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논문 기본 정보

저자정보
(인하대학교) (인하대학교)
저널정보
대한조선학회 대한조선학회 논문집 대한조선학회논문집 제54권 제5호(통권 제215호)
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    초록·키워드

    A membrane type LNG cargo tank is equipped with a pump tower and a liquid dome for loading and unloading of LNG. However, the membrane running continuously on the tank wall to prevent leakage of LNG is interrupted by the liquid dome, hence care should be taken in the design of liquid dome and its substructures. In case of GTT NO96 membrane type cargo containment system, chair structure is arranged along the periphery of the liquid dome targeting to support the membrane which is exposed to the both hull girder and thermal load. This paper proposes a new and simple chair structure, which outperforms traditional design from productivity point of view maintaining same level of structural safety. Strength assessment on the new design was performed to guarantee the structural safety of the new design, which includes strength, fatigue and crack propagation analysis.

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      UCI(KEPA) : I410-ECN-0101-2018-538-001335897