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1、流域面積F(km2)主河道長(zhǎng)度L(km) 主河道比降J 5.533.7440.0647 暴雨均值24h6h1h 彭澤縣11574.443 (暴雨均值如根據(jù)年降雨量,數(shù) 值可能有所不同,后面相對(duì)應(yīng)的 數(shù)值需要改變) 都昌縣1108340.8 樂(lè)平市1248545 變差系數(shù)Cv24h6h1h 彭澤縣0.450.510.43 都昌縣0.650.580.39 樂(lè)平市0.450.50.4 模比系數(shù)Kp/P(0.2%)24h6h1h 彭澤縣3.143.553.01 都昌縣4.584.052.76 樂(lè)平市3.143.482.82 模比系數(shù)Kp/P(0.5%)24h6h1h 彭澤縣2.793.112.68 都

2、昌縣3.923.512.48 樂(lè)平市2.793.062.53 模比系數(shù)Kp/P(1%)24h6h1h 彭澤縣2.522.792.43 都昌縣3.443.12.27 樂(lè)平市2.522.742.31 模比系數(shù)Kp/P(2%)24h6h1h 彭澤縣2.252.452.18 都昌縣2.942.692.05 樂(lè)平市2.252.422.08 模比系數(shù)Kp/P(5%)24h6h1h 彭澤縣1.882.011.84 都昌縣2.32.161.75 樂(lè)平市1.881.991.78 模比系數(shù)Kp/P(10%)24h6h1h 彭澤縣1.61.681.57 都昌縣1.831.751.52 樂(lè)平市1.61.661.53

3、五十一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二百年一遇設(shè)計(jì)洪水過(guò)程線 30.00 25.00 20.00 15.00 10.00 5.00 0.00 0 10 20 30 40 50 60 70 80 90 100 T(h) Q總 Series1 河道比降h156L1386 h258L2281 h360L376 h462L488 h564L533 h666L624 h768L714 h870L812 h971L925 h10L10 h11L11 h12L12 h13L13 h14L14 h15L15 h1

4、6L16 h17L17 五十一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 彭澤縣 區(qū) 都昌縣 樂(lè)平市區(qū) 暴雨歷時(shí) 折算系數(shù) (根據(jù)流域 面積的不同 ,折算系數(shù) 也不相同) 24h0.9992 6h0.9977 3h0.9976 1h0.9974 點(diǎn)暴雨值/P(0.2%)24h6h1h3h輔助公式 彭澤縣361.1264.12129.43200.4254855 0.39804974 都昌縣503.8336.15112.608220.1760012 0.61032857 樂(lè)平市389.36295.8126.9213

5、.2055855 0.47228446 點(diǎn)暴雨值/P(0.5%)24h6h1h3h 彭澤縣320.85231.384115.24176.6881016 0.38900815 都昌縣431.2291.33101.184193.5052342 0.59016627 樂(lè)平市345.96260.1113.85188.93746870.4610674 點(diǎn)暴雨值/P(1%)24h6h1h3h 彭澤縣289.8207.576104.49159.16279560.3830616 都昌縣378.4257.392.616173.2813467 0.57022359 樂(lè)平市312.48232.9103.95170.

6、4595331 0.45019332 點(diǎn)暴雨值/P(2%)24h6h1h3h 彭澤縣258.75182.2893.74140.9279357 0.37112608 都昌縣323.4223.2783.64152.7039368 0.54794501 樂(lè)平市279205.793.6151.68088290.4394166 點(diǎn)暴雨值/P(5%)24h6h1h3h 彭澤縣216.2149.54479.12116.8955706 0.35528029 都昌縣253179.2871.4125.5557296 0.51378622 樂(lè)平市233.12169.1580.1126.6686811 0.41716

7、174 點(diǎn)暴雨值/P(10%)24h6h1h3h 彭澤縣184124.99267.5198.48752545 0.34375563 都昌縣201.3145.2562.016104.4993063 0.47495192 樂(lè)平市198.4141.168.85106.8957162 0.40043564 (暴雨均值如根據(jù)年降雨量,數(shù) 值可能有所不同,后面相對(duì)應(yīng)的 數(shù)值需要改變) 一百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計(jì)洪水過(guò)程線 2520151050 0 10 20 30 40 50

