Assessment of flxed jacket platform using incremenetal wave analysis
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Date
2014
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Show full item recordAbstract
Jacket-type offshore platforms play an important role in oil and gas industries in shallow and intermediate water depths such as Persian Gulf region. Such important structures need accurate considerations in analysis, design and assessment procedures. Incremental wave analysis for performance-based assessment of jacket platforms is established in 2011 to estimate different limit states and accurate behavior of jacket platform against environmental wave loading. IWA can be appropriate substitute to current pushover practice. The IWA can estimate the collapse-prevention limit state of jacket platforms properly. In addition, an appropriate parameter for ultimate capacity of offshore platforms is introduced which is called Collapse Wave Height (CWH). The CWH can be utilized as a substitute to RSR parameter in the design and assessment of jacket platforms. In this paper, IWA is explained. IWA curves, collapse-prevention limit state and CWH for case study platform is calculated. Effect of deck mass and its distribution on CWH is examined.Journal
Journal of Marine Science and TechnologyVolume
14Issue/Article Nr
4Page Range
pp.98-107Collections