浙江省推理公式法

,,,,,,,,插值計算器,,,,,,

,,,,,,,,0.46,0.47,0.48,,,,

,,,,,,,,1.31,1.315,1.319,,,,

歷時點(diǎn)號,,10min,1hr,6h,24h,,,,,,,,,

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1,均值,18,43,71,108,,,,,,,,,

,Cv,0.3,0.42,0.49,0.51,,,,,,,,,

2,均值,18,43,71,108,,,,,,,,,

,Cv,0.3,0.42,0.49,0.51,,,,,,,,,

平均,均值,18.00,43.00,71.00,108.00,,,,,,,,,

,Cv,0.30,0.42,0.49,0.51,,,,,,,,,

歷時,,10min,1h,6h,24h,,,,1,,,,,

平均點(diǎn)雨量,均值,18.00,43.00,71.00,108.00,,,,,,,,,

,Cv,0.30,0.42,0.49,0.51,,,,,,,,,

面雨量,α,1.00,1.00,1.00,1.00,,,,,,,,,

,均值,18.00,43.00,71.00,108.00,Cs=3.5Cv,,,,,,,,

,Cv,0.30,0.42,0.49,0.51,PCv,,,,,,,,

設(shè)計面雨量(Hp),1%,34.488,102.77,194.54,295.92,,,0.3,0.42,0.49,0.51,,,

,2%,31.842,92.45,171.82,261.36,Kp,1%,1.916,2.39,2.74,2.74,已查閱數(shù)據(jù),,

,5%,28.188,78.131,141.148,214.704,,2%,1.769,2.15,2.42,2.42,,,

,10%,25.236,67.08,117.931,179.388,,5%,1.566,1.817,1.988,1.988,,,

,20%,22.068,55.556,94.146,143.208,,10%,1.402,1.56,1.661,1.661,,,

,,,,,,,20%,1.226,1.292,1.326,1.326,,,

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設(shè)計暴雨重現(xiàn)期,,,,,100年,,,,,,,,,

時間,10min,,1h,,6h,,24h,,72h,,,,,

Hp(mm),34.488,,102.770,,194.540,,295.920,,,,,,,

n,,0.391,,0.644,,0.697,,,,,,,,

設(shè)計暴雨重現(xiàn)期,,,,,50年,,,,,,,,,

時間,10min,,1h,,6h,,24h,,72h,,,,,

Hp(mm),31.842,,92.450,,171.820,,261.360,,,,,,,

n,,0.405,,0.654,,0.697,,,,,,,,

設(shè)計暴雨重現(xiàn)期,,,,,20年,,,,,,,,,

時間,10min,,1h,,6h,,24h,,72h,,,,,

Hp(mm),28.188,,78.131,,141.148,,214.704,,,,,,,

n,,0.431,,0.670,,0.697,,,,,,,,

設(shè)計暴雨重現(xiàn)期,,,,,10年,,,,,,,,,

時間,10min,,1h,,6h,,24h,,72h,,,,,

Hp(mm),25.236,,67.080,,117.931,,179.388,,,,,,,

n,,0.454,,0.685,,0.697,,,,,,,,

設(shè)計暴雨重現(xiàn)期,,,,,5年,,,,,,,,,

時間,10min,,1h,,6h,,24h,,72h,,,,,

Hp(mm),22.068,,55.556,,94.146,,143.208,,,,,,,

n,,0.485,,0.706,,0.697,,,,,,,,

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集雨面積,8.003,Km2,主流長度,4.395,Km,坡度i,0.0484,,,,,,,

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小流域洪水計算（推理公式法）,,,,,,,,,,,,,,

