常规起重船外海无掩护安装大型沉箱施工组织与控制

Construction organization and control of installation of heavy caisson in un-shielded sea using normal floatable crane

在常规情况下,大型沉箱外海无掩护安装须采用大型起重船组,才能克服恶劣海况,确保施工安全,但是,大型起重船组台班费高,船源少,进度与成本难于控制。以福建鸿山热电厂煤码头及引堤工程沉箱安装为实例,总结常规起重船在外海无掩护条件下成功完成大型沉箱安装的施工组织与措施,对类似外海工程沉箱安装具有一定的借鉴作用。

In order to ensure safety,heavy cranes and ships are usually used for installation of heavy caissons in un-shielded sea.But the cost control of heavy cranes and ships is difficult because of high fees.Taking the caisson installation of coal wharf and breakwater of Fujian Hongsan Power Station as an example,this paper summarizes the cost control and construction organization of the installation of large caissons using the normal floatable crane under the condition of un-shielded sea,which may serve as reference for similar projects.