立体膨胀弯在不稳定海床海底管道维修中的应用

Application of Stereo Expansion Bend in Maintenance ofUnstable Seabed Submarine Pipeline

基于立体膨胀弯的海底管道湿式维修技术的应用包括了立体膨胀弯的设计和安装。该技术综合应用了海底管道挖沟、混凝土涂层清理、管线冷切割、机械连接器安装、水下法兰测量等技术,为海底管道湿式维修提供了较为完整的解决方案。

The application of wet maintenance technology for submarine pipelines based on stereo expansion bends includes the design and installation of stereo expansion bends. The technology integrates such technologies as trenching of submarine pipelines, cleaning of concrete coatings, cold cutting of pipelines, installation of mechanical connectors, underwater flange measurement, providing a relatively complete solution for submarine pipeline wet maintenance.