Research Article
Dec 1969
Rick Evaluations for Offshore Structures
Publication: Journal of the Structural Division
Volume 95, Issue 12
Abstract
While storm damage to offshore platforms can be minimized by the expenditure of money and technical effort, the level of risk to be accepted is properly determined by economic considerations. Relationships between the theoretical and actual strength of elements of offshore platforms—the structural frame and its pile foundation—are presented. These are combined with the uncertainty in applied loads to develop such risk criteria as probability of failure due to a given wave and expected number of failures, which are compared with experience offshore. The effect of hurricane recurrence interval is introduced in terms of the average annual risk rate. The objective of economic evaluation is approached via the criterion of first cost plus deferred risk. Emphasis is on obtaining useable results with a minimum of effort. The numerical and graphical procedures are illustrated with specific examples. Limitations of the method are pointed out.
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Published In
Journal of the Structural Division
Volume 95 • Issue 12 • December 1969
Pages: 2907 - 2930
Copyright
© 1969 American Society of Civil Engineers.
History
Published in print: Dec 1969
Published online: Feb 1, 2021
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Peter W. Marshall, M.ASCE
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.