复杂岩溶地质隧道设计与施工关键技术  

Key Technology of Design and Construction of Complex Karst Geological Tunnels

作　　者：蒲建国 PU Jianguo(Shanghai-Kunming Railway Passenger Dedicated Line Guizhou Co.,Ltd.,Guiyang 550000,China)

机构地区：[1]沪昆铁路客运专线贵州有限公司,贵州贵阳550000

出　　处：《国防交通工程与技术》2023年第1期54-57,共4页Traffic Engineering and Technology for National Defence

摘　　要：复杂岩溶地质隧道在运营过程中易出现渗水、开裂、仰拱上浮等病害,严重威胁高铁运营安全。以贵南铁路为工程背景,详细介绍了加强型防排水设计、二衬设计及施工工艺优化、隧底综合处理等复杂岩溶地质隧道设计与施工关键技术。结果表明:在高铁复杂岩溶隧道建设阶段采取上述措施可有效提升隧道质量,降低隧道运营期发生渗漏水、开裂、掉块等病害的几率,保障运营安全。Complex karst geological tunnels are prone to seepage, cracking, inverted arch floating and other diseases during operation, which seriously threaten the safety of high-speed railway operation. Based on Guizhou-Nanning Railway, this paper introduces in detail the key technologies of design and construction of complex karst geological tunnels, such as enhanced waterproof and drainage design, secondary lining design and construction technology optimization, and tunnel bottom comprehensive treatment. The results show that in the construction stage of complex karst tunnel of high-speed railway, such measures can effectively improve tunnel quality, reduce the probability of water leakage, cracking, falling block and other diseases during tunnel operation, which could ensure operation safety.

关 键 词：岩溶隧道 复杂地质 防排水设计 衬砌 开裂 隧底上浮 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]