| 长距离输水渠道超高设计研究 |
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| 引用本文： | 吴泽宇,范杰,唐景云,黄会勇,李静.长距离输水渠道超高设计研究[J].人民长江,2010,41(6):4-7. |
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| 作者姓名： | 吴泽宇 范杰 唐景云 黄会勇 李静 |
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| 作者单位： | 1. 长江勘测规划设计研究院,规划处,湖北,武汉,430010
2. 南水北调中线干线工程建设管理局,北京,100038 |
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| 基金项目： | "十一五"国家科技支撑计划项目 |
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| 摘 要： | 我国现行的工程设计规范中,对输水渠道的超高设计标准适应性不强,难以适应长距离、大流量的输水渠道超高设计。现代渠道设计中普遍采用了节制闸控制技术,水流控制过程会引起水位波动,在以往的超高设计中水流涌波考虑较少。从非恒定流角度,对渠道超高的主要影响因素进行了分析和实例计算,提出了有节制闸控制的长距离输水渠道超高设计公式和方法,可供渠道设计时参考。
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| 关 键 词： | 渠道超高 流量规模 渠道运行方式 非恒定流模拟 |
Research on canal freeboard design of long-distance water diversion project |
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| WU Zeyu,FAN Jie,TANG Jingyun,HUANG Huiyong,Li Jing.Research on canal freeboard design of long-distance water diversion project[J].Yangtze River,2010,41(6):4-7. |
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| Authors: | WU Zeyu FAN Jie TANG Jingyun HUANG Huiyong Li Jing |
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| Affiliation: | WU Zeyu1,FAN Jie1,TANG Jingyun1,HUANG Huiyong1,Li Jing2(1.Design Institute,Changjiang Water Resources Commission,Wuhan 430010,China,2.Construction , Administration Bureau of Middle Route of South-to-North Water Diversion Project,Beijing 100038,China) |
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| Abstract: | The current codes on canal freeboard do not suit the canal freeboard design of long-distance water diversion project in China.The check gate control method is used in modern canal design,arising water level fluctuation in flow control,however,the transient flow wave has not been considered in the canal design before.Based on unsteady flow simulation method,we analyze and calculate the main influencing factors of canal freeboard and present the formula and methods of canal freeboard design in long-distance w... |
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| Keywords: | canal freeboard flow capacity method of operation unsteady flow simulation |
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