[1]汪勇.巨型溶洞松散回填体内超大断面隧道修建技术[J].高速铁路技术,2023,14(02):43-47.[doi:10.12098/j.issn.1674-8247.2023.02.009]
　WANG Yong.Construction Technology of Super-large Section Tunnel in Loose Backfill of Giant Karst Cave[J].HIGH SPEED RAILWAY TECHNOLOGY,2023,14(02):43-47.[doi:10.12098/j.issn.1674-8247.2023.02.009]
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巨型溶洞松散回填体内超大断面隧道修建技术()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
14卷
期数:
2023年02期
页码:
43-47
栏目:
出版日期:
2023-04-30

文章信息/Info

Title:
Construction Technology of Super-large Section Tunnel in Loose Backfill of Giant Karst Cave
文章编号:
1674-8247（2023）02-0043-05
作者:
汪勇
中铁二院工程集团有限责任公司，成都610031
Author(s):
WANG Yong
China Railway Eryuan Engineering Group Co. ， Ltd. ， Chengdu? 610031 ，China
关键词:
隧道; 巨型溶洞; 回填体; 超大断面; 沉降控制
Keywords:
tunnel; giant karst cave; backfill; super-large section; settlement control
分类号:
U452.2+7
DOI:
10.12098/j.issn.1674-8247.2023.02.009
文献标志码:
A
摘要:
本文介绍了玉京山隧道巨型溶洞、暗河工程难点及其处理方案，针对溶洞回填体内修建隧道这一难题，从结构型式、注浆加固、开挖支护及控制隧道沉降变形等方面进行了深入研究，提出了整体沉降和差异沉降双标准隧道沉降控制技术，保证了超大断面隧道结构安全。本工程施工经验可为同类工程提供借鉴。
Abstract:
This paper introduced the difficulties of construction of the Yujingshan Tunnel in case of giant karst cave and underground river，as well as the treatment schemes. In view of the difficulty of tunneling in the backfill of the karst cave，this paper conducted in-depth study from the aspects of structural type，grouting reinforcement，excavation support，and controlling tunnel settlement deformation，and put forward the double-criteria tunnel settlement control technology of overall settlement and differential settlement to ensure the safety of the super-large section tunnel structure. The practice can provide a reference for similar projects.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2021-11-15
作者简介：汪勇（1975-），男，高级工程师。
更新日期/Last Update: 2023-04-30