暴雨洪水计算表格

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,第一步：输入原始数据,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,符号,名称,,,数值,备注,,,,,,,,,,,,,,,,,,,,,,

,,F,流域面积(m2),,,0.42,可由地图上量得,,,,,,,,,,,,,,,,,,,,,,

,,L,河长(km),,,0.85,,,,,,,,,,,,,,,,,,,,,,,

,,J,坡降,,,0.0251,J=【(h0+h1)l1+(h1+h2)l2+…+hn-1+hn)ln-2h0L】/L2,,,,,,,,,,,,,,,,,,,,,,

,,H24点,流域中心24小时点雨量(mm),,,106.0,查图,,,,,,,,,,,,,,,,,,,,,,

,,CV,变异系数,,,0.45,查图(取0.45~0.48),,,,,,,,,,,,,,,,,,,,,,

,,ψ,产流系数（R上/R总）,,,0.70,查表十一,,,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,α,点面折算系数,,,1.00,小流域取α=1.0,,,,,,,,,,,,,,,,,,,,,,

,,I0,降雨初损(mm),,,25.0,查产汇流一致区分区图,,,,,,,,,,,,,,,,,,,,,,

,,CS,偏态系数,,,3.5,一般取CS=3.5,,,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,θ,流域地理参数,,,3.61,θ=L/(F1/4j1/3),,,,,,,,,,,,,,,,,,,,,,

,,m,流域汇流参数,,,0.27,m=0.145θ0.489,,,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,第二步：根据CV值查表(二)求不同频率的24小时点雨量及面雨量(CV=0.45、α=1.0),,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,P(%),,0.50,5.00,10.00,,,,,,,,,,,,,,,,,,,,,,,

,,KP,,2.79,1.88,1.60,,,,,,,,,,,,,,,,,,,,,,,

,,H24点(mm),,295.74,199.28,169.60,,根据表二查Kp值,,,,,,,,,,,,,,,,,,,,,

,,H24面(mm),,295.74,199.28,169.60,,,,,,,,,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,第三步：根据H24面及F查图求n2、n3,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,P(%),0.5,5,10,,,,,,,,,,,,,,,,,,,,,,,,

,,n2,0.62,0.63,0.64,,,,,,,,,,,,,,,,,,,,,,,,

,,n3,0.77,0.82,0.83,,,,,,,,,,,,,,,,,,,,,,,,

,第四步：求不同频率暴雨二十四小时的时程分配,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,P(%),,0.5,5,10,,,,,,,,,,,,,,,,,,,,,,,,

,最大1小时,,107.11,79.89,70.30,,,,,,,,,,,,,,,,,,,,,,,,

,最大3小时,,163.50,119.57,104.40,,,,,,,,,,,,,,,,,,,,,,,,

,最大6小时,,213.51,154.20,133.99,,,,,,,,,,,,,,,,,,,,,,,,

,最大12小时,,251.29,175.30,150.75,,,,,,,,,,,,,,,,,,,,,,,,

,最大24小时,,295.74,199.28,169.60,,,,,,,,,,,,,,,,,,,,,,,,

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,第五步：求不同频率降雨时程分配,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,,,,,,,P=0.5%、P=5%、P=10%时，24小时降雨时程分配计算表,,,,,,,,,,,,,,,,,,,,,

,时段,一,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,合计,,

,H1,二,,,,,,,,,,,,,,100.0,,,,,,,,,,,,,

,,三,P=0.5%,,,,,,,,,,,,,107.1,,,,,,,,,,,107.11,,

,,四,P=5%,,,,,,,,,,,,,79.89,,,,,,,,,,,79.89,,

,,五,P=10%,,,,,,,,,,,,,70.30,,,,,,,,,,,70.30,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,H3-H1,六,,,,,,,,,,,,,59.80,,40.20,,,,,,,,,,,,