8、60 70 T(h) Q總 Series1 五十一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二百年一遇設(shè)計(jì)洪水過(guò)程線 30.00 25.00 20.00 15.00 10.00 5.00 0.00 0 10 20 30 40 50 60 70 80 90 100 T(h) Q總 Series1 21616 32034 8968 10736 4158 3120 1876 1656分子總計(jì)87689 3525分母總計(jì)881721 J0.09945209 十年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 -10 0

9、 10 20 30 40 50 T(h) Q總 Series1 2 n1 -nn21211 L hhhhh)()(+ = LLL J 五十一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二十年一遇設(shè)計(jì)洪水過(guò)程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 (彭澤縣)五百年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段 Pa值70轉(zhuǎn)置(數(shù)據(jù)要變)P I值15.0337967P fc=0.14I(區(qū))2.10473153P+Pa fc=0.182I(區(qū))2.73615099查附

10、表3-2R總 R總 I=P24/24,R下=fcR下 H24 以60min為時(shí)段的雨型分配表(彭澤縣) 面暴雨值/P(0.2%)24h6h1h3h 彭澤縣360.81112263.512524129.0935 199.94451.00 都昌縣503.39696335.376855112.3152 219.64762.00 樂(lè)平市389.048512295.11966126.5701 212.69393.00 4.00 面暴雨值/P(0.5%)24h6h1h3h5.00 彭澤縣320.59332230.8518168 114.9404 176.26416.00 都昌縣430.85504290.6

11、59941100.9209 193.04087.00 樂(lè)平市345.683232259.50177113.554188.4848.00 9.00 面暴雨值/P(1%)24h6h1h3h10.00 彭澤縣289.56816207.0985752 104.2183 158.780811.00 都昌縣378.09728256.7082192.3752 172.865512.00 樂(lè)平市312.230016232.36433103.6797 170.050413.00 14.00 面暴雨值/P(2%)24h6h1h3h15.00 彭澤縣258.543181.86075693.49628 140.589

12、716.00 都昌縣323.14128222.75647983.42254 152.337417.00 樂(lè)平市278.7768205.2268993.35664 151.316818.00 19.00 面暴雨值/P(5%)24h6h1h3h20.00 彭澤縣216.02704149.2000488 78.91429 116.61521.00 都昌縣252.7976178.86765671.21436 125.254422.00 樂(lè)平市232.933504168.76095579.89174 126.364723.00 24.00 面暴雨值/P(10%)24h6h1h3h合計(jì) 彭澤縣183.85

13、28124.7045184 67.33447 98.25116 注:黑色為P24-P6,粉色為P6-P3,青色為P3-P60min,藍(lán)色為P60min都昌縣201.13896144.91592561.85476 104.2485 樂(lè)平市198.24128140.7754768.67099 106.6392 一百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計(jì)洪水過(guò)程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 二十年一遇設(shè)計(jì)洪水過(guò)程線

14、 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 十年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 -10 0 10 20 30 40 50 T(h) Q總 Series1 序號(hào)12345678 (1)4.864.864.864.864.864.860.000.00 (2)4.869.7314.5919.4624.3229.1929.1929.19 (3)74.8679.7384.5989.4694.3299.1999.1999.19 (4)1.503.205.608.0010.7013.5013.5013.50 (5)1.501.702.4

15、02.402.702.800.000.00 (6)1.501.702.102.102.102.10 (7)0.000.000.300.300.600.70 Qtt計(jì)算表 所占百分?jǐn)?shù)%H0.2%H0.5%H1%H2%H5%H10%時(shí)段序號(hào) 5.004.864.494.123.833.342.96ht(1) 5.004.864.494.123.833.342.96ht(2) 5.004.864.494.123.833.342.96ht/t(3) 5.004.864.494.123.833.342.96Qt(4) 5.004.864.494.123.833.342.96ht為H24按前后相鄰時(shí)段大小

