A Study of the Design for the Topside Module Support Structure of an Offshore Floater

J. Ocean Eng. Technol. 2010;24(4):53-58.

Song Myung-Keun,Jang Beom-Seon,Ko Dae-Eun

Hull Basic Design Team Samsung Heavy Industries Co. Ltd.,Seoul Offshore Design Center Offshore Basic Engineering Team Samsung Heavy Industries Co. Ltd.,Department of Naval Architecture and Ocean Engineering Dong-Eui University

해양 플로터 상부모듈 지지구조의 설계에 관한 연구

송명근,장범선,고대은

삼성중공업(주) 거제조선소 구조설계팀,삼성중공업(주) 해양기본설계팀 서울해양설계,동의대학교 조선해양공학과

Keywords: Offshore floater, Topside module support structure, Welding design, Welding details, Deep penetration welding, Full penetration welding

핵심용어: 부유식 해양구조물, 상부모듈 지지구조, 용접 설계, 용접 상세, 심 용입 용접, 완전 침투 용접

Abstract

Offshore floater such as FPSO, drillship is composed of topside and hull side, and the interface structure is called topside module support. In this study, practical considerations were investigated for the design of topside module supports, from the concept design stage to the final stage of structural determination, in view of design efficiency and construction productivity. The effects of welding design factors of topside module support, such as welding throat thickness, sectional welding area, and welding man-hours, were compared and analyzed closely with respect to productivity. The current status and problems regarding the application of deep or full penetration welding are discussed, and a direct-calculation method is suggested as a possible solution to these problems.