赵勇; 石少帅; 田四明; 李国良; 陶伟明; 郭伟东

doi:10.3973/j.issn.2096-4498.2021.07.001

隧道建设 >

2021 , Vol. 41 >Issue 7: 1079 - 1090

DOI: https://doi.org/10.3973/j.issn.2096-4498.2021.07.001

川藏铁路隧道专栏

Technical Difficulties and Countermeasure Suggestions in Tunnel Construction of Ya′an-Linzhi Section of Sichuan Tibet Railway（川藏铁路雅安至林芝段隧道建造面临的主要工程技术难题与对策建议）

赵勇 ,
石少帅 ,
田四明 ,
李国良 ,
陶伟明 ,
郭伟东

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（1. 川藏铁路有限公司，四川成都 610045； 2. 中国铁路经济规划研究院有限公司, 北京 100038；3. 山东大学齐鲁交通学院，山东济南 250002; 4. 中铁第一勘察设计院集团有限公司，陕西西安 710043; 5. 中铁二院工程集团有限责任公司，四川成都 610031）

赵勇(1969—)，男，河南夏邑人，1991 年毕业于石家庄铁道大学, 隧道与地下工程专业, 博士，正高级工程师,主要从事隧道及地下工程领域的科学研究、设计技术咨询和工程管理等工作。 E-mail: jdzxzhaoyong@sina.com。

网络出版日期: 2021-07-29

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Technical Difficulties and Countermeasure Suggestions in Tunnel Construction of Ya′an-Linzhi Section of Sichuan Tibet Railway

ZHAO Yong ,
SHI Shaoshuai ,
TIAN Siming ,
LI Guoliang ,
TAO Weiming ,
GUO Weidong

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(1. Sichuan Tibet Railway Co., Ltd., Chengdu 610045, Sichuan, China;2. China Railway Economic and Planning Research Institute, Beijing 100038, China;3. School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China;4. China Railway First Survey and Design Institute Group Co., Ltd., Xi′an 710043, Shaanxi, China;5. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, Sichuan, China)

Online published: 2021-07-29

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摘要

川藏铁路雅安至林芝段新建线路全长1 018 km，其中,隧道工程长达841 km，隧线比高达82.6%，最长隧道易贡隧道长42.4 km。川藏铁路雅安至林芝段隧道建设面临极端复杂的地质条件、极为艰巨的工程规模、极其恶劣的自然条件、极度敏感的生态环境等世界级挑战，是中国乃至世界上地质条件最复杂、施工难度最大的工程。初步分析川藏铁路雅安至林芝段隧道建设中将要面临的十大主要工程技术难题，结合川藏铁路隧道极端特殊施工环境，从地勘、选线、施工组织、技术与装备创新、防灾减灾、应急救援及环境保护等方面提出对策和建议，以期为川藏铁路勘察、设计、施工、运维等提供借鉴，通过系列化的创新，实现我国从“隧道大国”向“隧道强国”的跨越。

关键词： 川藏铁路隧道; 极端环境; 勘察设计; 施工组织; 防灾救援; 环境保护; 技术难题; 对策建议

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赵勇 , 石少帅 , 田四明 , 李国良 , 陶伟明 , 郭伟东 .

[J]. 隧道建设, 2021 , 41(7) : 1079 -1090 . DOI: 10.3973/j.issn.2096-4498.2021.07.001

Abstract

The total length of the new line from the Ya′an to Linzhi section of the SichuanTibet railway is 1 018 km, of which the total length of the tunnel is 841 km, accounting for 82.6%. The longest tunnel is Yigong tunnel with a length of 42.4 km. The SichuanTibet railway tunnel project faces worldclass challenges such as extremely complex geological conditions, extremely huge engineering scale, extremely severe environmental conditions, and extremely sensitive ecological environment. It is the most complex and difficult tunnel project in China and even around the world. In this paper, ten major engineering technical problems that will be faced in the Ya′anLinzhi section of the SichuanTibet railway are preliminarily analyzed, and based on the extreme construction environment, countermeasures and suggestions are put forward regarding geological prospecting, route selection, construction organization, technology and equipment innovation, disaster prevention and mitigation, emergency rescue and environmental protection, etc. The results can provide reference for the survey, design, construction, operation, and maintenance of the SichuanTibet railway, and a series of innovations will help in realizing a strong "tunnel country" of China.

Key words： SichuanTibet railway tunnel; extreme environment; survey and design; construction organization; disaster prevention and rescue; environmental protection; technical problems; countermeasures and suggestions

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