16、連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t 5.004.864.494.123.833.342.96 0.000.000.000.000.000.000.00 根據(jù)公式=L/J1/3;m=0.10.417(區(qū));m=0.165(L/J1/3)0.299 (區(qū) );=0.278/mQ1/4; Q=(0.278/(m)4 0.000.000.000.000.000.000.00 0.000.000.000.000.000.000.00 10.009.738.978.257.676.685.91 10.009.738.978.257.676.685.91 10.009.738.97

17、8.257.676.685.91 20.0012.7110.929.668.256.525.29m 40.0025.4321.8419.3316.5113.0310.580.278/m 40.0025.4321.8419.3316.5113.0310.58 60.0042.5136.7932.7428.2622.6218.55 100.00129.09114.94104.2293.5078.9167.33 求地面流量過(guò)程線(采用五點(diǎn)折腰多邊形)和地下流量過(guò)程線 40.0028.3424.5321.8218.8415.0812.37 9.008.768.087.426.906.015.32座標(biāo)序

18、號(hào) 9.008.768.087.426.906.015.32Q地面1 8.007.787.186.606.135.354.73T(h)2 5.004.864.494.123.833.342.96 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 5.004.864.494.123.833.342.96 4.003.893.593.303.072.672.37 360.81320.59289.57258.54216.03183.85地面流量過(guò)程線計(jì)算表 座標(biāo)序號(hào) Q地面1 T(h)2 求出地下流量峰值Qm地下=R下*F/(3.6T) (彭澤縣)五百年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段

19、 P P P+Pa R總 R總 R下 H24 以60min為時(shí)段的雨型分配表(彭澤縣) 注:黑色為P24-P6,粉色為P6-P3,青色為P3-P60min,藍(lán)色為P60min 五百年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 序號(hào) 時(shí)間 T(h) 12 (1)0 (2)1.42 (3)3.56 (4)7.12 (5)14.25 (6)15.25 (7)16.25 (8)17.25 (9)18.25 (10) 19.25 (11) 20.25 (12) 21.25 (13) 22.25 (14) 23.25 (15) 24.25 (16) 25.25 (17) 26.25 (18) 27.25 (19) 28.25

20、 由圖可知二百年一遇 (h)2.80座標(biāo)序號(hào) Q90.00Q地面1 T(h)2 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 座標(biāo)序號(hào) Q地面1 T(h)2 求出地下流量峰值Qm地下=R下*F/(3.6T) 二百年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 序號(hào) 時(shí)間 一百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計(jì)洪水過(guò)程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 T(h) 12 (1)0 (2)1.50

21、 (3)3.75 (4)7.49 (5)14.98 (6)15.98 (7)16.98 (8)17.98 (9)18.98 (10) 19.98 (11) 20.98 (12) 21.98 (13) 22.98 (14) 23.98 (15) 24.98 (16) 25.98 (17) 26.98 (18) 27.98 (19) 28.98 由圖可知一百年一遇 (h)2.85座標(biāo)序號(hào) Q82.00Q地面1 T(h)2 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 座標(biāo)序號(hào) Q地面1 T(h)2 求出地下流量峰值Qm地下=R下*F/(3.6T) 一百年一

22、遇設(shè)計(jì)洪水過(guò)程計(jì)算表 序號(hào) 時(shí)間 T(h) 12 (1)0 (2)1.47 二十年一遇設(shè)計(jì)洪水過(guò)程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 序號(hào) (3)3.66 (4)7.33 (5)14.66 (6)15.66 (7)16.66 (8)17.66 (9)18.66 (10) 19.66 (11) 20.66 (12) 21.66 (13) 22.66 (14) 23.66 (15) 24.66 (16) 25.66 (17) 26.66 (18) 27.66 (19) 28.66 91011121314151617 0.009.7

23、39.739.7312.7125.4325.4342.51129.09 29.1938.9248.6558.3871.0996.52121.95164.46293.55 99.19108.92118.65128.38141.09166.52191.95234.46363.55 13.5019.9026.5033.6043.2066.5092.00134.50263.50 0.006.406.607.109.6023.3025.5042.50129.00 2.102.102.102.102.102.102.102.10 4.304.505.007.5021.2023.4040.40126.90