,,七,P=0.5%,,,,,,,,,,,,33.72,,22.67,,,,,,,,,,56.39,,

,,八,P=5%,,,,,,,,,,,,23.72,,15.95,,,,,,,,,,39.67,,

,,九,P=10%,,,,,,,,,,,,20.39,,13.71,,,,,,,,,,34.10,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,H6-H3,十,,,,,,,,,,,,28.00,,,,42.20,29.80,,,,,,,,,,

,,十一,P=0.5%,,,,,,,,,,,14.00,,,,21.10,14.90,,,,,,,,50.01,,

,,十二,P=5%,,,,,,,,,,,9.70,,,,14.62,10.32,,,,,,,,34.63,,

,,十三,P=10%,,,,,,,,,,,8.29,,,,12.49,8.82,,,,,,,,29.59,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,H12-H6,十四,,,,,,,,,,4.60,20.30,,,,,,,30.60,18.50,17.60,8.40,,,,,,

,,十五,P=0.5%,,,,,,,,,1.74,7.67,,,,,,,11.56,6.99,6.65,3.17,,,,37.77,,

,,十六,P=5%,,,,,,,,,0.97,4.28,,,,,,,6.46,3.90,3.71,1.77,,,,21.10,,

,,十七,P=10%,,,,,,,,,0.77,3.40,,,,,,,5.13,3.10,2.95,1.41,,,,16.76,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,H24-H12,十八,,4.50,4.50,4.60,4.60,4.60,4.60,13.60,22.70,,,,,,,,,,,,,13.60,13.60,9.10,,,

,,十九,P=0.5%,2.00,2.00,2.04,2.04,2.04,2.04,6.05,10.09,,,,,,,,,,,,,6.05,6.05,4.05,44.45,,

,,二十,P=5%,1.08,1.08,1.10,1.10,1.10,1.10,3.26,5.44,,,,,,,,,,,,,3.26,3.26,2.18,23.98,,

,,二十一,P=10%,0.85,0.85,0.87,0.87,0.87,0.87,2.56,4.28,,,,,,,,,,,,,2.56,2.56,1.72,18.85,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,Ht,二十二,P=0.5%,2.00,2.00,2.04,2.04,2.04,2.04,6.05,10.09,1.74,7.67,14.00,33.72,107.1,22.67,21.10,14.90,11.56,6.99,6.65,3.17,6.05,6.05,4.05,295.74,,

,,二十三,P=5%,1.08,1.08,1.10,1.10,1.10,1.10,3.26,5.44,0.97,4.28,9.70,23.72,79.89,15.95,14.62,10.32,6.46,3.90,3.71,1.77,3.26,3.26,2.18,199.28,,

,,二十四,P=10%,0.85,0.85,0.87,0.87,0.87,0.87,2.56,4.28,0.77,3.40,8.29,20.39,70.30,13.71,12.49,8.82,5.13,3.10,2.95,1.41,2.56,2.56,1.72,169.60,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,R总,二十五,P=0.5%,-23.00,-21.00,-18.95,-16.91,-14.86,-12.82,-6.77,3.32,1.74,7.67,14.00,33.72,107.1,22.67,21.10,14.90,11.56,6.99,6.65,3.17,6.05,6.05,4.05,270.74,,

,,二十六,P=5%,-23.92,-22.84,-21.74,-20.63,-19.53,-18.43,-15.17,-9.72,-8.75,-4.47,5.23,23.72,79.89,15.95,14.62,10.32,6.46,3.90,3.71,1.77,3.26,3.26,2.18,174.28,,

,,二十七,P=10%,-24.15,-23.30,-22.44,-21.57,-20.70,-19.83,-17.27,-12.99,-12.22,-8.82,-0.53,19.86,70.30,13.71,12.49,8.82,5.13,3.10,2.95,1.41,2.56,2.56,1.72,144.60,检验,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,R上=0.7R总,二十八,P=0.5%,,,,,,,,2.49,1.30,5.75,10.50,25.29,80.33,17.00,15.83,11.18,8.67,5.24,4.99,2.38,4.53,4.53,3.03,203.06,203.06,对

