Reliability-Based Criteria for Fixed Steel Offshore Platforms

[+] Author and Article Information
M. Efthymiou, J. W. van de Graaf, P. S. Tromans, I. M. Hines

Shell International Exploration and Production, Postbus 162, 2501 AN The Hague, The Netherlands

J. Offshore Mech. Arct. Eng 119(2), 120-124 (May 01, 1997) (5 pages) doi:10.1115/1.2829053 History: Received June 01, 1996; Revised October 30, 1996; Online December 17, 2007


The key issue addressed in this paper is the accuracy of structural reliability models for the case of fixed steel offshore structures under extreme storm loading. The emphasis is on engineering accuracy for the purpose of use in decision-making, and more specifically to achieve sufficient accuracy to enable the use of reliability models in deriving design criteria for fixed offshore platforms. These reliability models are used to derive partial load factors for use in conjunction with API LRFD to achieve a target reliability level appropriate for permanently manned installations. These load factors are location-dependent. Further load factors are proposed for the design of new, not normally manned installations.

Copyright © 1997 by The American Society of Mechanical Engineers
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