24、123456789 126.9040.4026.2923.4021.207.506.666.665.69 126.90167.30193.59216.99238.19245.69252.35259.01264.70 126.9083.6564.5354.2547.6440.9536.0532.3829.41 195.09128.6099.2083.4073.2462.9555.4249.7745.21 Q計(jì)算表 (h)2.00 Q263.73 9.326122 0.32168 由圖可知五百年一遇 (h)2.70 8.06Q108.00(m3/s) a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn)

25、e終止點(diǎn) 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬(wàn)m3) 159.1036 T(h)14.25 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 010.80108.0021.600 01.423.567.1214.25 R下43.10Q地下 Qm地下4.650.33 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Series1 Series2 Series3 Series4 Series5 Series6 Series7 (彭

26、澤縣)五百年一遇凈雨過(guò)程計(jì)算表 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t 根據(jù)公式=L/J1/3;m=0.10.417(區(qū));m=0.165(L/J1/3)0.299 (區(qū) );=0.278/mQ1/4; Q=(0.278/(m)4 求地面流量過(guò)程線(采用五點(diǎn)折腰多邊形)和地下流量過(guò)程線 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 求出地下流量峰值Qm地下=R下*F/(3.6T) Q地面Q地下Q總 t(h) 3456 0000 1.4210.800.4611.26 2.14108.001

27、.16109.16 3.5621.602.3223.92 7.120.004.654.65 1.004.324.32 1.003.993.99 1.003.673.67 1.003.343.34 1.003.023.02 1.002.692.69 1.002.362.36 1.002.042.04 1.001.711.71 1.001.391.39 1.001.061.06 1.000.730.73 1.000.410.41 1.000.080.08 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬(wàn)m3) 139

28、.4445座標(biāo)序號(hào) T(h)14.98Q地面1 T(h)2 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 09.0090.0018.000 01.503.757.4914.98地面流量過(guò)程線計(jì)算表 座標(biāo)序號(hào) R下38.43Q地下Q地面1 Qm地下3.940.26T(h)2 求出地下流量峰值Qm地下=R下*F/(3.6T) Q地面Q地下Q總 五百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 20 40 60 80 100 120 t(h) Q(m3/s) Series1 五百年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 時(shí)間 T=9.

29、67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 二百年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 時(shí)間 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Series1 Series2 Series3 Series4 Series5 Series6 Series7 t(h) 五十年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 3456 0000 序號(hào) 時(shí)間 1.509.000.499.49T(h) 2.2590.001.2291.2

30、212 3.7518.002.4420.44(1)0 7.490.003.943.94(2)1.45 1.003.613.61(3)3.61 1.003.293.29(4)7.23 1.002.962.96(5)14.46 1.002.642.64(6)15.46 1.002.312.31(7)16.46 1.001.981.98(8)17.46 1.001.661.66(9)18.46 1.001.331.33(10)19.46 1.001.001.00(11)20.46 1.000.680.68(12)21.46 1.000.350.35(13)22.46 1.000.030.03(14)

31、23.46 1.00(0.30)(0.30)(15)24.46 1.00(0.63)(0.63)(16)25.46 (17)26.46 (18)27.46 (19)28.46 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 由圖可知二十年一遇 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬(wàn)m3) 124.2923 T(h)14.66 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 08.2082.0016.400 01.473.667.3314.66 R下34.81Q地下 Qm地下3.650.25 Q地面Q地下Q總 t(h) 3456 0000 1.

32、478.200.488.68 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 一百年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 時(shí)間 Q地面Q地下Q總 2.2082.001.2083.20 3.6616.402.3918.79 7.330.003.653.65 1.003.323.32 1.003.003.00 1.002.672.67 1.002.342.34 1.002.022.02 1.001.691.69 1.001.361.36 1.001.041.04 1.000.710.71 1.000.390.39 1.00

33、0.060.06 1.00(0.27)(0.27) 1.00(0.59)(0.59) 1.00(0.92)(0.92) 18192021222324合計(jì) 28.348.768.767.784.864.863.89360.81 321.89330.65339.41347.19352.05356.92360.81 391.89400.65409.41417.19422.05426.92430.81 291.89300.65309.41317.20322.00326.92330.81 28.398.768.767.794.804.923.89330.81 2.102.102.102.102.102.

