WATER-TIGHTNESS OPTIMIZATION STRUCTURE OF SEMI-SUBMERSIBLE STRUCTURE

摘要

The present invention relates to a semi-submersible structure, comprising: a deck (10); and a column (20), wherein a recess (30) is formed between an upper boundary line (31) and a lower boundary line (32) by determining the upper boundary line (31) at a position spaced apart from the maximum operation draft (21) of a column (20) by a set distance and determining the lower boundary line (32) at a position spaced apart from the survival draft (25) of the column (20) by a set distance. Therefore, the lowering of a water-tightness limit line is induced by the structural improvement of disposing the recess at the set position of an offshore structure column such that the water-tightness of a plurality of external openings is improved and height is reduced.;COPYRIGHT KIPO 2018