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Construction condition analysis of Xiaomiaohong waterway artificial deep-water channel at radial sand ridges in north Jiangsu
Author(s): HUANG Zhi-yang, LIU Hong, ZHANG Jian-feng, DING Qi
Pages: 86-
91
Year: 2015
Issue:
12
Journal: Port & Waterway Engineering
Keyword: radial sand ridges; Xiaomiaohong waterway; waterway construction condition; seabed evolution; back silting prediction;
Abstract: 针对在苏北辐射沙洲海域是否具备建设深水航道条件有待深入研究的现状,围绕该海域即将建设的首条人工深水航道——吕四10万吨级深水航道建设工程,在归纳工程海区水沙运动特性和岸滩演变趋势的基础上,结合试挖槽回淤分析和水沙数学模型研究,对辐射沙洲南缘小庙洪水道深水航道的建设条件进行分析和探讨.研究结果表明:小庙洪南水道水流沿深槽、潮动力较强,含沙量总体不大,近期深槽格局相对稳定,为吕四10万吨级深水航道的建设创造了有利条件;正常天气情况下航道回淤强度不大,即使在5 a一遇大风作用下,航道回淤也并不太严重;小庙洪南水道基本具备10万吨级深水航道的建设条件.
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