富水卵石地层大直径盾构机近距离下穿既有车站技术研究  

Research on the Technology of Large Diameter Shield Machine in Water-Rich Pebble Formation

作　　者：张旭丹 ZHANG Xudan(Municipal Construction Co.,Ltd.,17th Bureau Group,Wuxi 214000,Jiangsu,China)

机构地区：[1]中铁十七局集团市政建设公司,江苏无锡214000

出　　处：《流体测量与控制》2024年第6期74-80,共7页Fluid Measurement & Control

摘　　要：随着城市轨道交通的发展,盾构掘进下穿既有车站工程越来越多。结合成都轨道交通17号线二期浣省区间盾构下穿既有线车站施工,对在砂卵石地层中大直径盾构机近距离下穿既有车站进行技术研究。详细分析了既有车站保护措施及盾构掘进控制技术,为类似工程提供参考。With the development of urban rail transit,there are more and more existing station projects under shield tunneling.Based on the construction of the existing shield tunneling station in the second phase of Chengdu Rail Transit Line 17,this paper studies the technical research of the large diameter shield machine in the sand pebble formation.The protection measures of existing stations and shield tunneling control technology are analyzed in detail to provide reference for similar projects.

关 键 词：砂卵石地层 既有线车站 大直径盾构机 掘进控制 

分 类 号：U455.43[建筑科学—桥梁与隧道工程]