水下分段下沉法埋管施工的技术要点  

Technical Key Points of Burying Pipe Construction by Underwater Segmentation Sinking Method

作　　者：沈晓旻 

机构地区：[1]南京市排水管理处,江苏南京210009

出　　处：《中国给水排水》2012年第4期101-108,共8页China Water & Wastewater

摘　　要：以某出水压力管线沉管段敷设的工程实践为例,介绍了在城市内湖(旅游景区)这种特殊的施工地点,实施分段下沉、水下连接、开槽埋管的施工方法和施工中的要点问题。实践表明,该施工方法确保了工程的质量和安全,取得了良好的社会效益和环境效益,可为今后类似工程提供借鉴。Taking the engineering practice oI a pressure plpenne laying as an example,the construction method and the key points of segmentation sinking, underwater joining, grooving and burying pipe at the special construction site in an urban lake （traveling scenic area） are introduced. The practice shows that the construction method can ensure the engineering quality and safety, achieving good social benefits and environmental benefits to provide the reference for the similar projects.

关 键 词：管道施工 分段下沉 埋管 

分 类 号：TU990.3[建筑科学—市政工程]