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近海管线的设计依据,大大不同于陆上管线。这两种类型管线施工情况所要求的设计参数,也大不相同。 因此,近海现场调查的资料数据对管线设计是必不可少的。本文简要地讨论这些资料的获取和利用。 近海管线在其使用寿命期间(有时在施工阶段)必须能够承受异常恶劣环境下的荷载。所以,全面地估计这些荷载,对于近海管线的施工、运行和维护是十分重要的。
Offshore pipeline design basis, greatly different from the onshore pipeline. The design parameters required for the construction of these two types of pipelines are also quite different. Therefore, data from offshore field surveys is essential for pipeline design. This article briefly discusses the availability and utilization of these materials. Offshore pipelines must be capable of withstanding loads in harsh environments during their useful life (and sometimes during the construction phase). Therefore, a full assessment of these loads is very important for the construction, operation and maintenance of offshore pipelines.