| 长江中游牯牛沙水道河床演变及碍航特性分析 |
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| 引用本文： | 李雨晨,李青云.长江中游牯牛沙水道河床演变及碍航特性分析[J].水道港口,2014(2):154-158. |
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| 作者姓名： | 李雨晨 李青云 |
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| 作者单位： | [1]河海大学港口海岸与近海工程学院,南京210798 [2]长江航道局,武汉430010 |
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| 摘 要： | 以牯牛沙水道为例,重点分析了弯曲河段的演变过程和碍航特点。通过分析牯牛沙水道的演变过程、演变影响因素、演变趋势及碍航特性等,揭示滩槽演变的规律,探讨航道整治一期工程前后的碍航特性变化,并对一期工程实施后航道条件不稳定的具体原因进行分析,在此基础上,提出二期工程的整治思路和方案。
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| 关 键 词： | 航道整治一期工程 河床演变 碍航特性 牯牛沙水道 |
Study on river bed evolution and characteristics of navigation-obstruction of the Guniusha waterway in Middle Yangtze River |
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| LI Yu-chen,LI Qing-yun.Study on river bed evolution and characteristics of navigation-obstruction of the Guniusha waterway in Middle Yangtze River[J].Journal of Waterway and Harbour,2014(2):154-158. |
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| Authors: | LI Yu-chen LI Qing-yun |
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| Institution: | 1. College of Harbor, Coastal and Offshore Engineering, Hohai University, Nanjing 210098, China; 2.Changjiang Waterway Bureau, Wuhan 430010, China) |
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| Abstract: | Taking Guniusha waterway as an example, the fluvial processes and navigation obstruction problem of curved reaches were emphasized in this paper. The fluvial processes, influencing factors, tendency of channel variation of Guniusha waterway, the characteristics of navigation-obstruction and causes of instability in channel conditions after implementing the 1st phase regulation projects were mainly analyzed and studied. Based on the above-mentioned analysis, the 2nd phase regulation scheme was proposed in order to provide references for engi- neering practice. |
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| Keywords: | phase I of waterway regulation project river bed evolution characteristic of navigation-obstruc-tion Guniusha waterway |
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