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Load Characteristics of Steel and Concrete Tubular Members Under Jet Fire: An Experimental and Numerical Study

[+] Author Affiliations
Jeong Hyo Park, Bong Ju Kim, Jung Kwan Seo, Jae Sung Jeong, Byung Keun Oh, Sung Hoon Kim, Chang Hee Park, Jeom Kee Paik

Pusan National University, Busan, Korea

Jurek Czujko

Nowatec AS, Asker, Norway

Paper No. OMAE2010-20754, pp. 911-920; 10 pages
  • ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering
  • 29th International Conference on Ocean, Offshore and Arctic Engineering: Volume 2
  • Shanghai, China, June 6–11, 2010
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4910-1 | eISBN: 978-0-7918-3873-0
  • Copyright © 2010 by ASME


The aim of this study was to evaluate the load characteristics of steel and concrete tubular members under jet fire, with the motivation to investigate the jet fire load characteristics in FPSO topsides. This paper is part of Phase II of the joint industry project on explosion and fire engineering of FPSOs (EFEF JIP) [1]. To obtain reliable load values, jet fire tests were carried out in parallel with a numerical study. Computational fluid dynamics (CFD) simulation was used to set up an adiabatic wall boundary condition for the jet fire to model the heat transfer mechanism. A concrete tubular member was tested under the assumption that there is no conduction effect from jet fire. A steel tubular member was tested and considered to transfer heat through conduction, convection, and radiation. The temperature distribution, or heat load, was analyzed at specific locations on each type of member. ANSYS CFX [2] and Kameleon FireEx [3] codes were used to obtain similar fire action in the numerical and experimental methods. The results of this study will provide a useful database to determine design values related to jet fire.

Copyright © 2010 by ASME
Topics: Steel , Concretes , Stress , Fire



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