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《中国海洋工程》 2004-01
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Reliability-Based Full-Life Cycle Optimum Design of Offshore Jacket Platform

WANG Li-cheng 1 and SONG Yu-pu State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China  
Based on the consideration of operation environment and structural property, an optimum design model of offshore jacket platform is developed in this paper, namely, the reliability-based full-life cycle optimum design model. In this model, the time-dependent reliability assessment method for structural members is established by combination of the decrease of sectional size and performance deterioration of material. The initial investment, maintenance cost and failure loss cost are assembled into the model. The total cost of the platform structure system in its full service period is chosen as the objective function, and the initial reliabilities of the layer elements partitioned in advance are taken as the design variables. Different models are obtained, depending on whether the system reliability constraint is considered or not. This optimum design model can result in the lowest full-life cost and the optimal initial layer reliability of an offshore jacket platform in the design of marine structures. The feasibility of this model is illustrated with an actual jacket platform in the Liaodong Gulf as an example.
【Fund】: ThisworkwasfinanciallysupportedbytheNationalNaturalScienceFoundationofChina (GrantNo .5 9895 410 )
【CateGory Index】: P752
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Chinese Journal Full-text Database 1 Hits
1 LI Gang a, 1, ZHANG Da-yong a, YUE Qian-jin a and Eric C. Spurgeonba State Key Laboratory of Structural Analysis of Industrial Equipment,Dalian University of Technology, Dalian 116024, China bDepartment of Civil and Environmental Engineering, University of Florida,Gainesville, FL 32612, USA;Efficient Approximate Method of Global Reliability Analysis for Offshore Platforms in the Ice Zone[J];中国海洋工程(英文版);2008-02
Chinese Journal Full-text Database 5 Hits
1 KANG Haigui LIU Wei , ZHAI Gangjun XU Facong and FENG ShengState Key Laboratory of Coastal ami Offshore Engineering, Dalian University of Technology, Dalian 116024, China Dalian Marine University, Dalian 116024, China;Multi-Objective Fuzzy Optimum Design Based on Reliability for Offshore Jacket Platforms[J];中国海洋工程(英文版);2001-04
2 FANG Hua-cana, DUAN Meng-lan b, 1, JIA Xing-lanc and XIE Bind a University of Petroleum, Changping, Beijing 102200, China b Department of Mechanical Engineering, Yangtze University, Jingzhou 434023, China c Beijing University of Aeronautics and Astronautics, Beijing 100083, China d Offshore Oil Engineering Co. LTD, Tanggu, Tianjin 300452, China;Fuzzy Fatigue Reliability Analysis of Offshore Platforms in Ice-Infested Waters[J];中国海洋工程(英文版);2003-03
3 ZHANG Yan-kun 1, JIN Wei-liang 2, LI Zhuo-dong 2(1.Civil Engineering Department, Qingdao Institute of Civil Engineering, Qingdao 266033, China; 2.Dept. of Civil Engineering, Zhejiang University, Hangzhou 310027, China);System reliability analysis method for offshore jacket platforms under extreme loads[J];The Ocean Engineering;2001-04
4 JI Shun ying, YUE Qian jin, BI Xiang jun(State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116023, China);Probability distribution of sea ice fatigue parameters in JZ20-2 sea area of the Liaodong Bay[J];The Ocean Engineering;2002-03
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