中水深域空間利用構造体の開発 : 半潜水式リング状構造体の検討

概要

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In Japan, space utilization of the ocean has been considered as one of the most important subjects. Therefore we thought out a new type structure for ocean space utilization which can be installed in the ocean of water depth 30〜70m. This structure is composed of a semisubmersible type ring-like structure and supporting foundations. For the sake of investigation of structural feasibility of this ring-like structure, the steps of procedure taken in this paper are as follows ; ( 1 ) concept design of a new type structure, ( 2 ) setting of natural environmental conditions (wind, current, wave, earthquake) and design criteria, ( 3 ) initial structural design, ( 4 ) evaluation of external forces using wind tunnel tests and a source distribution method, ( 5 ) structural response analysis using FEM.
社団法人日本船舶海洋工学会の論文