[1]崔光耀,韩驰,王明胜,等.高地应力软岩隧道大变形机制及控制技术研究综述[J].高速铁路技术,2023,14(04):13-18.[doi:10.12098/j.issn.1674-8247.2023.04.003]
　CUI Guangyao,HAN Chi,WANG Mingsheng,et al.Review of Mechanism of Large Deformation in Soft Rock Tunnels with High Geo-stress and Its Control Techniques[J].HIGH SPEED RAILWAY TECHNOLOGY,2023,14(04):13-18.[doi:10.12098/j.issn.1674-8247.2023.04.003]
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高地应力软岩隧道大变形机制及控制技术研究综述()
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《高速铁路技术》[ISSN:1674-8247/CN:51-1730/U]

卷:
14卷
期数:
2023年04期
页码:
13-18
栏目:
出版日期:
2023-08-30

文章信息/Info

Title:
Review of Mechanism of Large Deformation in Soft Rock Tunnels with High Geo-stress and Its Control Techniques
文章编号:
1674-8247（2023）04-0013-06
作者:
崔光耀1; 韩驰1; 王明胜2; 王天群3
1.北方工业大学，北京 100144;2.中铁城市发展投资集团有限公司，成都 610000;3.北京市政路桥股份有限公司，北京 100045
Author(s):
CUI Guangyao1; HAN Chi1; WANG Mingsheng2; WANG Tianqun3
1.North China University of Technology ，Beijing? 100144 ，China;2.China Railway City Development and Investment Group Co. ，Ltd. ，Chengdu? 610000 ，China;3.Beijing Municipal Road and Bridge Co. ，Ltd. ，Beijing? 100045 ，China
关键词:
高地应力; 软弱围岩; 隧道工程; 大变形; 控制技术
Keywords:
high geo-stress; weak rock; tunnel engineering; large deformation; control techniques
分类号:
U25
DOI:
10.12098/j.issn.1674-8247.2023.04.003
文献标志码:
A
摘要:
高地应力软岩隧道常常会出现大变形灾害，为深入了解软岩隧道大变形的特征与机制，并消除大变形灾害，分析总结了近年来众多专家学者在大变形方面所做的研究，主要有：（1）在大变形的分级与判定方面，实际工程一般以破坏现象和相对位移量来对大变形进行分级，以围岩变形量、相对变形量、应力比等因素为判定依据；（2）大变形的主要因素有围岩强度、地应力和支护设计，大变形的破坏机制由多种因素共同作用；（3）目前在软岩隧道支护方面的理论成果主要有大变形预测、屈服支护原则、先让后抗理论等，软岩隧道控制技术方面应用范围较广的技术有强支、刚柔并济和联合支护等措施。总结内容可为探索高地应力软岩隧道大变形机制和大变形控制措施提供参考。
Abstract:
Large deformation disasters often occur in soft rock tunnels with high geo-stress. In order to gain a deeper understanding of the characteristics and mechanisms of large deformations in soft rock tunnels，and to mitigate large deformation disasters，this study analyzes and summarizes the research conducted by numerous experts and scholars in recent years. The main findings are as follows：（1）Regarding the classification and determination of large deformations，practical engineering generally categorizes large deformations based on failure phenomena and relative displacement，with factors such as rock deformation，relative deformation，and stress ratio used as criteria for determination. （2）The main factors contributing to large deformations are rock strength，geo-stress，and support design. The failure mechanism of large deformations is a result of the combined effect of multiple factors.（3）The current theoretical achievements in support for soft rock tunnels mainly include large deformation prediction，yield support principles，and the theory of yielding before resisting. Widely applied technical measures for controlling large deformations in soft rock tunnels include strong supports，a combination of rigid and flexible supports，and composite support systems. The conclusions provide a reference for exploring the mechanisms of large deformations in soft rock tunnels with high geo-tress and studying effective measures for controlling large deformations.

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备注/Memo

备注/Memo:
收稿日期：2023-04-18
作者简介：崔光耀（1983-），男，教授。
基金项目：国家自然科学基金项目（52178378）
更新日期/Last Update: 2023-08-30