Experimental Study on Approach Channel Layout of Navigation and Hydropower Project

doi:10.3969/j.issn.1674-0696.2014.06.17

Journal of Chongqing Jiaotong University(Natural Science) ›› 2014, Vol. 33 ›› Issue (6): 83-88.DOI: 10.3969/j.issn.1674-0696.2014.06.17

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Experimental Study on Approach Channel Layout of Navigation and Hydropower Project

Shi Xufang¹, Zhang Jianmin², Hu Xiaoyu³, Yu Fei⁴, Li Shuai²

1. School of Water Resources & Electric Power,Qinghai University,Xining 810016,Qinghai,China; 2.State Key Laboratory of Hydraulics & Mountain River Engineering, Chengdu 610065, Sichuan, China; 3. Hydrochina Huadong Engineering Corporation, Hangzhou 310014, Zhejiang, China; 4. Design & Research Institute of Water Conservancy & Hydropower of Qinghai Province, Xining 810000, Qinghai, China

Received:2013-03-12 Revised:2013-08-16 Online:2014-12-15 Published:2015-03-10

航电枢纽工程引航道布置试验研究

石旭芳¹，张建民²，胡小禹³，余飞⁴，栗帅²

1.青海大学水利电力学院，青海西宁 810016；2.水力学及山区河流开发与保护国家重点试验室，四川成都 610065； 3.华东勘测设计研究院，浙江杭州 310014；4.青海省水利水电勘测设计研究院，青海西宁 810000

作者简介:石旭芳(1988—)，女，青海西宁人，硕士，主要从事水工水力学方面的研究。E-mail:617426355@qq.com。

Abstract

Abstract: Model experiments of hierarchical permeable structure of upstream approach channel and different length of downstream approach channel of a large navigation and hydropower project in “S” shaped river were conducted. The influence of the layout position and structure of upstream and downstream partition wall on navigable flow conditions was analyzed. The results show the reflux flow rate can be improved by the application of the hierarchical permeable structure of upstream approach channel, but the permeable flow discharge need to be controlled, in case that excessive permeable flow causes unfavorable lateral flow rate at parked segments. The reasonable position and angle are more effective than simply increasing the length to improve navigable flow condition of downstream approach channel.

Key words: waterway engineering, flow rate of entrance region, optimization of approach channel, experiment study, navigation and hydropower project

摘要： 对“S”形河道中某大型航电工程上游引航道的透空形式和下游引航道不同长度的布置形式进行了模型试验，分析了上下游隔流墙布置位置及结构形式对通航水流条件的影响。研究表明：上游引航道采用上下分层透水方案能够改善回流流速，但需要控制透水流量，防止过大的透水流量导致停泊段出现不利的侧向流速；下游引航道合理的位置和角度比单纯增加长度能更有效改善水流条件。

关键词: 航道工程, 口门区流速, 引航道优化, 模型试验, 航电枢纽

CLC Number:

U612

Shi Xufang, Zhang Jianmin, Hu Xiaoyu, Yu Fei, Li Shuai. Experimental Study on Approach Channel Layout of Navigation and Hydropower Project[J]. Journal of Chongqing Jiaotong University(Natural Science), 2014, 33(6): 83-88.

石旭芳，张建民，胡小禹，余飞，栗帅. 航电枢纽工程引航道布置试验研究[J]. 重庆交通大学学报（自然科学版）, 2014, 33(6): 83-88.

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Experimental Study on Approach Channel Layout of Navigation and Hydropower Project

航电枢纽工程引航道布置试验研究

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