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논문 기본 정보

자료유형
학술저널
저자정보
정준모 (인하대학교) 조희상 (인하대학교) 이경훈 (선박안전기술공단) 이영우 (선박안전기술공단)
저널정보
한국해양공학회 한국해양공학회지 한국해양공학회지 제30권 제6호 (통권 제133호)
발행연도
2016.12
수록면
451 - 457 (7page)

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초록· 키워드

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For a carferry with a displacement of 1,633 tonf, a seakeeping analysis-based direct load approach (DLA) was used in Part I of these series, where the final deliverable was the long-term probabilistic acceleration components. In Part II of these series, the tangential acceleration components are explained based on two approaches: a standard called the IMO CSS code and simple formulas with the probable maximum roll and pitch rotations. The subsequent tangential acceleration-induced external force components are also introduced for these two approaches. The lashing strength components were selected from the IMO CSS code. It was assumed that two different vehicles (a car and a truck) were stowed at the most distant locations on the main deck to assume the largest tangential acceleration components and were secured with four steel wires with longitudinal and transverse lashing angles of 45∘. Four cases were considered, with different methods for predicting the acceleration components and different tools for the external loads and lashing strengths involved: cases Rule-LS (rule-based maximum probable roll and pitch angles for predicting the acceleration components in conjunction with LashingSafety), DLA-LS (seakeeping-based long-term acceleration components with LashingSafety), CSS-LC (IMO CSS code-based acceleration components using LashCon), and CSS-LS (IMO CSS code-based acceleration components using LashingSafety). In terms of the acceleration and external force components, the CSS-LC and CSS-LS results are more than two times the results of Rule-LS. Thus, when the external forces and lashing strengths are evaluated using CSS-LC and CSS-LS, the truck needs more lashing wires, while Rule-LS and DLA-LS predict that the present lashing configuration is on the safe side.

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ABSTRACT
1. 서론
2. 고박 안전도 평가
3. 고박 안전도 벤치마크 연구
4. 결론
References

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UCI(KEPA) : I410-ECN-0101-2017-454-002024058