,,二十九,P=5%,,,,,,,,,,,3.92,17.79,59.92,11.96,10.96,7.74,4.84,2.93,2.78,1.33,2.45,2.45,1.64,130.71,130.71,对

,,三十,P=10%,,,,,,,,,,,,14.90,52.72,10.28,9.37,6.61,3.85,2.32,2.21,1.06,1.92,1.92,1.29,108.45,108.45,对

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,第六步：求不同频率洪水过程,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,1、时段净雨强度计算表,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,,P=0.5%,,,P=5%,,,P=10%,,,,,,,,,,,,,,,,,,,,,

,,R上大-小,ΣR上,Rt/t,R上大-小,ΣR上,Rt/t,R上大-小,ΣR上,Rt/t,,,,,,,,,,,,,,,,,,,

,1,80.33,80.33,80.33,59.92,59.92,59.92,52.72,52.72,52.72,,,,,,,,,,,,,,,,,,,

,2,25.29,105.63,52.81,17.79,77.71,38.86,14.90,67.62,33.81,,,,,,,,,,,,,,,,,,,

,3,17.00,122.63,40.88,11.96,89.67,29.89,10.28,77.90,25.97,,,,,,,,,,,,,,,,,,,

,4,15.83,138.46,34.61,10.96,100.64,25.16,9.37,87.27,21.82,,,,,,,,,,,,,,,,,,,

,5,11.18,149.63,29.93,7.74,108.38,21.68,6.61,93.88,18.78,,,,,,,,,,,,,,,,,,,

,6,10.50,160.14,26.69,4.84,113.22,18.87,3.85,97.72,16.29,,,,,,,,,,,,,,,,,,,

,7,8.67,168.80,24.11,3.92,117.14,16.73,2.32,100.05,14.29,,,,,,,,,,,,,,,,,,,

,8,5.75,174.55,21.82,2.93,120.07,15.01,2.21,102.26,12.78,,,,,,,,,,,,,,,,,,,

,9,5.24,179.80,19.98,2.78,122.85,13.65,1.06,103.32,11.48,,,,,,,,,,,,,,,,,,,

,10,4.99,184.78,18.48,1.33,124.18,12.42,1.92,105.24,10.52,,,,,,,,,,,,,,,,,,,

,11,2.38,187.16,17.01,2.45,126.63,11.51,1.92,107.16,9.74,,,,,,,,,,,,,,,,,,,

,12,4.53,191.70,15.97,2.45,129.07,10.76,1.29,108.45,9.04,,,,,,,,,,,,,,,,,,,

,13,4.53,196.23,15.09,1.64,130.71,10.05,,,,,,,,,,,,,,,,,,,,,,

,14,3.03,199.26,14.23,,,,,,,,,,,,,,,,,,,,,,,,,

,15,1.30,200.57,13.37,,,,,,,,,,,,,,,,,,,,,,,,,

,16,2.49,203.06,12.69,,,,,,,,,,,,,,,,,,,,,,,,,

,17,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,18,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,19,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,20,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,2、试算求Qm及τ,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,,,,P=0.5%,,,,,,,,,P=5%,,,,,,,,,,P=10%,,,,,,

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,,,第一次试算,,,,,,,,,第一次试算,,,,,,,,,,第一次试算,,,,,,,

