Structural Engineering and Mechanics

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A numerical and experimental approach for optimal structural section design of offshore aluminium helidecks

  • Seo, Jung Kwan (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University) ;
  • Park, Dae Kyeom (The Korea Ship and Offshore Research Institute (The Lloyd's Register Foundation Research Centre of Excellence), Pusan National University) ;
  • Jo, Sung Woo (Department of Naval Architect and Ocean Engineering, Pusan National University) ;
  • Park, Joo Shin (Central Research Institute, Samsung Heavy Industries Co., Ltd.) ;
  • Koo, Jeong Bon (Central Research Institute, Samsung Heavy Industries Co., Ltd.) ;
  • Ha, Yeong Su (Central Research Institute, Samsung Heavy Industries Co., Ltd.) ;
  • Jang, Ki Bok (Central Research Institute, Samsung Heavy Industries Co., Ltd.)
  • Received : 2016.01.26
  • Accepted : 2016.05.03
  • Published : 2016.09.25
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Abstract

Helicopters are essential for supporting offshore oil and gas activities around the world. To ensure accessibility for helicopters, helideck structures must satisfy the safety requirements associated with various environmental and accidental loads. Recently, offshore helideck structures have used aluminium because of its light weight, low maintenance requirements, cost effectiveness and easy installation. However, section designs of aluminum pancakes tend to modify and/or change from the steel pancakes. Therefore, it is necessary to optimize section design and evaluate the safety requirements for aluminium helideck. In this study, a design procedure was developed based on section optimization techniques with experimental studies, industrial regulations and nonlinear finite element analyses. To validate and verify the procedure, a new aluminium section was developed and compared strength capacity with the existing helideck section profiles.

Keywords

Acknowledgement

Grant : BK21플러스

Supported by : 부산대학교

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  1. Experimental assessment of the structural behaviour of aluminium helideck structures under static/impact loads vol.13, pp.sup1, 2018, https://doi.org/10.1080/17445302.2018.1473745