曹娥江出口船闸建设若干关键问题初探  

Preliminary Discussion on Some Key Issues in Construction of Cao’ejiang Ship Lock

作　　者：王柏明 史英标[2] 曹颖[2] 金国强 李志永[2] WANG Bai-ming;SHI Ying-biao;CAO Ying;JIN Guo-qiang;LI Zhi-yong(Shaoxing Municipal Cao'e River Floodgate Administration, Shaoxing 312000, China;Zhejiang Institute of Hydraulics and Estuary, Hangzhou 310020, China;Zhejiang Provincial Institute of Communications Planning,Design and Research, Hangzhou 310006,China)

机构地区：[1]绍兴市曹娥江大闸运行管理中心,浙江绍兴312000 [2]浙江省水利河口研究院,浙江杭州310020 [3]浙江省交通规划设计研究院,浙江杭州310006

出　　处：《水电能源科学》2019年第8期61-64,37,共5页Water Resources and Power

基　　金：浙江省交通运输厅科技计划项目（2015J03）

摘　　要：为研究支流口门区船闸建设涉及的口门水流流态、泥沙淤积等关键问题,以浙江省钱塘江强涌潮河口支流曹娥江出口为例,采用实测资料分析、二维水沙耦合数学模型等方法初步研究了拟建船闸出口水域河床稳定性、引航道口门水流流态及泥沙淤积等问题。结果表明,船闸出口水域及口外引航道局部冲淤幅度较大,需对局部碍航段采取疏浚措施;闸下引航道水域横向流速满足通航要求的时间较短,需通过乘潮航行及船闸的优化调度提高通航频次,闸下引航道及口门区泥沙淤积较严重,需深入研究减淤措施。In order to study the key problems such as water flow regime and siltation involved in the construction of ship lock at the entrance area of tributary, taking the water outlet of Cao’ejiang River in the Qiantang Estuary with strong tidal bore in Zhejiang Province as an example, the riverbed stability, water flow regime and sediment deposition in area of the proposed ship lock were studied preliminarily by analysis of measured data and 2D coupled model of water flow and sediment transport. The results show that the water area at the outlet of ship lock and the approach channel outside the entrance have a large amount of local erosion/siltation, and dredging measures should be taken for the partial obstruction section;The transverse flow velocity of the approach channel under the ship lock can only meet the navigation requirement for a short time, and it is necessary to make use of the tidal navigation and optimal dispatching of ship lock to improve the frequency of navigation;There's serious sediment deposition in the approach channel under the ship lock and the entrance area, it is necessary to study the measures to reduce siltation in the next stage.

关 键 词：强涌潮河口 水沙耦合数学模型 船闸引航道 水流流态 泥沙冲淤 

分 类 号：TV14[水利工程—水力学及河流动力学]