宽顶堰下泄能力.xls

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1、毛里水库溢洪道 说明： 1、毛里水库溢洪道为无闸、正堰、宽顶堰型、自由溢流。 2、溢流公式采用Q=cMnbSQRT（2g）H0（3/2） 3、堰顶高程86.20米，设计洪水位87.37米，较核洪水位87.80米。 4、堰前高1.1米，堰前水深0H0，侧收缩系数c、流量系数M查水力计算手册。 宽浅式堰溢流曲线 Qcb/B(11/18)SQRT（2g）H0P/H0 0.0000#DIV/0!0.6114.430#DIV/0! 1.00160.9830.6114.430.158.00 2.82860.9790.6114.430.34.00 5.19550.9760.6114.430.452.67 8

2、.00280.9740.6114.430.62.00 11.21240.9720.6114.430.751.60 14.83260.9700.6114.430.91.33 18.63980.9690.6114.431.051.14 22.74550.9680.6114.431.21.00 27.14800.9670.6114.431.350.89 31.80760.9660.6114.431.50.80 36.73260.9650.6114.431.650.73 41.88690.9640.6114.431.80.67 47.25800.9630.6114.431.950.62 52.8053

3、0.9630.6114.432.10.57 58.68220.9620.6114.432.250.53 64.69420.9610.6114.432.40.50 70.90730.9610.6114.432.550.47 77.29580.9600.6114.432.70.44 83.85020.9600.6114.432.850.42 90.58520.9590.6114.4330.40 M1/tan（）nb 对应堰前水位 0.3580.9011186.20 0.360.9011186.35 0.3610.9011186.50 0.3620.9011186.65 0.3630.9011186

4、.80 0.36460.9011186.95 0.36750.9011187.10 0.3670.9011187.25 0.3670.9011187.40 0.36750.9011187.55 0.3680.9011187.70 0.36870.9011187.85 0.36930.9011188.00 0.36980.9011188.15 0.370.9011188.30 0.3710.9011188.45 0.37150.9011188.60 0.3720.9011188.75 0.37240.9011188.90 0.37270.9011189.05 0.3730.9011189.20