名稱,符號,單位,數(shù)值,,,,,,,,,,,

年最大24h降雨均值,H24均,mm,108.000,,,,,,,,,,,

變差系數(shù),CV,,0.510,,,,,,,,,,,

偏態(tài)系數(shù),CS,,3.500,5年一遇,10年一遇,20年一遇,50年一遇,,,,,,,

暴雨衰減指數(shù),n,,0.697,0.697,0.697,0.697,0.697,,,,,,,

穩(wěn)滲,μ,mm/h,2.000,1,1,1,1,,,,,,,

流域面積,F,km2,8.00,8.00,8.00,8.00,8.003,,,,,,,

河道主流長度,L,km,4.40,4.40,4.40,4.40,4.395,,,,,,,

河道平均坡降,J,,0.0484,0.0484,0.0484,0.0484,0.0484,,,,,,,

下墊面類型,,,3.000,3,3,3,3,,,,,,,

設(shè)計頻率,P,,2%,20%,10%,5%,2%,,,,,,,

設(shè)計洪峰流量,Q,m3/s,190.133,84.01026106,111.2107468,138.9109247,176.9932643,,,,,,,

年最大24h降雨量設(shè)計值,H24P,mm,179.388,143.208,179.388,214.704,261.360,,,,,,,

設(shè)計雨力,SP,mm/h,68.576,54.745,68.576,82.077,99.912,,,,,,,

產(chǎn)流時間,tc,h,28.626,55.992,77.338,100.069,132.663,,,,,,,

計算系數(shù),θ,,12.060,12.060,12.060,12.060,12.060,,,,,,,

匯流參數(shù),m,,0.770,0.675,0.675,0.675,0.675,,,,,,,

匯流時間,τ,h,1.173,1.641,1.530,1.447,1.362,,,,,,,

判別條件,ΔQ＝0,m3/s,58.089,0.000,0.000,0.000,0.000,,,,,,,

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地點(diǎn),集雨面積,主流河長(M),河道比降,參數(shù),50年一遇,20年一遇,10年一遇,5年一遇,,,,,,

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梅岐鄉(xiāng)堤防,8.00,4.40,0.05,設(shè)計洪峰流量Q(m3/s),176.9932643,138.9109247,111.2107468,84.01026106,,,,,,

,,,,洪峰模數(shù)(m3/s/km2),22.12,17.36,13.90,10.50,,,,,,

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植被較好,m=0.3θ^0.154,,,,,,,,,,,,,

P,H1,"n0.17,1","n1,6",假定Q,試算Q,平均Q,θ,m,V,τ,"xt,p",Sp,i,洪峰模數(shù)

100,102.77,0.391,0.644,64.35,120.94,92.64285538,12.05990145,0.44019813,0.454360378,2.689076909,146.1706479,102.77,54.35718385,11.576

50,92.45,0.405,0.654,71.47,109.56,90.51412771,12.05990145,0.44019813,0.46643836,2.619445794,128.9902578,92.45,49.24333924,11.310

20,78.131,0.431,0.670,56.71,87.72,72.21684334,12.05990145,0.44019813,0.440228572,2.77539914,109.4320945,78.131,39.42931773,9.024

10,67.08,0.454,0.685,38.65,69.44,54.04700329,12.05990145,0.44019813,0.399991432,3.054590429,95.34329206,67.08,31.21311818,6.753

5,55.556,0.485,0.706,30.75,53.99,42.36955006,12.05990145,0.44019813,0.377767502,3.234290917,78.48516165,55.556,24.26657454,5.294

植被不好,m=0.6θ^0.1,,,,,V=m*J^1/3*Q^1/4,,,τ=0.278L/V,,,,,

P,H1,"n0.17,1","n1,6",假定Q,試算Q,平均Q,θ,m,V,τ,"xt,p",Sp,i,洪峰模數(shù)

100,102.77,0.391,0.644,106.69,162.08,134.3868513,1.205990145,0.611343961,0.716030753,1.706365256,124.3121954,102.77,72.8520432,16.792

50,92.45,0.405,0.654,94.97,142.28,118.6238881,1.205990145,0.611343961,0.695500356,1.756735263,112.3429373,92.45,63.94983906,14.822

20,78.131,0.431,0.670,79.49,115.67,97.58238288,1.205990145,0.611343961,0.665240791,1.836643238,95.49174293,78.131,51.99253777,12.193

10,67.08,0.454,0.685,67.42