垂直套管技术辅助长距离越江隧道测量的研究与应用  

Study on Vertical Casing Technique Assisted in Measurement of Long-distance Cross-river Tunnels

作　　者：梁东青 LIANG Dongqing(Shanghai Foundation Engineering Group Co.,Ltd.,Shanghai 200002,China)

机构地区：[1]上海市基础工程集团有限公司,上海200002

出　　处：《建筑施工》2024年第8期1331-1333,1337,共4页Building Construction

基　　金：上海城市非开挖建造工程技术研究中心、上海市科学技术委员会项目(18DZ2283100)。

摘　　要：对于长距离隧道而言,测量过程中的累计误差将会使贯通精度超出隧道设计要求,从而使得盾构机无法顺利进入接收井。以天然气主干管网崇明岛—长兴岛—浦东新区五号沟LNG站工程隧道B线管道工程为背景,研究了垂直套管技术在长距离越江隧道测量中的实际应用,详细介绍了垂直套管技术的实施过程,包括技术原理、施工方法和施工要点等方面。垂直套管技术对于隧道测量的实际应用具有显著的技术优势及经济价值,在长距离或测量受限的地下暗挖工程中,可有效解决轴线精度控制及累计测量误差等问题,为类似施工提供借鉴。For long-distance tunnels,cumulative errors in the measurement process can lead to penetration accuracy exceeding the tunnel design requirements,preventing the shield machine from entering the receiving well smoothly.Based on the natural gas pipeline network project from Chongming Island to Changxing Island to Pudong New Area Wuhaogou LNG Station Pipeline Project Tunnel Line B,the practical application of vertical casing technique in long-distance cross-river tunnel measurement is studied.The implementation process of vertical casing technique is detailed,including its technical principles,construction methods,and key construction points.Vertical casing technique demonstrates significant technical advantages and economic value in the practical application of tunnel measurement.It effectively addresses axis accuracy control and cumulative measurement error issues in long-distance or measurement-restricted underground excavation projects,providing a valuable reference for similar construction projects.

关 键 词：长距离隧道 隧道测量 盾构施工 垂直套管技术 

分 类 号：TU753.3[建筑科学—建筑技术科学]