越江通道围堰施工优化与稳定性分析  

OPTIMIZATION AND STABILITY ANALYSIS OF COFFERDAM CONSTRUCTION FOR CROSS RIVER PASSAGE

作　　者：蔡群群 Cai Qun-qun

机构地区：[1]上海城建市政工程(集团)有限公司,上海200065

出　　处：《建筑技术开发》2023年第8期44-46,共3页Building Technology Development

摘　　要：海口文明东越江通道穿越南渡江,项目采用围堰明挖法施工,大体量围堰原设计为填砂法施工,经优化,围堰施工方案改为吹填法,优化后的围堰结构满足了设计的防渗与稳定要求,并且提前完成了围堰合拢目标,为完成项目总工期节点创造有利条件。The Haikou civilization Dongyue river passage crosses the Nandu river,and the project adopts the cofferdam open excavation method for construction.The original design of the large volume cofferdam was sand filling method,but after optimization,the cofferdam construction plan was changed to hydraulic filling method.The optimized cofferdam structure meets the anti-seepage and stability requirements of the design,and the goal of cofferdam closure has been achieved ahead of time,creating favorable conditions for completing the overall project schedule node.

关 键 词：钢板桩组合围堰 充泥管袋 越江隧道 

分 类 号：TV551.3[水利工程—水利水电工程]