,,,设t1值(初始),,t1=2.0h,,,,,,,设t1值(初始),,t1=2.0h,,,,,,,,设t1值(初始),,t1=2.0h,,,,,

,,,查图求Rt/t,,52.00,,,,,,,查图求Rt/t,,38.00,,,,,,,,查图求Rt/t,,34.00,,,,,

,,,则有：,Qm1,6.07,,,,,,,则有：,Qm1,4.44,,,,,,,,则有：,Qm1,3.97,,,,,

,,,,τ1,1.89,,,,,,,,τ1,2.05,,,,,,,,,τ1,2.11,,,,,

,,,第二次试算,,,,,,,,,第二次试算,,,,,,,,,,第二次试算,,,,,,,

,,,设t2值(t2=τ1),,1.89,,,,,,,设t2值(t2=τ1),,2.05,,,,,,,,设t2值(t2=τ1),,2.11,,,,,

,,,查图求Rt/t,,53.00,,,,,,,查图求Rt/t,,37.00,,,,,,,,查图求Rt/t,,32.00,,,,,

,,,,Qm2,6.19,,,,,,,,Qm2,4.32,,,,,,,,,Qm2,3.74,,,,,

,,,,τ2,1.88,,,,,,,,τ2,2.06,,,,,,,,,τ2,2.14,,,,,

,,,第三次试算,,,,,,,,,第三次试算,,,,,,,,,,第三次试算,,,,,,,

,,,设t3值(t3=τ2),,1.88,,,,,,,设t3值(t3=τ2),,2.06,,,,,,,,设t3值(t3=τ2),,2.14,,,,,

,,,查图求Rt/t,,53.00,,,,,,,查图求Rt/t,,37.00,,,,,,,,查图求Rt/t,,32.00,,,,,

,,,,Qm3,6.19,,,,,,,,Qm3,4.32,,,,,,,,,Qm3,3.74,,,,,

,,,,τ3,1.88,,,,,,,,τ3,2.06,,,,,,,,,τ3,2.14,,,,,

,,,检验τ3是否等于τ2,,,是,,,,,,检验τ3是否等于τ2,,,是,,,,,,,检验τ3是否等于τ2,,,是,,,,

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,3、求洪水过程,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,R上,F,ΣQi,Qm/ΣQi,,,,,,,R上,F,ΣQi,Qm/ΣQi,,,,,,R上,F,ΣQi,Qm/ΣQi,,,,,,

,203.06,0.42,23.69,0.261,,,,,,,130.71,0.42,15.25,0.283,,,,,,108.45,0.42,12.65,0.295,,,,,,

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,根据Qm/ΣQi的值查表(十二)中峰量比为,,,,0.26,,,,,根据Qm/ΣQi的值查表(十二)中峰量比为,,,,,0.28,,,,根据Qm/ΣQi的值查表(十二)中峰量比为,,,,,0.30,,,,,

,适当调整时段分配系数，并填入下表,,,,,,,,,适当调整时段分配系数，并填入下表,,,,,,,,,适当调整时段分配系数，并填入下表,,,,,,,,,,

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,,,,地面径流过程底宽为(小时),,,14,,,,,地面径流过程底宽为(小时),,,,14,,,,,地面径流过程底宽为(小时),,,,14,,,,

,,,,,,Qm地,0.677,,,,,,,,Qm地,0.436,,,,,,,,Qm地,0.362,,,,

,,,,,,ΔQm,0.048,,,,,,,,ΔQm,0.031,,,,,,,,ΔQm,0.026,,,,

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,P=0.5洪水过程计算表,,,,,,,,,,P=5洪水过程计算表,,,,,,,,,P=10洪水过程计算表,,,,,,,,,

,Δt(1小时),Qm/ΣQi,Qi,Q0,Qi+Q0,,,,,,Δt(1小时),Qm/ΣQi,Qi,Q0,Qi+Q0,,,,,Δt(1小时),Qm/ΣQi,Qi,Q0,Qi+Q0,,,,,

,0,0.000,0.00,0.05,0.05,,,,,,0,0.000,0.00,0.03,0.03,,,,,0,0.000,0.00,0.02,0.02,,,,,

,1,0.190,4.50,0.10,4.60,,,,,,1,0.191,2.91,0.05,2.96,,,,,1,0.197,2.49,0.04,2.54,,,,,

,2,0.271,6.42,0.15,6.56,,,,,,2,0.275,4.19,0.08,4.27,,,,,2,0.304,3.85,0.06,3.91,,,,,

