| 西江界首至肇庆河段航道设计最低通航水位研究 |
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| 引用本文： | 张 明,冯小香,彭 伟,普晓刚,王义安,李君涛. 西江界首至肇庆河段航道设计最低通航水位研究[J]. 水运工程, 2018, 0(4): 104-109 |
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| 作者姓名： | 张 明 冯小香 彭 伟 普晓刚 王义安 李君涛 |
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| 作者单位： | 交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456,交通运输部天津水运工程科学研究所，工程泥沙交通行业重点实验室，天津 300456 |
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| 摘 要： | 水沙变异条件下航道设计水位研究是航道整治工程中的重要问题。在对西江界首至肇庆河段重点滩段河床演变分析的基础上,根据河段的水文情势变化特点,采用综合历时曲线法计算航道设计流量,通过数学模型计算分析潮汐、枢纽下泄非恒定流、航道整治工程等因素对设计水位的影响,然后确定航道设计水位。研究成果对于水沙变异条件下枢纽下游径潮流过渡河段的设计水位计算具有参考意义。
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| 关 键 词： | 西江 水沙变异 感潮河段 非恒定流 最低通航水位 航道整治工程 |
Study on design lowest navigable stage of Xijiang River channel in river section from Jieshou to Zhaoqing |
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| ZHANG Ming,FENG Xiao-xiang,PENG Wei,PU Xiao-gang,WANG Yi-an and LI Jun-tao. Study on design lowest navigable stage of Xijiang River channel in river section from Jieshou to Zhaoqing[J]. Port & Waterway Engineering, 2018, 0(4): 104-109 |
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| Authors: | ZHANG Ming FENG Xiao-xiang PENG Wei PU Xiao-gang WANG Yi-an LI Jun-tao |
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| Affiliation: | Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China,Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China,Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China,Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China,Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China and Tianjin Research Institute of Water Transport Engineering,Key Laboratory of Engineering Sediment of Ministry of Communications,Tianjin 300456,China |
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| Abstract: | The study of design lowest navigable stage in water and sediment variation environment is an important issue in waterway regulation engineering.Based on analyzing the riverbed scour and silting evolution in the key reaches of Xijiang River from Jieshou to Zhaoqing,and according to the hydrological regimes characteristics,we use the synthetic duration curve method to calculate the minimum design navigable discharges.Then we obtain the influence magnitude and range of tide,unsteady flow,waterway regulation engineering on design lowest navigable stage by means of flow mathematical model.Finally we get the design lowest navigable stage along the river.The study is a good reference for the calculation of design lowest navigable stage in tidal reaches below the dam in water and sediment variation environment. |
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| Keywords: | Xijiang River water and sediment regime variation tidal river unsteady flow lowest navigable stage waterway regulation engineering |
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