中規模浮体式海上空港の構造計画

概要

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The demand for construction of large or middle size airports is nowadays getting stronger and stronger with the increase of air-transportation. This demand, however, will not be satisfied without the effective ocean space utilization in case of countries such as Japan whose land area is relatively narrow comparing with her population, while the research on the planning and planning method of airports constructed in open sea has been rare so far. In this paper, the process and the result of structural planning of a middle size floating airport for open sea are reported. The airport in this plan is a semisubmersible type of floating structure which is composed of a relatively thin deck, a number of slender columns and a large size lower hull. This floating structure is moored by inclined tension legs whose diameter is much larger comparing with that of legs of existing tension leg platforms. Many parameters related to the configuration of the floating structure and the mooring structure were determined by comparison of the results analyzed by using several kinds of static and dynamic computer programs with the proper design criteria. The structural plan with the mooring system proposed in this paper is considered to be a typical type of appropriate ones in open sea.
社団法人日本船舶海洋工学会の論文