| 较长陡坡沟道防洪中的水力学计算和实际应用 |
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| 引用本文： | 周毅. 较长陡坡沟道防洪中的水力学计算和实际应用[J]. 城市道桥与防洪, 2011, 0(7): 144-146,14 |
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| 作者姓名： | 周毅 |
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| 作者单位： | 甘肃省水利水电勘测设计研究院,甘肃兰州,730000 |
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| 摘 要： | 山区城市两岸的沟道一般有纵坡大、设计洪峰流量大,排洪沟内水流流速较大的特点,在较长大纵坡沟道的防洪中,采用非均匀流计算非常复杂.该文对比分析了采用明渠恒定均匀流计算结果和明渠恒定非均匀流计算结果,得出了采用明渠恒定均匀流在同类工程中的简化计算应用.
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| 关 键 词： | 长陡坡 排洪沟 流速 计算 |
Hydraulics Calculation and Practical Application of Longer Steep Slope Ditch in Flood Control |
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| Zhou Yi. Hydraulics Calculation and Practical Application of Longer Steep Slope Ditch in Flood Control[J]. Urban Roads Bridges & Flood Control, 2011, 0(7): 144-146,14 |
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| Authors: | Zhou Yi |
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| Abstract: | There are the ditches with the characteristics of the long steep slope,the large design flood peak flow and the greater flow velocity within the flood control channel at the both banks of the mountain city.The used non-uniform flow calculation is very complicated in the flood control of longer vertical slope ditch.The article compares and analyzes the constant uniform flow calculation result of channel and the constant non-uniform flow calculation result of channel,and gives the simplifying calculation application of the constant uniform flow of channel in the same projects. |
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| Keywords: | long steep slope flood discharge ditch velocity calculation |
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