高水压盾构隧道管片接缝防水研究现状与展望  

Review and prospect of waterproofing of segment joints of shield tunnel with high hydraulic pressure

作　　者：王士民[1] 谢宏明[1] WANG Shimin;XIE Hongming(Key Laboratory of Transportation Tunnel Engineering of the Ministry of Education,Southwest Jiaotong University,Chengdu 610031,Sichuan,China)

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

出　　处：《隧道与地下工程灾害防治》2020年第2期66-75,共10页Hazard Control in Tunnelling and Underground Engineering

基　　金：国家自然科学基金资助项目(51991394)。

摘　　要：随着我国水下盾构隧道建设的快速发展,管片接缝防水问题愈发凸显,盾构隧道承受的水压也日趋增高,对隧道的防水安全提出了严峻挑战,高水压盾构隧道防水已逐渐成为国内外研究的热点。针对高水压盾构隧道管片接缝防水在设计阶段、施工阶段及长期运营阶段可能存在的问题,综述了国内外相关的重要研究,主要包括:密封垫材料选择、截面设计、角部加工、多道密封垫的布置方式、螺栓孔防水、密封垫的数模及试验分析、地震作用下的密封垫防水性能及密封垫材料老化的长期耐久性评价。讨论了尚存的问题以及相关防水问题的研究趋势。With the rapid development of underwater shield tunnel construction in China,the waterproof problem of segment joints is becoming more and more prominent,and the hydraulic pressure on shield tunnel is also increasing,which poses a severe challenge to the waterproof safety of the tunnel.The waterproofing of shield tunnel with high hydraulic pressure has gradually become a hot topic at home and abroad.Aiming at the possible problems in the design stage,construction stage and long-term operation stage of segment joint waterproofing of shield tunnel with high hydraulic pressure,the relevant important research at home and abroad were summarized,mainly including:material selection,section design,corner processing,arrangement of multi-channel sealing gasket,waterproof of bolt hole,numerical simulation and test analysis of sealing gasket,waterproof performance of sealing gasket under earthquake action and long-term durability evaluation of aging sealing gasket material.The existing problems and the research trend of related waterproof problems were discussed.

关 键 词：盾构隧道 管片接缝防水 高水压 现状与展望 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]