Time-Dependent Ultimate Strength Performance of Corroded FPSOs

被引:11
作者
Kim, D. K. [1 ,2 ]
Liew, M. S. [3 ]
Youssef, S. A. M. [4 ,5 ]
Mohd, M. Hairil [4 ,6 ]
Kim, H. B. [7 ]
Paik, J. K. [4 ]
机构
[1] Univ Teknol PETRONAS, Dept Civil Engn, Tronoh, Perak, Malaysia
[2] Pohang Univ Sci & Technol, Grad Sch Engn Mastership, Pohang, South Korea
[3] Univ Teknol PETRONAS, Fac Geosci & Petr Engn, Tronoh, Perak, Malaysia
[4] Pusan Natl Univ, Lloyds Register Fdn Res Ctr Excellence, Korea Ship & Offshore Res Inst, Pusan, South Korea
[5] Arab Acad Sci Technol & Maritime Transport, Marine Engn Technol Dept, Alexandria, Egypt
[6] Univ Malaysia Terengganu, Maritime Technol Dept, Kuala Terengganu, Terengganu, Malaysia
[7] Hyundai Heavy Ind Co Ltd, Hyundai Maritime Res Inst, Struct Res Dept, Ulsan, South Korea
基金
新加坡国家研究基金会;
关键词
Structural safety; FPSOs; Time-dependent corrosion wastage; Ultimate limit state; Hull girder; Stiffened panel; CORROSION WASTAGE MODEL; HULL OIL TANKERS; LONGITUDINAL STRENGTH; PIPELINE STEEL; RELIABILITY;
D O I
10.1007/s13369-014-1364-4
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Recently, various types of offshore structures are built and constructed to fulfil the high demand of ocean exploration especially in oil and gas industry. In this regards, the deep-water area is becoming more and more important field for exploration activity. Floating production storage and offloading (FPSO) is one of the popular structures used to exploit the sources of oil and gas in subsea area. Basically, FPSO is exposed to ocean environment and thus faces age-related problems such as corrosion damage. In the present study, the time-dependent effect of corrosion wastage on the ultimate limit state-based structural safety assessments of three FPSOs was performed. An empirical time-dependent corrosion wastage model, which was obtained using real corrosion measurement database, was adopted to predict the progress of corrosion damages. Ultimate strengths of stiffened panels and hull girders for converted FPSOs (single hull type and double hull type) were compared with a new-built FPSO. Important insights obtained from the present study were documented.
引用
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页码:7673 / 7690
页数:18
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