Combining with Haiyou Harbor Bridge engineering conditions and hydrological climate conditions,the paper describes steel sheet pile cofferdam construction preparations and construction technology procedures,and summarizes construction matters and technical processing meas-ures,with a view to achieve great economic benefits.%结合海游港特大桥的工程概况及水文地质气候情况，对钢板桩围堰施工的准备工作与施工工艺流程进行了阐述，并总结了施工中的注意事项及技术处理措施，以取得良好的经济效益。
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