管线密布下浅埋大跨径广州地铁客村联络线富水砂层段施工技术

Discussion on construction technology of water-rich sand layer in the tie line of Guangzhou Metro Kecun with shallow-buried and longspan under dense pipeline

以广州地铁客村联络线岔口段隧道工程施工为例,简述管线密布条件下浅埋大跨径砂层段隧道的施工方案,重点对方案的选择、技术方法,控制措施、监控量测及管线保护作了阐述。

In this paper, through the construction of the tunnel at the intersection of the kecun link line of guangzhou metro, the paper briefly describes the construction scheme of the shallow buried long-span sand section under the condition of dense tunnel roof pipelines, with emphasis on the selection of the scheme, technical methods, control measures, monitoring measurement and pipeline protection.