直径盾构靠近既有结构隔离循环保压注浆技术探析  

Research on Isolated Circulating Pressure Retaining Grouting Technique of Large Diameter Shield Near Existing Structure

作　　者：马宁 陈文 张欣 Ma Ning;Chen Wen;Zhang Xin(Shenzhen Metro Construction Group Co.Ltd.,Shenzhen,Guangdong 518038;Shenzhen Municipal Engineering Quality and Safety Supervision Station,Shenzhen,Guangdong 518034)

机构地区：[1]深圳地铁建设集团有限公司,广东深圳518038 [2]深圳市市政工程质量安全监督总站,广东深圳518034

出　　处：《江西建材》2024年第2期239-240,243,共3页Jiangxi Building Materials

摘　　要：文中以深圳某隧道建设项目为依托,对大直径盾构靠近既有结构隔离循环保压注浆技术进行了分析,并对施工后既有结构的变形进行监测,分析隔离循环保压注浆技术的效益,以保障隧道盾构施工过程中既有结构的安全。Based on a tunnel construction project in Shenzhen,this paper analyzes the isolated circulating pressure retaining grouting technology of large diameter shield near the existing structure,monitors the deformation of the existing structure after construction,and analyzes the benefits of isolated circulating pressure retaining grouting technology to ensure the safety of the existing structure during the tunnel shield construction.

关 键 词：地下空间工程 大直径盾构 循环保压注浆 

分 类 号：U231.3[交通运输工程—道路与铁道工程]