水库水文计算

调洪演算(半图解法)库水位Z(m)（1）堰顶水头H(m)（2）相应Z库容V总(104m3)（3）堰顶以上库容V(104m3)（4）V/△t(m3/s)（5）473.00473.20473.40473.60473.80474.00474.20474.40474.60474.80475.00475.20475.40475.60475.80476.000.000.200.400.600.801.001.201.401.601.802.002.202.402.602.803.0017.3617.7018.3019.0019.7020.2021.0021.6022.2022.8023.2923.9024.6025.2026.0026.580.000.340.941.642.342.843.644.244.845.445.936.547.247.848.649.220.0000.9442.6114.5566.5007.88910.11111.77813.44415.11116.47218.16720.11121.77824.00025.611溆浦羊儿田水库q-V/△t+q/2辅助曲线30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 泄流量q (m3/s)1 0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 V/△t+q/2 (m3/s)溆浦羊儿田水库水位-泄流曲线476.0 475.9 475.8 475.7 475.6 475.5 475.4 475.3 475.2 475.1 475.0 474.9 474.8 474.7 474.6 474.5 474.4 474.3 474.2 474.1 474.0 473.9 473.8 473.7 473.6 473.5 473.4 473.3 473.2 473.1 473.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 库水位Z（m）泄流量q（m3/s） 水库调洪演算（半图解法） P=0.5%时间t (h)（1）时段Δt (1h)（2）Q1-28(m3/s)（3）(Q1+Q2)/2(m3/s)（4）V/△t+q/2(m3/s)（5）泄流量q (m3/s)（6）0122.234567800--11--22--2.52.5--33--44--55--66--77--80.2598.43411.57711.3786.9994.6763.7412.9802.5232.0664.34610.00611.4789.1885.8374.2093.3612.7522.2940.0004.34612.10216.08014.26810.7968.6547.2656.1175.3110.0002.2507.50011.0009.3106.3504.7503.9003.1002.850910111213141516171819202122232425268--99--1010--1111--1212--1313--1414--1515--1616--1717--1818--1919--2020--2121--2222--2323--2424--2525--261.6521.3241.0840.8430.6460.5360.5160.4960.4770.4570.4370.4170.3970.3780.3580.3380.3180.2981.8591.4881.2040.9640.7450.5910.5260.5060.4870.4670.4470.4270.4070.3880.3680.3480.3280.3084.3203.6082.9622.4261.9211.5621.2380.9940.8810.8470.8140.7810.7490.7160.6840.6520.6200.5982.2001.8501.5001.2500.9500.8500.7500.6000.5000.4800.4600.4400.4200.4000.3800.3600.3300.310水库调洪演算（半图解法） P=5%时间t (h)（1）时段Δt (1h)（2）Q(m/s)（3）3(Q1+Q2)/2(m/s)（4）3V/△t+q/2(m/s)（5）3泄流量q (m/s)（6）30122.534567891011121314151600--11--22--2.52.5--33--44--55--66--77--88--99--1010--1111--1212--1313--1414--1515--160.1845.7088.2478.1004.5332.9992.4121.9691.6681.3681.0960.8820.7250.4820.3830.3680.3520.3372.9466.9788.1746.3173.7662.7062.1901.8181.5181.2320.9890.8040.6040.4330.3750.3600.3450.0002.9469.57315.96716.43410.4203.076-3.184-8.165-12.397-15.715-18.476-20.822-22.968-25.035-26.860-28.450-29.9550.000.351.785.859.7810.058.456.805.754.553.753.152.752.502.201.951.851.65171819202122232416--1717--1818--1919--2020--2121--2222--2323--240.3220.3070.2910.2760.2610.2450.2300.2150.3290.3140.2990.2840.2680.2530.2380.222-31.276-32.462-33.563-34.579-35.561-36.508-37.320-38.0981.501.401.301.251.201.051.000.85

水库调洪演算（半图解法） P=10%时间t (h)（1）时段Δt (1h)（2）Q(m3/s)（3）(Q1+Q2)/2(m3/s)（4）V/△t+q/2(m3/s)（5）泄流量q (m3/s)（6）0122.5345678910111213141516171819202122232400--11--22--32--2.53--44--55--66--77--88--99--1010--1111--1212--1313--1414--1515--1616--1717--1818--1919--2020--2121--2222--2323--240.1544.8177.1317.0103.7402.4581.9681.6211.3701.1190.8920.7370.5820.3790.3200.3070.2940.2820.2690.2560.2430.2300.2180.2050.1920.1792.4855.9747.0715.3753.0992.2131.7941.4951.2441.0060.8150.6600.4810.3500.3140.3010.2880.2750.2620.2500.2370.2240.2110.1980.1860.0002.4858.07913.50013.3757.7240.687-5.169-9.873-13.679-17.023-19.659-21.949-23.919-25.769-27.455-28.905-30.217-31.441-32.579-33.629-34.493-35.319-36.107-36.859-37.4730.000.381.655.508.759.257.656.205.054.353.452.952.452.202.001.751.601.501.401.301.101.051.000.950.800.60泄流量q (m3/s)（6）q/2(m3/s)（7）V/△t+q/2(m3/s)（8）0.0000.6301.7723.2374.9556.88510.12313.38817.54522.41426.34530.49934.86839.44344.21749.1860.0000.3150.8861.6182.4783.4435.0626.6948.77311.20713.17315.25017.43419.72122.10924.5930.0001.2593.4976.1748.97811.33115.17318.47222.21726.31829.64533.41637.54541.49946.10950.204助曲线18 19 20 21 22 23 24 25 26 27 28 29 30 曲线18 19 20 21 22 23 24 25 26 27 28 29 30 库水位Z (m)（7）溆浦羊儿田水库20 473.018 16 474.25流量（q）(m3/s)14 12 库水位Z (m)（7）473.073.85流泄10 及）Q（量8 流峰洪6 4 2 0 01234567891011溆浦羊儿田水库20 18 16 )s/14 3m(）q（12 量流泄10 及）Q（量8 流峰洪6 4 库水位Z (m)（7）73.573.822 0 0 1 2 3 4 5 6 7 8 9 溆浦羊儿田水20 18 16 )s/3m14 (）q（12 量流泄10 及）Q（8 量流峰6 洪4 2 0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 1田水库洪水和泄流关系曲线P=0.33%洪水过程线泄流过程线111213141516171819202122232425262728时间t(h)田水库洪水和泄流关系曲线P=3.33%洪水过程线泄流过程线9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 时间t(h)儿田水库洪水和泄流关系曲线P=5%洪水过程线泄流过程线0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 时间t(h)