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T형 리프팅 러그의 최종강도 평가와 설계

Ultimate Strength Assessment and Design of T type Lifting Lug

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참고문헌

키워드

주제분류조선공학

초록

Lifting lugs are frequently used in shipyard to transport and turn over blocks of ship and offshore structures. As the shipbuilding technology develops, blocks has become bigger and bigger, and block management technology takes a more important role in shipbuilding to enhance the productivity. For the sake of economic as well as safe design of lug structure, more rational design procedure based on the rigorous structural analysis is needed. This study is concerned with the optimum design of T type lug which is frequently used in shipyard. The optimum thickness of lug's main body is to be determined based on the results of non-linear strength analysis. As far as the present results for the present T type lugs having different capacity are concerned, it seems to be necessary to review the current design procedure of lug structure. The present design procedure can be extensively used in design of various types of lug structures used in shipyard.

Abstract

Lifting lugs are frequently used in shipyard to transport and turn over blocks of ship and offshore structures. As the shipbuilding technology develops, blocks has become bigger and bigger, and block management technology takes a more important role in shipbuilding to enhance the productivity. For the sake of economic as well as safe design of lug structure, more rational design procedure based on the rigorous structural analysis is needed. This study is concerned with the optimum design of T type lug which is frequently used in shipyard. The optimum thickness of lug's main body is to be determined based on the results of non-linear strength analysis. As far as the present results for the present T type lugs having different capacity are concerned, it seems to be necessary to review the current design procedure of lug structure. The present design procedure can be extensively used in design of various types of lug structures used in shipyard.

참고문헌 (12)

  1. American Society of Mechanical Egineers (ASME), "ASME-BTH–1; Design of Below-the-Hook Lifting Devices", ASME, ~ (2008)
  2. Ham, J. K., "Development of the Design System for the Lifting Lug Structure", Journal of the Society of Naval Architects of Korea, 38(1), pp.86~98 (2000)
  3. 허남학, "리프팅 러그의 구조 강도 평가", 대한조선학회 논문집, 51(1), pp.42~50 (2014), 대한조선학회
  4. 김상일, "리프팅 러그 재사용율 제고를 위한 설계", 대한조선학회 논문집, 40(4), pp.9~65 (2003), 대한조선학회
  5. 김상일, "블록 리프팅 시 Hopper Tank부 균열 발생 가능성 검토를 위한 구조해석", 한국해양공학회지, 20(1), pp.16~19 (2006), 한국해양공학회
  6. 구남국, "최적 러그 배치를 위한 골리앗 크레인의 와이어 로프와선체 블록간의 동적 접촉력 계산", 한국전산구조공학회논문집, 25(5), pp.375~380 (2012), 한국전산구조공학회
  7. Lee, J.S., "The Evaluation of the Structural Stress for the T type Lifting Lug", Proceedings of the Joint Conference of the Korean Association of Ocean Science and Technology Societies (KAOSTS), pp.2306~ (2013)
  8. Lee, J.S., "The Strength Assessment and Design of T-type Lifting Lug", Proceedings of the Joint Conference of the Korean Association of Ocean Science and Technology Societies (KAOSTS), pp.814~819 (2014)
  9. Lee, S.J., "Strength assessment of padeye hole and lug structure assessment of block lifting lug through experiments", Proceeding of the Korea Association of Ocean and Technology Societies, pp.597~606 (2012), EXCO
  10. A Study on the Optimization of Lifting Lug for Block Erection, "Min, D.K.", Special Issue of the Society of Naval Architects of Korea, 82~89 (2011)
  11. Design and Strength Analysis of Lifting Lugs, "Seo, S.K.", Special Issue of the Society of Naval Architects of Korea, 51~54 (2011)
  12. Simulia, "Introduction to Abaqus" (2013), BB-Media

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