,3,0.152,3.60,0.19,3.79,,,,,,3,0.151,2.30,0.10,2.41,,,,,3,0.145,1.83,0.09,1.92,,,,,

,4,0.098,2.32,0.24,2.56,,,,,,4,0.097,1.48,0.13,1.61,,,,,4,0.091,1.15,0.11,1.26,,,,,

,5,0.077,1.82,0.29,2.11,,,,,,5,0.076,1.16,0.16,1.31,,,,,5,0.070,0.89,0.13,1.01,,,,,

,6,0.060,1.42,0.34,1.76,,,,,,6,0.059,0.90,0.18,1.08,,,,,6,0.055,0.70,0.15,0.85,,,,,

,7,0.049,1.16,0.39,1.55,,,,,,7,0.048,0.73,0.21,0.94,,,,,7,0.045,0.57,0.17,0.74,,,,,

,8,0.038,0.90,0.44,1.34,,,,,,8,0.037,0.56,0.23,0.80,,,,,8,0.034,0.43,0.19,0.62,,,,,

,9,0.028,0.66,0.48,1.15,,,,,,9,0.027,0.41,0.26,0.67,,,,,9,0.024,0.30,0.22,0.52,,,,,

,10,0.020,0.47,0.53,1.01,,,,,,10,0.019,0.29,0.28,0.57,,,,,10,0.017,0.22,0.24,0.45,,,,,

,11,0.014,0.33,0.58,0.91,,,,,,11,0.013,0.20,0.31,0.51,,,,,11,0.012,0.15,0.26,0.41,,,,,

,12,0.004,0.09,0.63,0.72,,,,,,12,0.004,0.06,0.34,0.40,,,,,12,0.003,0.04,0.28,0.32,,,,,

,13,0.000,0.00,0.68,0.68,,,,,,13,0.000,0.00,0.36,0.36,,,,,13,0.000,0.00,0.30,0.30,,,,,

,14,,0.00,0.63,0.63,,,,,,14,,0.00,0.34,0.34,,,,,14,,0.00,0.28,0.28,,,,,

,15,,0.00,0.58,0.58,,,,,,15,,0.00,0.31,0.31,,,,,15,,0.00,0.26,0.26,,,,,

,16,,0.00,0.53,0.53,,,,,,16,,0.00,0.28,0.28,,,,,16,,0.00,0.24,0.24,,,,,

,17,,0.00,0.48,0.48,,,,,,17,,0.00,0.26,0.26,,,,,17,,0.00,0.22,0.22,,,,,

,18,,0.00,0.44,0.44,,,,,,18,,0.00,0.23,0.23,,,,,18,,0.00,0.19,0.19,,,,,

,19,,0.00,0.39,0.39,,,,,,19,,0.00,0.21,0.21,,,,,19,,0.00,0.17,0.17,,,,,

,20,,0.00,0.34,0.34,,,,,,20,,0.00,0.18,0.18,,,,,20,,0.00,0.15,0.15,,,,,

,21,,0.00,0.29,0.29,,,,,,21,,0.00,0.16,0.16,,,,,21,,0.00,0.13,0.13,,,,,

,22,,0.00,0.24,0.24,,,,,,22,,0.00,0.13,0.13,,,,,22,,0.00,0.11,0.11,,,,,

,23,,0.00,0.19,0.19,,,,,,23,,0.00,0.10,0.10,,,,,23,,0.00,0.09,0.09,,,,,

,24,,0.00,0.15,0.15,,,,,,24,,0.00,0.08,0.08,,,,,24,,0.00,0.06,0.06,,,,,

,25,,0.00,0.10,0.10,,,,,,25,,0.00,0.05,0.05,,,,,25,,0.00,0.04,0.04,,,,,

,26,,0.00,0.05,0.05,,,,,,26,,0.00,0.03,0.03,,,,,26,,0.00,0.02,0.02,,,,,

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,4、试算最高洪水位,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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,,起调水位(m),,282.40,溢洪道底板高程,,,,,,,,,,,,,,,,,,,,,,,,

