预应力混凝土U形板桩在软土地基防渗中的应用  

Application of prestressed concrete U-shaped sheet pile in anti-seepage enclosure of soft soil foundation

作　　者：孙倩平 SUN Qianping(Zhongshan Torch High Tech Industrial Development Zone Water Affairs Center,Zhongshan 528400,China)

机构地区：[1]中山火炬高技术产业开发区水务事务中心,广东中山528400

出　　处：《水科学与工程技术》2024年第5期83-87,共5页Water Sciences and Engineering Technology

摘　　要：软土地基防渗围封设计与选型是水利工程建设与管理关注的重点。以火炬开发区孖涌泵站工程为例,从应用依据、方案选型、控制过程、运用效果等方面,全面介绍了预应力混凝土U形板桩在珠三角软土地区水利工程基底垂直防渗围封中的应用。结果表明,预应力混凝土U形板桩在使用耐久性、施工便捷性、成桩质量、工期进度等方面均具有优势,在做好设计与施工控制的情况下,具有良好的基底防渗效果,可为软土地区类似工程基底防渗围封选型提供参考。The design and selection of anti-seepage enclosure for soft soil foundation have always been a focus of attention in water conservancy engineering construction and management.Taking the Mazong Pumping Station Projectin Torch Development Zone as an example,this article comprehensively introduces the application of prestressed concrete U-shaped sheet piles in the vertical anti-seepage enclosure of foundation in water conservancy engineering in the Pearl River Delta soft soil area from the aspects of application basis,scheme selection,process control,and application effect.The results show that prestressed concrete U-shaped sheet piles have advantages in durability,construction convenience,pile quality,and construction schedule.With good control of design and construction,they have good anti-seepage effect on the foundation and can provide reference for the selection of anti-seepage enclosure for similar projects in soft soil areas.

关 键 词：预应力混凝土U形板桩 垂直防渗围封 方案选型 设计与施工控制 

分 类 号：TV4[水利工程—水工结构工程]