太仓武港码头洪枯季水沙特性变化分析  

Analysison variation of water and sediment characteristics during flood and low water period of Wugang Wharf,Taicang

作　　者：马追 王付坤 周同第 杨树刚 刘鹏飞 MA Zhui;WANG Fu-kun;ZHOU Tong-di;YANG Shu-gang;LIU Peng-fei(CCCC Third Harbor Consultants Co.,Ltd.,Shanghai 200032,China)

机构地区：[1]中交第三航务工程勘察设计院有限公司,上海200032

出　　处：《水运工程》2022年第6期73-77,共5页Port & Waterway Engineering

摘　　要：针对季节性径流对河口区域水动力条件影响较大的问题,对长江太仓武港码头进行了洪枯季水沙特性变化研究。采用原型观测的方法,将2018—2019年洪枯两季潮位、潮流、含沙量、悬移质和底质测验数据进行对比,分析了工程区域洪、枯季水沙特性变化。结果表明:工程区域潮位变化受径流影响明显;工程区域为典型往复流,洪枯季涨落潮流向基本一致;水文测验期间枯季含沙量整体上略小于洪季含沙量,差异幅度为5.88%~25.67%;洪枯季悬移质中值粒径基本相同;底质组成主要为黏质粉土、黏性土、细砂。Aiming at the problem that seasonal runoff has a great impact on the hydrodynamic conditions in the estuary area,the variation of water and sediment characteristics in flood and dry seasons of Wugang Wharf,Taicang in the Yangtze River is studied.We compare the test data of tide level,tidal current,sediment concentration,suspended load and sediment in flood and dry seasons of Wugang Wharf,Taicang from 2018 to 2019 by prototype observation method,and analyze the changes of water and sediment characteristics in flood and dry seasons in the project area.The results show that the change of tidal level in the project area is obviously affected by runoff;The project area is a typical reciprocating flow,and the fluctuation trend is basically the same in flood and dry seasons;During the hydrological test,the sediment concentration in dry season is slightly lower than that in flood season,and the difference range is 5.88% ~ 25.67%;The median particle size of suspended load in flood and dry seasons is basically the same;The bottom material is mainly composed of cohesive silt,cohesive soil and fine sand.

关 键 词：洪枯季 潮位 潮流 含沙量 

分 类 号：TV148.5[水利工程—水力学及河流动力学] U65[交通运输工程—港口、海岸及近海工程]