| 明渠梯形断面消力池池深和尾坎高度的计算方法 |
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| 引用本文： | 张志昌,赵莹,王学斌. 明渠梯形断面消力池池深和尾坎高度的计算方法[J]. 长江科学院院报, 2016, 33(1): 48-53. DOI: 10.11988/ckyyb.20140710 |
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| 作者姓名： | 张志昌 赵莹 王学斌 |
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| 作者单位： | 1.西安理工大学 水利水电学院,西安 710048; 2.中国电建集团西北勘测设计研究院有限公司工程实验检测分院,西安 710000; 3.中国水电建设集团 第十五工程局有限公司,西安 710065 |
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| 摘 要： | 为研究明渠梯形断面消力池池深和尾坎高度的计算方法,依据前人对梯形断面消力池水跃共轭水深、梯形断面量水堰(槛)的研究成果,采用能量方程研究梯形断面挖深式消力池、消力坎式消力池和综合式消力池深度和坎高的计算方法。给出了梯形断面消力池池深、尾坎高度的计算公式,通过算例说明了计算过程。提出的消力池深度、坎高的计算公式可以作为梯形断面消力池设计的参考。
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| 关 键 词： | 明渠 梯形断面 消力池 池深 尾坎高度 水力计算 |
| 收稿时间： | 2014-08-13 |
Calculation Methods of Stilling Basin Depth and End Sill Height in Open Channel of Trapezoidal Cross Section |
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| ZHANG Zhi-chang,ZHAO Ying,WANG Xue-bin. Calculation Methods of Stilling Basin Depth and End Sill Height in Open Channel of Trapezoidal Cross Section[J]. Journal of Yangtze River Scientific Research Institute, 2016, 33(1): 48-53. DOI: 10.11988/ckyyb.20140710 |
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| Authors: | ZHANG Zhi-chang ZHAO Ying WANG Xue-bin |
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| Affiliation: | 1.Institute of Water Resources and Hydroelectric Engineering , Xi’an University of Technology, Xi’an 710048, China; 2.Branch of Engineering Experiment and Inspection,PowerChina Northwest Engineering Corporation Limited, Xi’an 710000, China; 3.Sinohydro Corporation Engineering Bureau 15 Co. ,Ltd., Xi’an 710065,China |
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| Abstract: | In order to explore the calculation methods of stilling basin depth and end sill height, we summarize previous research results about conjugate depth of hydraulic jump in trapezoidal stilling basin and measuring weir(sill)of trapezoidal cross section. According to energy equation, we present the calculation methods of stilling basin depth and sill height with trapezoidal cross section for 3 types of stilling basin, namely, deepened style, baffle wall style, and comprehensive style. On the basis of this, we put forward calculation formulas of stilling basin depth and sill height and exhibit the calculation process through examples. Finally, the calculation formulas can be taken as a reference for the design of trapezoidal stilling basins. |
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| Keywords: | open channel trapezoidal cross section stilling basin stilling basin depth end sill height hydraulic calculation |
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