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1、流域面積F(km2)主河道長度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,后面相對應(yīng)的 數(shù)值需要改變) 都昌縣1108340.8 樂平市1248545 變差系數(shù)Cv24h6h1h 彭澤縣0.450.510.43 都昌縣0.650.580.39 樂平市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 樂平市1.61.661.53

3、五十一遇設(shè)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二百年一遇設(shè)計洪水過程線 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)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 彭澤縣 區(qū) 都昌縣 樂平市區(qū) 暴雨歷時 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 樂平市389.36295.8126.9213

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

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

7、174 點暴雨值/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,后面相對應(yīng)的 數(shù)值需要改變) 一百年一遇設(shè)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計洪水過程線 2520151050 0 10 20 30 40 50

8、60 70 T(h) Q總 Series1 五十一遇設(shè)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二百年一遇設(shè)計洪水過程線 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87689 3525分母總計881721 J0.09945209 十年一遇設(shè)計洪水過程線 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)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 T(h) Q總 Series1 二十年一遇設(shè)計洪水過程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 (彭澤縣)五百年一遇凈雨過程計算表 項目 時段 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 樂平市232.933504168.76095579.89174 126.364723.00 24.00 面暴雨值/P(10%)24h6h1h3h合計 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,藍色為P60min都昌縣201.13896144.91592561.85476 104.2485 樂平市198.24128140.7754768.67099 106.6392 一百年一遇設(shè)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計洪水過程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 二十年一遇設(shè)計洪水過程線

14、 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 十年一遇設(shè)計洪水過程線 302520151050 -10 0 10 20 30 40 50 T(h) Q總 Series1 序號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計算表 所占百分數(shù)%H0.2%H0.5%H1%H2%H5%H10%時段序號 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按前后相鄰時段大小

16、連續(xù)排列,Qt為ht/t計算公式: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 求地面流量過程線(采用五點折腰多邊形)和地下流量過程線 40.0028.3424.5321.8218.8415.0812.37 9.008.768.087.426.906.015.32座標(biāo)序

18、號 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地面流量過程線計算表 座標(biāo)序號 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)五百年一遇凈雨過程計算表 項目 時段

19、 P P P+Pa R總 R總 R下 H24 以60min為時段的雨型分配表(彭澤縣) 注:黑色為P24-P6,粉色為P6-P3,青色為P3-P60min,藍色為P60min 五百年一遇設(shè)計洪水過程計算表 序號 時間 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 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) 地面流量過程線計算表 座標(biāo)序號 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)計洪水過程計算表 序號 時間 一百年一遇設(shè)計洪水過程線 302520151050 0 10 20 30 40 50 60 70 80 90 T(h) Q總 Series1 二十年一遇設(shè)計洪水過程線 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 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) 地面流量過程線計算表 座標(biāo)序號 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)計洪水過程計算表 序號 時間 T(h) 12 (1)0 (2)1.47 二十年一遇設(shè)計洪水過程線 2520151050 0 10 20 30 40 50 60 70 T(h) Q總 Series1 序號 (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 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點

25、e終止點 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬m3) 159.1036 T(h)14.25 a起漲點 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 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)五百年一遇凈雨過程計算表 Qtt計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式: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 求地面流量過程線(采用五點折腰多邊形)和地下流量過程線 T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過程線計算表 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 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬m3) 139

28、.4445座標(biāo)序號 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 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 09.0090.0018.000 01.503.757.4914.98地面流量過程線計算表 座標(biāo)序號 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)計洪水過程線 302520151050 0 20 40 60 80 100 120 t(h) Q(m3/s) Series1 五百年一遇設(shè)計洪水過程計算表 時間 T=9.

29、67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過程線計算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 二百年一遇設(shè)計洪水過程計算表 時間 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)計洪水過程計算表 3456 0000 序號 時間 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 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 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m3) 124.2923 T(h)14.66 a起漲點 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 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) 地面流量過程線計算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 一百年一遇設(shè)計洪水過程計算表 時間 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 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)五百年一遇凈雨過程計算表 Qtt計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t Q計算表 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 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 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m3)109.1346 T(h)14.46 a起漲點 b漲轉(zhuǎn)折點 c洪峰位置 d退轉(zhuǎn)折點 e終止點 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) 地面流量過程線計算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 五百年一遇設(shè)計洪水過程線 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a起漲點 b漲轉(zhuǎn)折點 c洪峰位置d退轉(zhuǎn)折點 e終止點 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m3) 88.50765 T(h)14.76 地面流量過程線計算表 座標(biāo)

39、序號a起漲點 b漲轉(zhuǎn)折點 c洪峰位置d退轉(zhuǎn)折點 e終止點 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)計洪水過程計算表 序號 時間 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)計洪水過程計算表 時間 (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)倆百年一遇凈雨過程計算表 項目 時段序號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計算表 時段序號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按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t fc1.689148 (彭澤縣)一百年一遇凈雨過程計算表 項目 時段序號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計算表 時段序號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按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t fc1.508167

44、 (彭澤縣)五十年一遇凈雨過程計算表 項目 時段序號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計算表 時段序號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按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t fc1.260158 (彭澤縣)二十年一遇凈雨過程計算表 項目 時段序號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計算表 時段序號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按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t fc1.072475 (彭澤縣)十年一遇凈雨過程計算表 項目 時段序號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)計洪水過程線 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計算表 時段序號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按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t 由圖可知十年一遇 (h)3.10座標(biāo)序號 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) 地面流量過程線計算表 座標(biāo)序號 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)計洪水過程計算表 序號 時間 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)倆百年一遇凈雨過程計算表 Qtt計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278F

54、ht/t (彭澤縣)一百年一遇凈雨過程計算表 Qtt計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t (彭澤縣)五十年一遇凈雨過程計算表 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計算表 ht為H24按前后

58、相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t (彭澤縣)二十年一遇凈雨過程計算表 Qtt計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t (彭澤縣)十年一遇凈雨過程計算表 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 b漲轉(zhuǎn)折點c洪峰位置d退轉(zhuǎn)折點 e終止點 00.1Q地面Q地面0.2Q地面0 00.1T0.25T0.5TT W(萬m3) 72.87987 T(h)15.32 a起漲點 b漲轉(zhuǎn)折點c洪峰位置d退轉(zhuǎn)折點 e終止點 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計算表 ht為H24按前后相鄰時段大小連續(xù)排列,Qt為ht/t計算公式:Qt=0.278Fht/t T=9.67W/Qm地面(W為洪水總量=0.1*H24凈雨*F) 地面流量過程線計算表 求出地下流量峰值Qm地下=R下*F/(3.6T) 十年一遇設(shè)計洪水過程計算表 時間

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