挖入式港池水体交换特征及治理措施研究  

Study on Water Exchange Features and Control Measures in Dredged Harbor Basin

作　　者：刘培 李书瑭 朱金和 刘国珍 LIU Pei;LI Shutang;ZHU Jinhe;LIU Guozhen(Pearl River Scientific Research Institute,Pearl River Water Resources Commission,Guangzhou 510610,China;CCCC Guangzhou Dredging Co.,Ltd.,Guangzhou 510221,China)

机构地区：[1]珠江水利委员会珠江水利科学研究院,广东广州510611 [2]中交广州航道局有限公司,广东广州510221

出　　处：《人民珠江》2018年第10期142-146,共5页Pearl River

摘　　要：单口门挖入式港池的平面布局方式不利于港池内外水体交换,易引起水质恶化。以江苏吕四挖入式港池初拟方案为例,通过建立二维潮流数学模型和对流扩散数学模型,分析了挖入式港池水体交换的特征,并针对水交换问题提出了相应的治理措施。研究结果表明,人工开渠和引入径流的工程治理方式能够有效地提高港池内局部区域的水交换能力,其中人工开渠的位置应根据港池内水交换现状和水渠两端是否存在逐时潮位差这两个条件权衡而定,而引入径流的方式不同治理效果也有差别。The dredged harbor basin with single entrance is not conducive to the water exchange between the harbor and the outside, which is easy to cause the water environmental problems. Taking the preliminary scheme of dredged harbor basin in Lyusi port of Jiangsu province for example, this paper analyzed the water exchange features in dredged harbor basin by establishing two-dimensional tidal current mathematical model and convection-diffusion mathematical model. It also put forward some corresponding measures for water exchange. The results showed that the effects of canal and runoff on water exchange capacity development was obvious. The position of canal should be based on two factors, the one was the status and characteristics of water exchange in basin, and the other was whether there had difference tidal level between the both ends of canal. Different adding ways for runoff had different effects.

关 键 词：挖入式港池 水体交换 治理措施 

分 类 号：U653.3[交通运输工程—港口、海岸及近海工程]