The report presents a systematic analysis of foundation systems for seafloor installations. Current and foreseeable Navy needs for seafloor installations are summarized, and the foundation requirements for such installations are defined in terms of four foundation requirement parameters. Environmental conditions and technological capabilities, major influences in the process of selecting a foundation system, are defined in terms of design constraints. These include seafloor type, which ranges from weak and compressible ...
A review of the state-of-the-art of the emplacement and design of seafloor pile foundations/anchorages was conducted. Several concepts for emplacement mechanisms suitable for use in water depths to 6,000 feet were considered, and a preliminary effectiveness evaluation of the mechanisms was conducted to reduce the number of systems for further investigation. The state-of-the-art review indicates that marine drilling techniques and equipment could be readily adapted for deep-ocean pile emplacement for ...
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