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題 名 | Selection of the Width of a Caisson |
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作 者 | Tung, Chi Chao David; Lin, Jaw Guei; | 書刊名 | Journal of Marine Science and Technology |
卷 期 | 19:1 2011.02[民100.02] |
頁 次 | 頁52-57 |
分類號 | 441.53 |
關鍵詞 | Port design; Caisson; Probability; |
語 文 | 英文(English) |
英文摘要 | ABSTRACT This study is concerned with the selection of the width of a caisson. At present, the width is determined based on the consideration that, struck by a prescribed design impulsive breaking wave force, a caisson must remain stable against sliding and rocking. In this study, the problem is formulated in a different way. The equations of equilibrium of a caisson, together with the criteria for the caisson to remain at rest, are used to derive expressions for the selection of the width. The criteria of a rest mode are presented graphically using the applied force as the abscissa and the coefficient of friction between the caisson and the base as the ordinate. The region corresponding to a rest mode is indicated. The present approach gives results that are equivalent to those of the existing approach and, by treating the coefficient of friction and the applied force as random, the safety of a caisson is given in probability terms. |
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