34、102.1043.10fc 26.296.666.665.692.702.821.79287.71 10111213141516171819 5.004.504.302.702.821.790.700.600.30.3 269.70274.20278.50281.20284.02285.81286.51287.11287.41287.71 26.9724.9323.2121.6320.2919.0517.9116.8915.9715.14 41.4638.3235.6833.2531.1929.2927.5325.9624.5523.28 3.004.005.006.007.008.009.0

35、010.00 52.1016.486.753.261.761.030.640.42(m3/s) (彭澤縣)五百年一遇凈雨過(guò)程計(jì)算表 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t Q計(jì)算表 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Series1 Series2 Series3 Series4 Series5 Series6 Series7 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 由圖可知五

36、十年一遇 (h)2.90 00.1Q地面Q地面0.2Q地面0Q73.00 00.1T0.25T0.5TT W(萬(wàn)m3)109.1346 T(h)14.46 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置 d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 07.3073.0014.600 01.453.617.2314.46 R下31.19Q地下 Qm地下3.310.23 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Series1 Series2 Series3 Series4 Series5 Series6

37、 Series7 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 五百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 20 40 60 80 100 120 t(h) Q(m3/s) Series1 Q地面Q地下Q總 t(h) 3456 0000 1.457.300.477.77 2.1773.001.1874.18 3.6114.602.3616.96 7.230.003.313.31 1.002.992.99 1.002.662.66 1.002.342.34 1.002.012.01 1.001

38、.681.68 1.001.361.36 1.001.031.03 1.000.700.70 1.000.380.38 1.000.050.05 1.00(0.27)(0.27) 1.00(0.60)(0.60) 1.00(0.93)(0.93) 1.00(1.25)(1.25) (h)3.00座標(biāo)序號(hào)a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) Q58.00Q地面100.1Q地面Q地面0.2Q地面0 T(h)200.1T0.25T0.5TT T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) W(萬(wàn)m3) 88.50765 T(h)14.76 地面流量過(guò)程線計(jì)算表 座標(biāo)

39、序號(hào)a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn) c洪峰位置d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) Q地面105.8058.0011.600 T(h)201.483.697.3814.76 求出地下流量峰值Qm地下=R下*F/(3.6T) R下25.98 Qm地下2.70 二十年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 序號(hào) 時(shí)間 Q地面Q地下Q總 T(h) t(h) 123456 (1)00000 (2)1.481.485.800.486.28 五十年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 時(shí)間 (3)3.692.2158.001.2059.20 (4)7.383.6911.602.4114.01 (5)14.767.380.002.702.70 (6)15.761

40、.002.382.38 (7)16.761.002.052.05 (8)17.761.001.731.73 (9)18.761.001.401.40 (10)19.761.001.071.07 (11)20.761.000.750.75 (12)21.761.000.420.42 (13)22.761.000.090.09 (14)23.761.00(0.23)(0.23) (15)24.761.00(0.56)(0.56) (16)25.761.00(0.88)(0.88) (17)26.761.00(1.21)(1.21) (18)27.761.00(1.54)(1.54) (19)28.

41、761.00(1.86)(1.86) (彭澤縣)倆百年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段序號(hào)12345 P(1)4.494.494.494.494.49 P(2)4.868.9713.4617.9522.44 P+Pa(3)74.8678.9783.4687.9592.44 R總(4)1.502.905.007.209.60 R總(5)1.501.402.102.202.40 1.870128R下(6)1.501.401.871.871.87 H24(7)0.000.000.230.330.53 Qtt計(jì)算表 時(shí)段序號(hào)12345 ht(1)113.0734.9322.6619.7616.53 mm

42、ht(2)113.07148.00170.66190.42206.95 mm/hht/t(3)113.0774.0056.8947.6141.39 (m3/s)Qt(4)173.83113.7687.4573.1963.63 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t fc1.689148 (彭澤縣)一百年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段序號(hào)12345 P(1)4.124.124.124.124.12 P(2)4.868.2512.3716.4920.62 P+Pa(3)74.8678.2582.3786.4990.62 R總(4)1.502.70

