| 引水排沙和泄空排沙在台兰河引水渠首中的应用试验研究 |
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| 作者姓名： | CHEN Chenglin MA Liang ZHAO Jinghu SHI Kebing LIU Baoxing |
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| 作者单位： | 新疆农业大学水利与土木工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50969010); 新疆水利水电重点科学基金资助项目(xjzdxk-2002-10-05) |
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| 摘 要： | 针对典型有坝渠首台兰河引水工程,通过物理模型试验研究了渠首的排沙运行方式对于坝前泥沙淤积的影响。试验研究了电站引水排沙和泄空排沙,分别模拟了一年一遇和多年一遇工况下的排沙效果。试验结果表明:电站引水排沙的每年排沙量为10.87万t,泄空冲刷排沙的每年排沙量为33.67万t。根据河道来沙情况,每年泄空冲刷2～3次可满足水库一年调蓄的泥沙量。排沙流量选用70～110 m3/s较为合理。分析了引水排沙和泄空排沙的优缺点,对引水和库型要求较严格的水库和渠首提供了另一种排沙思路和实验支持。
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| 关 键 词： | 有坝渠首 泥沙淤积 引水排沙 泄空排沙 |
Experiment on application of sediment ejection by intake water and emptying water in channel head works of Tailan River |
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| CHEN Chenglin,MA Liang,ZHAO Jinghu,SHI Kebing,LIU Baoxing.Experiment on application of sediment ejection by intake water and emptying water in channel head works of Tailan River[J].Journal of water resources and water engineering,2011,22(6):100-102. |
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| Authors: | CHEN Chenglin MA Liang ZHAO Jinghu SHI Kebing LIU Baoxing |
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| Affiliation: | CHEN Chenglin,MA Liang,ZHAO Jinghua,SHI Kebing,LIU Baoxing(College of Water Conservancy and Civil Engineering,Xinjiang Agricultural University,Urumqi 830052,China) |
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| Abstract: | According to channel head works with dam which in front of dam of diversion engineering with Tailan River,the paper carried out the physical model test to study the influence of the system operation and management sediment ejection on sediment deposition in front of the Dam,respectively simulated the one year with one and many year met.The experimental results shown that the water power station sediment ejection was for 0.1087 million tons each year by water diversion condition,and sediment ejection was 0.3... |
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| Keywords: | channel head works with dam sediment deposition sediment ejection by intake water sediment ejection by emptying water |
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