关键词：anchors,floating structures, pipelines, risers, subsea foundations

摘要：Highlights Provide a brief introduction about seabed structures and foundations related to deep-sea resource development. Introduce subsea production structures, including subsea manifolds and their foundations (mudmats, suction piles), from a design perspective. Analyze the basic characteristics and design methods of deep-sea pipelines, including subsea pipelines and risers. Introduce the installation and bearing capacity of anchors in deep-sea, and summarize seabed trench influence on anchor capacity.

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