| Uncertainty and joint probability of sea ice loads |
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| 作者姓名： | Liu Defu Yang Yongchun Wang Chao Li Tongkui |
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| 作者单位： | Liu Defu; Yang Yongchun;Wang Chao and Li Tongkui(Ocean University of Qingdao，Qingdao 266003，China)(Tianjin University，Tianjin 300072，China)(China Offshore Oil Design Engineering Corporation，Tianjin 300450，China) |
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| 基金项目： | This study was supported by the National Natural Science Foundation of China. |
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| 摘 要： | Ｕｎｃｅｒｔａｉｎｔｙａｎｄｊｏｉｎｔｐｒｏｂａｂｉｌｉｔｙｏｆｓｅａｉｃｅｌｏａｄｓ￥ＬｉｕＤｅｆｕ；ＹａｎｇＹｏｎｇｃｈｕｎ；ＷａｎｇＣｈａｏａｎｄＬｉＴｏｎｇｋｕｉ（ＯｃｅａｎＵｎｉｖｅｒｓｉｔｙｏｆＱｉｎｇｄａｏ，Ｑｉｎｇｄａｏ２６６００３，...
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| 关 键 词： | Ice load design criteria uncertainty analysis joint probability |
| 收稿时间： | 2/8/1995 12:00:00 AM |
| 修稿时间： | 3/6/1995 12:00:00 AM |
Uncertainty and joint probability of sea ice loads |
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| Liu Defu,Yang Yongchun,Wang Chao,Li Tongkui.Uncertainty and joint probability of sea ice loads[J].Acta Oceanologica Sinica,1995,14(3):439-445. |
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| Authors: | Liu Defu Yang Yongchun Wang Chao and Li Tongkui |
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| Institution: | 1.Ocean University of Qingdao, Qingdao 266003, China2.Tianjin University, Tianjin 300072, China3.China Offshore Oil Design Engineering Corporation, Tianjin 300450, China |
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| Abstract: | Ice load is one of the most important factors for design of marine stuctures in cold sea area.The designcriteria of ice loads for marine structures consist of two parts: level ice thickness and crushing strength. Due to thestrong randomness of the affecting factors on ice thickness and crushing strength, such as ice temperature,air temperature, water temperature,salinity,wind field, numerical simulation method method can not produce satisfactory results. Thispaper proposes a method of uncertainty analysis and joint probabilistic prediction of level ice thickness and crushingstrength instead of traditional ice load criteria for marine structures. |
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| Keywords: | Ice load design criteria uncertainty analysis joint probability |
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