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海底管道的悬跨是决定海底管道的使用寿命、引发管道疲劳破坏的主要因素。设计期研究并控制悬跨的最大长度,运营期对发现的非设计悬跨采取相应的保护措施,对保证海底管道在役期间安全运行具有重要意义。本文通过调研从不同角度介绍了几种悬跨处理措施,并给出了通常的选取原则。
Submarine pipeline is to determine the span of life of submarine pipelines, pipe fatigue caused the main factor. It is of great significance to study and control the maximum length of the suspension span during the design period and take appropriate protection measures for the non-design suspension found during the operation period, which is of great significance to ensure the safe operation of the subsea pipeline during its service. In this paper, several kinds of suspension treatment measures are introduced from different perspectives, and the general selection principle is given.