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Analysis of layout scheme of entrance of encircled basin along muddy coast
Author(s): 
Pages: 17-23
Year: Issue:  1
Journal: Hydro-Science and Engineering

Keyword:  muddy coastlayout of basinentrance of basinback-siltation;
Abstract: 以资料分析为基础,利用数学模型计算分析的手段,针对当地旋转流和黏性泥沙的运动特性,从水流、泥沙角度对连云港徐圩港区港池布置方案中的口门位置、口门宽度和布置形式进行了论证.分析认为,由于岸滩坡度较缓,大风天破波带影响范围较广,同时被波浪掀起的细颗粒泥沙可被潮流远距离输送,因此从减小泥沙回淤角度来看,港池应采用双环抱形式,而口门应布置在连云港理论基准面高程-5 m(破波区)以外,以此可以降低破波带内悬浮泥沙进入港池和外航道的可能性.同时分析论证认为,初期方案口门不宜过窄,以减小口门的水流强度;口门采用“八字”型布置,可以提高口门航道船舶航行和近口门泊位靠离泊的安全性.上述港池布置方案建议已被设计院接受并在实施方案中体现,可供类似港口布置方案借鉴参考.
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