Current Status and Prospects of Research on Tunnel
Frost Damage in Highaltitude and Severely Cold
Region（高海拔严寒地区隧道冻害研究现状及展望）

doi:10.3973/j.issn.2096-4498.2024.02.003

隧道建设（中英文） ›› 2024, Vol. 44 ›› Issue (2): 233-256.DOI: 10.3973/j.issn.2096-4498.2024.02.003

Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region（高海拔严寒地区隧道冻害研究现状及展望）

乔雄1，杨小龙1， *，冯勇2

（1. 兰州理工大学土木工程学院，甘肃兰州 730050； 2. 兰州交通大学土木工程学院，甘肃兰州 730070)

出版日期:2024-02-20 发布日期:2024-03-11
作者简介:乔雄（1980—），男，陕西榆林人，2017年毕业于长安大学，桥梁与隧道工程专业，博士，副教授，主要从事隧道工程的教学与科研工作。Email： qiaoxiong@lut.edu.cn。*通信作者：杨小龙， Email： 1785808363@qq.com。

Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region

QIAO Xiong1, YANG Xiaolong1, *, FENG Yong2

(1. School of Civil Engineering, Lanzhou University of Technology , Lanzhou 730050, Gansu, China; 2. School of Civil Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China)

Online:2024-02-20 Published:2024-03-11

摘要/Abstract

摘要： 针对高海拔严寒地区隧道冻害问题，结合隧道冻害的相关研究，从冻害类型及原因分析、冻害机制、温度场、处置措施等4个方面的现状进行阐述和分析，对当前研究存在的不足和未来的发展方向进行探讨。主要成果为： 1）通过对高海拔严寒地区隧道工程实例进行分析，总结4种冻害类型及4种冻害原因； 2）基于含水风化层冻胀理论、整体性围岩冻胀理论、衬砌背后积水冻胀理论、裂隙水冻胀理论等4种冻胀理论，建立多年冻土区以整体性围岩冻胀理论为主、季冻区以裂隙水冻胀理论为主的多理论联合分析的方法； 3）温度场研究方法分为现场监测、理论解析、模型试验、数值模拟等4种，其中现场监测是对洞内外温度进行监测，而理论分析、模型试验、数值模拟则是对监测结果进行验证分析； 4）冻害处置措施有防排水措施、保温防寒措施、抗冻措施等3种，防冻的关键是将三者相结合进行综合治理； 5）指出冻害机制适用性、温度场研究方法现状、处置措施适用性等方面的不足，未来应在高海拔严寒地区建立多种冻胀理论、多种研究方法综合应用的研究体系，并在隧道防排水、保温防寒、抗冻等方面给出处置措施。

关键词: 隧道工程, 高海拔严寒地区, 冻害机制, 温度场, 处置措施

Abstract: This study addresses the problem of tunnel frost damage in highaltitude and severely cold region based on relevant research. The current status of research on tunnel frost damage is elaborated and analyzed from four aspects: types and causes of frost damage, frost damage mechanisms, temperature field, and treatment measures. The shortcomings of current research and future development directions are explored. The main results include: (1) Through case studies of tunnel projects in highaltitude and severely cold regions, four types and four causes of frost damage are summarized. (2) Based on four frost heave theories, including the theory of frost heave in waterbearing weathered layer, the theory of overall frost heave in surrounding rock, the theory of frost heave in water behind the lining, and the theory of frost heave in fissure water, a multitheory joint analysis approach is established. This approach is primarily based on the theory of overall frost heave in surrounding rock in the permafrost regions and the theory of frost heave in fissure water in the seasonal frozen regions. (3) The research methods for temperature field include onsite monitoring, theoretical analysis, model test, and numerical simulation. Onsite monitoring refers to monitoring of temperature inside and outside the tunnel, while theoretical analysis, model test, and numerical simulation are used to validate and analyze the monitoring results. (4) Measures for addressing frost damage include waterproofing and drainage measures, thermal insulation and cold protection measures, and antifreezing measures. The key to preventing frost damage lies in comprehensive treatment with the three types of measures. (5) The limitations in the applicability of frost damage mechanisms, the current state of temperature field research methods, and the effectiveness of treatment measures are pointed out. In the future, a research system should be established to comprehensively apply various frost heave theories and research methods in highaltitude and severely cold regions. Treatment measures should be proposed in the aspects of tunnel waterproofing and drainage, thermal insulation and cold protection, and frost resistance.

Key words: , tunnel engineering, highaltitude and severely cold region, frost damage mechanism, temperature field, treatment measure

乔雄, 杨小龙, 冯勇. Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region（高海拔严寒地区隧道冻害研究现状及展望）[J]. 隧道建设, 2024, 44(2): 233-256.

QIAO Xiong, YANG Xiaolong, FENG Yong. Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region[J]. Tunnel Construction, 2024, 44(2): 233-256.

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Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region（高海拔严寒地区隧道冻害研究现状及展望）

Current Status and Prospects of Research on Tunnel Frost Damage in Highaltitude and Severely Cold Region

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