International Journal of Naval Architecture and Ocean Engineering

The Society of Naval Architects of Korea (대한조선학회)
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Method for determining the design load of an aluminium handrail on an offshore platform

  • Kim, Yeon Ho (Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Park, Joo Shin (Central Research Institute, Samsung Heavy Industries Co., Ltd.) ;
  • Lee, Dong Hun (Central Research Institute, Samsung Heavy Industries Co., Ltd.) ;
  • Seo, Jung Kwan (Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • Received : 2021.02.10
  • Accepted : 2021.06.28
  • Published : 2021.11.30
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Abstract

Aluminium outfitting is widely used in offshore platforms owing to its anti-corrosion ability and its light weight. However, various standards exist (ISO, NORSOK and EN) for the design of handrails used in offshore platforms, and different suppliers have different criteria. This causes great confusion for designers. Moreover, the design load required by the standards is not clearly defined or is uncertain. Thus, many offshore projects reference previous project details or are conservatively designed without additional clarification. In this study, all of the codes and standards were reviewed and analysed through prior studies, and data on variable factors that directly and indirectly affect the handrails applied to offshore platforms were analysed. A total of 50 handrail design load scenarios were proposed through deterministic and probabilistic approaches. To verify the proposed new handrail design load selection scenario, structural analysis was performed using SACS (offshore structural analysis software). This new proposal through deterministic and probabilistic approaches is expected to improve safety by clarifying the purpose of the handrails. Furthermore, the acceptance criteria for probabilistic scenarios for handrails suggest considering the frequency of handrail use and the design life of offshore platforms to prevent excessive design. This study is expected to prevent trial and error in handrail design while maintaining overall worker safety by applying a loading scenario suitable for the project environment to enable optimal handrail design.

Keywords

Acknowledgement

This work utilised some content from UBJIP (Unified Bulk Joint Industry Project) and was a part of the project titled "Development of guidance for prevent of leak and mitigation of consequence in hydrogen ships", funded by the Ministry of Oceans and Fisheries, Korea.

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