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水深底宽过水面积湿周水力半径糙率谢才系数底坡比降流速h(m)b(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)1.851.507.9098.1700.9680.02539.7840.0011.411水深过水面积湿周水力半径糙率谢才系数底坡比降流速h(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)0.400.1601.2000.1330.02528.5900.0010.330水深半径过水面积湿周水力半径糙率谢才系数底坡比降流速h(m)R(m)弧度rad角度°A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)0.50000.200.24815.000.1511.2440.1210.01643.9750.0010.4840.50000.500.36422.000.3921.5680.2500.01649.6060.0010.7840.50000.350.49630.000.2801.4530.1930.01647.4990.0010.659b(m)0.40弧形渠道断面尺寸、水深计算外倾角梯形渠道断面尺寸、水深计算边坡m1.50矩形渠道断面尺寸、水深计算底宽bb第1页2020/8/21水深过水面积湿周水力半径糙率谢才系数底坡比降流速h(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)0.50000.2911.4000.2080.01648.1120.0010.694R(m)0.40U型渠道断面尺寸、水深计算半径bb第2页2020/8/21引水渠试算水深底宽过水面积湿周水力半径糙率谢才系数底坡比降流速流量梯形渠道断面尺寸、水深计算边坡bb第3页2020/8/21h(m)b(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)Q(m^3/s)1.781.507.4237.9180.9370.02835.9740.0021.34910.013水深底宽过水面积湿周水力半径糙率谢才系数底坡比降流速流量h(m)b(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)Q(m^3/s)1.921.007.4507.9230.9400.02835.9920.0021.35210.070尾水渠试算水深底宽过水面积湿周水力半径糙率谢才系数底坡比降流速流量h(m)b(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)Q(m^3/s)m梯形渠道断面尺寸、水深计算边坡m1.50梯形渠道断面尺寸、水深计算边坡m1.50bb第4页2020/8/211.621.506.3677.3410.8670.02835.5110.0021.58610.097水深底宽过水面积湿周水力半径糙率谢才系数底坡比降流速流量h(m)b(m)A(m*m)χ(m)R(m)nC(m^1/2/s)Iv(m/s)Q(m^3/s)1.751.006.3447.3100.8680.02835.5150.0021.58710.0661.50梯形渠道断面尺寸、水深计算边坡m1.50bb第5页2020/8/21流量Q(m^3/s)11.161流量Q(m^3/s)0.053流量Q(m^3/s)0.073r≤0.20.307r＜1.00.185r≥1.0水深h在圆弧段以上适用条件弧形渠道断面尺寸、水深计算梯形渠道断面尺寸、水深计算矩形渠道断面尺寸、水深计算bb第6页2020/8/21流量Q(m^3/s)0.2020.104166667U型渠道断面尺寸、水深计算bb第7页2020/8/21