河道平面形态对挖入式港池布置及进港通航水流条件影响研究

Study on the Influence of river planform on the arrangement and navigable flow condition of excavated harbor basin

挖入式港池具有较好的洪地掩护及高效利用岸线的优点。不同的河道平面形态及港池布置型式对港池及口门区通航水流条件有较大影响,可能影响港池的正常使用效率。文章针对顺直河段(衢江游埠作业区)、微弯凸岸(衢江罗洋作业区)、弯顶凹岸下端(兰江女埠作业区)和弯顶凹岸上端(兰江洲上作业区)四种典型河道形态和三种港池布置型式,采用二维水流数值模拟,分析了港池及口门区通航水流条件,建议采用港池与航道小夹角的布置方案,港池宜选弯顶凹岸上端的洲上作业区。研究成果可供类似工程应用和相关规范制定参考。

The Excavated Harbor basin possess high efficiency of shoreline utilization.Layout of the harbor basin of different river planform have a great influence on the navigation flow conditions of the basin and the entrance area,which may affect the normal use of the harbor basin.In this paper,according to four typical river planforms and three types of harbor basin arrangement,layout and navigation flow conditions of Youbu port,Luoyang port,Nübu port and Zhoushang port had been studied by two-dimensional numerical simulation of water flow,It is suggested to adopt small angle arrangement between basin axis and navigation route,Navigation flow conditions of Zhoushang port is the best.The research results can be used as reference for similar engineering applications and the formulation of relevant specifications.