绞吸挖泥船吹砂修筑围区子堰施工工艺

Construction technology of cutter suctiou dredger pumping sand to build reclamation weir

针对国投湄洲湾石门澳陆域填海一期工程(C标段)原设计方案无法满足快速形成围区、具备吹填条件的问题,研究可行的替代方案。通过分析取土区土质,发现泥砂分层明显,决定采用绞吸挖泥船直接吹砂分层修筑围区子堰、路网的优化方案,满足工程要求,节约了工程成本,缩短工期,发挥绞吸挖泥船的最大效益。

In Meizhou Bay Shimen＇ ao Land Reclamation Phase 1 Project（ C bid）, an ahernative scheme was brought forward to fulfill the demand of forming reclamation area quickly with hydraulic filling conditions, which the original design couldn＇t realize. By analyzing soil quality within sand borrowing area, the optimal scheme of cutter suctiou dredger（CSD） pumping sand directly to build reclamation weir was adopted, which fulfilled the project requirements, saved cost, shortened duration and maximized the overall efficiency of CSD