43、4.506.458.60 R總(5)1.501.201.801.952.15 R下(6)1.501.201.691.691.69 H24(7)0.000.000.110.260.46 Qtt計(jì)算表 時(shí)段序號(hào)12345 ht(1)102.5331.0520.1316.6113.61 ht(2)102.53133.58153.71170.32183.93 ht/t(3)102.5366.7951.2442.5836.79 Qt(4)157.62102.6878.7765.4656.55 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t fc1.508167

44、 (彭澤縣)五十年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段序號(hào)12345 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Series1 Series2 Series3 Series4 Series5 Series6 Series7 P(1)3.833.833.833.833.83 P(2)4.867.6711.5015.3419.17 P+Pa(3)74.8677.6781.5085.3489.17 R總(4)1.502.504.105.957.80 R總(5)1.501.00

45、1.601.851.85 R下(6)1.501.001.511.511.51 H24(7)0.000.000.090.340.34 Qtt計(jì)算表 時(shí)段序號(hào)12345 ht(1)91.9826.5317.3312.9910.89 ht(2)91.98118.51135.84148.83159.72 ht/t(3)91.9859.2645.2837.2131.94 Qt(4)141.4091.1069.6157.2049.11 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t fc1.260158 (彭澤縣)二十年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段序號(hào)1234

46、5 P(1)3.343.343.343.343.34 P(2)4.866.6810.0213.3716.71 P+Pa(3)74.8676.6880.0283.3786.71 R總(4)1.502.203.305.006.55 R總(5)1.500.701.101.701.55 R下(6)1.500.701.101.261.26 H24(7)0.000.000.000.440.29 Qtt計(jì)算表 時(shí)段序號(hào)12345 ht(1)77.6619.3413.828.948.14 ht(2)77.6697.00110.82119.76127.90 ht/t(3)77.6648.5036.9429.94

47、25.58 Qt(4)119.3974.5656.7946.0339.33 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t fc1.072475 (彭澤縣)十年一遇凈雨過(guò)程計(jì)算表 項(xiàng)目 時(shí)段序號(hào)12345 P(1)2.962.962.962.962.96 P(2)4.865.918.8711.8314.79 P+Pa(3)74.8675.9178.8781.8384.79 Qtt,Q相關(guān)圖 20181614121086420 0.00 50.00 100.00 150.00 200.00 250.00 300.00 t,(h) Q(m3/s) Ser

48、ies1 Series2 Series3 Series4 Series5 Series6 Series7 五百年一遇設(shè)計(jì)洪水過(guò)程線 302520151050 0 20 40 60 80 100 120 t(h) Q(m3/s) Series1 R總(4)1.502.002.804.205.66 R總(5)1.500.500.801.401.46 R下(6)1.500.500.801.071.07 H24(7)0.000.000.000.330.39 Qtt計(jì)算表 時(shí)段序號(hào)12345 ht(1)65.6613.7311.296.736.43 ht(2)65.6679.3990.6897.4110

49、3.84 ht/t(3)65.6639.7030.2324.3520.77 Qt(4)100.9461.0246.4737.4431.93 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t 由圖可知十年一遇 (h)3.10座標(biāo)序號(hào) Q46.00Q地面1 T(h)2 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 座標(biāo)序號(hào) Q地面1 T(h)2 Q地下 求出地下流量峰值Qm地下=R下*F/(3.6T) 0.18 十年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 序號(hào) 時(shí)間 T(h) 12 (1)0 (2)1.53 (3)3.83 (4)

50、7.66 (5)15.32 (6)16.32 (7)17.32 (8)18.32 (9)19.32 (10)20.32 (11)21.32 (12)22.32 (13)23.32 (14)24.32 (15)25.32 (16)26.32 (17)27.32 (18)28.32 (19)29.32 67891011121314 4.490.000.000.008.978.978.9710.9221.84 26.9226.9226.9226.9235.9044.8753.8464.7686.60 96.9296.9296.9296.92105.90114.87123.84134.76156.60

51、 12.3012.3012.3012.3017.9023.9030.3038.4056.80 2.700.000.000.005.606.006.408.1018.40 1.871.871.871.871.871.87 0.833.734.134.536.2316.53 67891011121314 6.236.206.215.314.534.133.732.622.61 213.18219.38225.59230.90235.43239.56243.29245.91248.52 35.5331.3428.2025.6623.5421.7820.2718.9217.75 54.6248.184

52、3.3539.4436.1933.4831.1729.0827.29 67891011121314 4.120.000.000.008.258.258.259.6619.33 24.7424.7424.7424.7432.9941.2349.4859.1578.47 94.7494.7494.7494.74102.99111.23119.48129.15148.47 10.9010.9010.9010.9016.0021.3527.1534.2049.50 2.300.000.000.005.105.355.807.0515.30 1.691.691.691.691.691.69 0.613.

