江苏辐射沙洲小庙洪水道深水航道冲淤观测分析
发布时间：2019-08-24 20:06
【摘要】：吕四10万吨级进港航道为江苏辐射沙洲首条人工开挖深水航道,关于其建设环境、冲淤特点的研究分析对整个辐射沙洲建港都有重要意义。根据对吕四进港航道实测水文、泥沙及地形资料的分析表明:正常天气下航道竣工后月平均淤强约为0.05 m,淤积原因主要为航道疏浚后过水断面增加造成航槽内流速有所减小,使进入水体的浅滩细颗粒泥沙在航道内落淤。但由于深槽区域航道段潮流动力条件较强,泥沙难以大量落淤,从而使得航道整体淤强不大。
[Abstract]:Lu Si 100,000 ton entrance channel is the first manually excavated deep water channel in Jiangsu radiation sandbar. The research and analysis of its construction environment and scouring and silting characteristics is of great significance to the whole radiation sandbar port construction. Based on the analysis of the measured hydrological, sediment and topographic data of the Lushi entrance channel, it is shown that the monthly average siltation strength is about 0.05 m after the completion of the waterway under normal weather. The main reason for the deposition is that the velocity in the channel decreases due to the increase of the cross section after dredging, and the fine sediment entering the water body is silted in the channel. However, due to the strong tidal current dynamic conditions in the deep channel section, it is difficult to desilting a large number of sediment, so that the overall silting strength of the channel is not great.
【作者单位】： 江苏启东吕四港经济开发区管理委员会;中设设计集团股份有限公司;
【分类号】：U612
本文编号：2529159
[Abstract]:Lu Si 100,000 ton entrance channel is the first manually excavated deep water channel in Jiangsu radiation sandbar. The research and analysis of its construction environment and scouring and silting characteristics is of great significance to the whole radiation sandbar port construction. Based on the analysis of the measured hydrological, sediment and topographic data of the Lushi entrance channel, it is shown that the monthly average siltation strength is about 0.05 m after the completion of the waterway under normal weather. The main reason for the deposition is that the velocity in the channel decreases due to the increase of the cross section after dredging, and the fine sediment entering the water body is silted in the channel. However, due to the strong tidal current dynamic conditions in the deep channel section, it is difficult to desilting a large number of sediment, so that the overall silting strength of the channel is not great.
【作者单位】： 江苏启东吕四港经济开发区管理委员会;中设设计集团股份有限公司;
【分类号】：U612
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