盾构隧道结构耐久性问题思考  

Consideration on Issues about Structural Durability of Shield Tunnels

作　　者：何川[1] 封坤[1,2] 孙齐[1] 王士民[1] 

机构地区：[1]西南交通大学交通隧道工程教育部重点实验室,四川成都610031 [2]西南交通大学中日RSC结构研究中心,四川成都610031

出　　处：《隧道建设（中英文）》2017年第11期1351-1365,共15页Tunnel Construction

基　　金：国家重点研发计划课题(2016YFC0802202);国家自然科学基金(51578462,51578461,U1361210)

摘　　要：盾构隧道衬砌结构耐久性问题是一个从细观材料到宏观结构的跨尺度问题, 随着盾构隧道建设数量的日益增长, 其结构耐久性问题愈发凸显.阐述国内外代表性盾构隧道衬砌应用情况;分析盾构隧道管片结构服役状态及病害型式;总结影响盾构隧道结构耐久性的因素, 主要包括材料因素、 设计因素、 环境因素、 施工因素及管理和维护因素.从盾构隧道耐久性能、 耐久性评估与预测以及耐久性保障措施等方面综述国内外在盾构隧道耐久性研究上取得的成果及进展.最后从复杂环境管片结构的耐久保障技术, 灾害、 事故的影响、 评估与修复, 二次衬砌的设置, 衬砌结构耐久性动态评估体系的构建等方面讨论盾构隧道结构耐久性研究尚存在的问题及进一步研究的方向.Structural durability of shield tunnel lining is a trans-scale problem from mesoscopic material to macroscopic structure.With increasing amount of shield tunnel construction in China,the issues related to structural durability become more prominent.In this paper,the typical applications of shield tunnel lining in China and other countries are introduced.The service conditions and diseases of shield tunnel lining structure are then analyzed.The factors affecting the structural durability of shield tunnel lining,such as material,design,environment,construction,management and maintenance,are summarized.The research results and progress related to structural durability of shield tunnel lining are then reviewed in terms of tunnel durability,durability evaluation and prediction,durability ensuring techniques.Finally,the existing problems and future research directions in structural durability of shield tunnel lining are discussed in terms of durability ensuring techniques,impact of diseases and accidents,tunnel evaluation and rehabilitation,arrangement of secondary lining and establishment of dynamic evaluation system for structural durability.

关 键 词：盾构隧道 管片衬砌 耐久性 隧道病害 研究进展 展望 

分 类 号：U451.4[建筑科学—桥梁与隧道工程]