,,正常库容(万m3),,19.06,正常蓄水位对应的库容,,,,,,,,,,,,,,,,,,,,,,,,

,,溢洪道宽B(m),,2.40,,,,,,,,,,,,,,,,,,,,,,,,,

,,侧收缩系数σ,,1.0,一般取1.0,,,,,,,,,,,,,,,,,,,,,,,,

,,流量系数m,,0.32,一般取0.32,,,,,,,,,,,,,,,,,,,,,,,,

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,H(m),V(万m3),,,,H(m),ΔH(m),V(万m3),,,,,,,,,,,,,,,,,,,,,

,278.4,3.86,,,,,,,,,,,,,,,,,,,,,,,,,,,

,279.4,5.95,,,,,,,,,,,,,,,,,,,,,,,,,,,

,280.4,8.82,,,,,,,,,,,,,,,,,,,,,,,,,,,

,281.4,12.82,,,,281.4,-1.00,12.82,,,,,,,,,,,,,,,,,,,,,

,282.4,19.06,,,,282.4,0.00,19.06,,,,,,,,,,,,,,,,,,,,,

,282.9,22.9,,,,282.9,0.50,22.9,,,,,,,,,,,,,,,,,,,,,

,283.4,27.16,,,,283.4,1.00,27.16,,,,,,,,,,,,,,,,,,,,,

,283.9,31.49,,,,,,,,,A,,B,,C,,D,,,,,,,,,,,,

,284.4,36.2,,,,,,,,,19.06,,7.230,,0.930,,-0.06,,,,,,,,,,,,

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,,,,时段T,试算H0,ε,泄量q,入库Q,△V,库容V,水位Z,V`,,V-V`,,,,,,,,,,,,,,,

,,,,0,,1.00,0.00,0.05,,19.06,282.40,,,,,,,,,,,,,,,,,,

,,,,1,0.111,0.99,0.12,4.60,0.81,19.87,282.51,19.87,,-0.000,,,,,,,,,,,,,,,

,,,,2,0.354,0.97,0.70,6.56,1.86,21.74,282.87,21.73,,0.002,,,,,,,,,,,,,,,

,,,,3,0.542,0.95,1.30,3.79,1.51,23.24,283.41,23.24,,-0.001,,,,,,,,,,,,,,,

,,200年,,4,0.618,0.95,1.57,2.56,0.63,23.87,284.03,23.87,,0.001,,,,,,,,,,,,,,,

,,,,5,0.649,0.95,1.68,2.11,0.26,24.13,284.67,24.13,,0.000,,,,,,,,,,,,,,,

,,,,6,0.659,0.95,1.72,1.76,0.08,24.21,285.33,24.21,,0.001,,,,,,,,,,,,,,,

,,,,7,0.656,0.95,1.71,1.55,-0.02,24.19,285.99,24.19,,0.005,,,,,,,,,,,,,,,

,,,,8,,1.00,0.00,1.34,0.21,24.40,285.99,19.06,,5.342,,,,,,,,,,,,,,,

,,,,9,,1.00,0.00,1.15,0.45,24.85,285.99,19.06,,5.789,,,,,,,,,,,,,,,

,,,,10,,1.00,0.00,1.01,0.39,25.24,285.99,19.06,,6.176,,,,,,,,,,,,,,,

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

,,,,T,试算H0,ε,q,Q,△V,V,Z,V`,,V-V`,,,,,,,,,,,,,,,

,,,,0,,1.00,0.00,0.03,,19.06,282.40,,,,,,,,,,,,,,,,,,

,,,,1,0.072,0.99,0.07,2.96,0.53,19.59,282.47,19.59,,0.001,,,,,,,,,,,,,,,

,,,,2,0.235,0.98,0.38,4.27,1.22,20.81,282.71,20.81,,-0.0