浅埋大跨度暗挖车站单层初支拱盖法技术研究  

Research on the Arch Cover Technique of Single-Layer Initial for Shallow Buried Large Span Underground Station

作　　者：资斌全 资鹏 李鸿磊 ZI Bin-quan;ZI Peng;LI Hong-lei(Ranken Railway Construction Group Co.Ltd.,Chengdu 610000,China)

机构地区：[1]中铁隆工程集团有限公司,成都610000

出　　处：《工程建设与设计》2023年第11期171-173,共3页Construction & Design for Engineering

摘　　要：针对浅埋大跨度暗挖车站单层初支拱盖法技术进行研究,以实际工程案例为抓手,着重强调单层初支拱盖法施工过程中的关键技术应用,面对浅埋大跨度及复杂周边环境等难题,构建稳定可靠的拱盖结构,保证建设活动安全稳定进行。对超前支护技术、帷幕注浆技术、格栅钢架技术、预应力锚杆技术、混凝土喷射技术、二次衬砌技术等核心要点进行了详细分析,确保单层初支拱盖法技术在浅埋大跨度暗挖车站施工中运用的科学性、合理性和可行性。This paper studies the arch cover technology ofsingle-layer initial buttressed in shallow buried large-span underground excavation station,and emphasizes the application ofkey technologies in the construction process of single-layer initial buttressed arch cover with practical engineering cases.In the face of problems such as shallow buried large-span and complex surrounding environment,a stable and reliable arch cover structure is constructed to ensure the safe and stable construction activities.The key points such as advanced support technology,curtain grouting technology,grid steel frame technology,prestressed anchor rod technology,concrete injection technology,secondary lining technology are analyzed in detail to ensure that the single-layer initial support arch cover technology is scientific,rational and feasible in the construction of shallow buried large-span underground station.

关 键 词：地铁工程 浅埋大跨度 暗挖车站 单层初支 拱盖法 

分 类 号：U455[建筑科学—桥梁与隧道工程]