海底管道跨越航道停输改线综述

摘要

随着我国港口城市的发展，港口大型化已经成为了趋势，所以对原有交叉段或者登陆段海底管道需要进行改造。针对海底管道跨越航道停输改线方法进行介绍，并详细阐述了改线作业的步骤和操作方法，并给出了需要注意的细节。%With development of China's port cities, large-scale port has become a trend, so original cross sections and landing submarine pipelines need be transformed. In this paper,shutdown and reconstruction methods of submarine pipelines across the channel line were introduced, and steps and methods of reconstruction operation to change the line were discussed, and problems that should be considered in the reconstruction were put forward.