53、413.664.115.3613.61 67891011121314 5.735.735.364.914.113.663.412.442.43 189.66195.39200.75205.66209.77213.43216.84219.28221.71 31.6127.9125.0922.8520.9819.4018.0716.8715.84 48.6042.9138.5835.1332.2529.8327.7825.9324.35 67891011121314 (彭澤縣)倆百年一遇凈雨過(guò)程計(jì)算表 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278F

54、ht/t (彭澤縣)一百年一遇凈雨過(guò)程計(jì)算表 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t (彭澤縣)五十年一遇凈雨過(guò)程計(jì)算表 3.830.000.000.007.677.677.678.2516.51 23.0023.0023.0023.0030.6738.3446.0154.2670.77 93.0093.0093.0093.00100.67108.34116.01124.26140.77 9.909.909.909.9014.4519.4524.7030.6043.00 2.100.000.000.004.555.005.255

55、.9012.40 1.511.511.511.511.511.51 0.593.043.493.744.3910.89 67891011121314 5.395.394.634.393.743.493.042.322.33 165.11170.50175.13179.52183.26186.75189.79192.11194.44 27.5224.3621.8919.9518.3316.9815.8214.7813.89 42.3137.4533.6530.6628.1726.1024.3122.7221.35 67891011121314 3.340.000.000.006.686.686.

56、686.5213.03 20.0520.0520.0520.0526.7333.4140.1046.6159.65 90.0590.0590.0590.0596.73103.41110.10116.61129.65 8.208.208.208.2012.2015.3020.6025.1034.50 1.650.000.000.004.003.105.304.509.40 1.261.261.261.261.261.26 0.392.741.844.043.248.14 67891011121314 4.754.764.083.244.042.082.081.842.74 132.65137.4

57、1141.49144.73148.77150.85152.93154.77157.51 22.1119.6317.6916.0814.8813.7112.7411.9111.25 33.9930.1827.1924.7222.8721.0819.5918.3017.30 67891011121314 2.960.000.000.005.915.915.915.2910.58 17.7417.7417.7417.7423.6629.5735.4940.7851.36 87.7487.7487.7487.7493.6699.57105.49110.78121.36 Qtt計(jì)算表 ht為H24按前后

58、相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t (彭澤縣)二十年一遇凈雨過(guò)程計(jì)算表 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t (彭澤縣)十年一遇凈雨過(guò)程計(jì)算表 7.007.007.007.0010.3013.7517.6021.0028.50 1.340.000.000.003.303.453.853.407.50 1.071.071.071.071.071.07 0.272.232.382.782.336.43 67891011121314 4.264.253.662.332.782.382.231.8

59、91.89 108.10112.35116.01118.34121.12123.50125.73127.62129.51 18.0216.0514.5013.1512.1111.2310.489.829.25 27.7024.6722.2920.2118.6217.2616.1115.0914.22 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn)c洪峰位置d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬(wàn)m3) 72.87987 T(h)15.32 a起漲點(diǎn) b漲轉(zhuǎn)折點(diǎn)c洪峰位置d退轉(zhuǎn)折點(diǎn) e終止點(diǎn) 04.6046.009.200 01.533.837.6615.32 R下22.06Q地下 Qm地下2.210.14 Q地面Q地下Q總 t(h) 3456 0000 1.534.600.505.10 Qtt計(jì)算表 ht為H24按前后相鄰時(shí)段大小連續(xù)排列,Qt為ht/t計(jì)算公式:Qt=0.278Fht/t T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過(guò)程線計(jì)算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 十年一遇設(shè)計(jì)洪水過(guò)程計(jì)算表 時(shí)間

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