消力池深、長計(jì)算

堰流,設(shè)計(jì)流量,過流凈寬,上游水位,上游底高程,下游水位,下游底高程,,,

,1307.7,66,103.46,98.3,102.2,98.29,,,

,,,,,,,,,,

,,最大流速v,9.238349011,,,,,,

,,消力池深度d,,1.043037162,,,,,

,,水躍淹沒系數(shù)σ。（1.05-1.10）,1.1,,,,,,

,,躍后水深hc″,,5.129903877,,,,,

,,收縮水深hc,2.144716154,2.144716154,0.000584666,0,,,

,,下游河床水深hs′,3.91,,,,,,

,,水流動(dòng)能校正系數(shù)α（1.0-1.05）,1,,,,,,

,,單寬流量q,19.81363636,,,,,,

,,消力池首端寬度b1,66,,,,,,

,,消力池末端寬度b2,66,,,,,,

,,上游總能頭T。,,6.964538867,,,,,

,,上游行進(jìn)流速V,3.839852008,,,,,,

,,流速系數(shù)ψ,0.95,,,,,,

,,出池水位落差⊿Z,,0.689857103,,,,,

,,消力池長度Lsj,,17.86041261,,,,,

,,消力池斜坡段水平投影長Ls,3.03,,,,,,

,,水躍長度校正系數(shù)β(0.7-0.8),0.72,,,,,,

,,水躍長度Lj,,20.59779529,,,,,

,說明：綠色方格需手動(dòng)輸入數(shù)據(jù)，試算E8，當(dāng)F8≈G8，然后帶入黃色方格內(nèi),,,,,,,,

,抗沖要求,消力池底板計(jì)算系數(shù)k1（0.15-0.20）,0.15,,,,,,

,,消力池底板始端厚度t,0.947676153,,,,,,

,抗浮要求,消力池底板安全系數(shù)k2（1.1-1.3）,1.2,,,,,,

,,消力池底板面得揚(yáng)壓力U（kPa）,220.5186908,,,,,,

,,作用消力池底板頂面的水重W(kPa),540.6986437,,,,,,

,,作用消力池底板上的脈動(dòng)壓力Pm,458.6341078,,,,,,

,,消力池底板的飽和重度（kN/m3）,24,,,,,,

,,消力池底板始端厚度t,-38.94070304,,,,,,

渠道正常水深,,水深h,3.582126994,,渠底寬b,左邊坡m1,右邊坡m2,糙率n,渠道比降i

,,過水?dāng)嗝姒?227.6629712,,61.2,1.315,0,0.025,0.003333333

,,濕周X,70.69993197,,,,,,

,,水力半徑R,3.22012999,,,,,,

,,謝才系數(shù)C,48.60775449,,,,,,

,,過水流量,1146.49993,,,,,,

,說明：若已知流量Q求水深h，采用試算法即可,,,,,,,,

孔流,,計(jì)算系數(shù)λ,0.4,,閘孔開度he,上游水深H,下游水深hs,流速系數(shù)Φ,孔口導(dǎo)流半徑r

,,垂直收縮系數(shù)ε′,0.61305503,,0.18,2.83,3.582126994,0.95,0

,,流量系數(shù)μ,0.570934601,,行近流速V,σ′線性內(nèi)插值,,閘孔凈寬B。,計(jì)流速上游水深

,,收縮水深hc,0.110349905,,6.138237125,0.509583502,,66,4.750385066

,,收縮斷面流速Vc,11.50096892,,,,,,

,,躍后水深hc″,1.670754095,,Z,σ′,Z,σ′,

,,比值Z=（hs-hc″)/(H-hc″),1.6488,,≤0,1,0.8,0.36,

,,淹沒系數(shù)σ′,0.509583502,,0.1,0.86,0.9,0.23,

,,過閘流量Q,33.36814564,,0.2,0.78,0.92,0.19,

,,,,,0.3,0.71,0.94,0.16,

,說明：線性內(nèi)插值依據(jù)黃色數(shù)據(jù)和表格手動(dòng)計(jì)算,,,,0.4,0.66,0.96,0.12,

,,,,,0.5,0.59,0.98,0.07,

,,,,,0.6,0.52,0.99,0.04,

,,,,,0.7,0.45,0.995,0.02,

,,,流量Q,,,,,,

,,,1600,,,,,,

,,假定水位過流量Q,1599.999942,,,,,,

,,總凈寬B（m）,72,,,,,,

,,堰頂高程（m）,44.5,,,,,,

,,堰前水深H（m）,6.160411518,,,,,,

,,堰前水位Z（m）,50.66041152,,,,,,

,,上游行進(jìn)流速V。,3.167352548,,,,,,

,,計(jì)流速的堰前水頭H。,6.67173273,,,,,,

,,自由溢流的流量系數(shù)m,0.36,,,,,,138

,,側(cè)收縮系數(shù)σc,0.93,,,hs/H,σs,,

,,淹沒系數(shù)σs,0.935,,,0<=0.80,1,,

,,下游水位,50.29,,,0.81,0.995,,

,,hs,5.79,,,0.82,0.99,,

,,hs/H,0.86784052,,,0.83,0.98,,

,,翻板門系數(shù),0.93,,,0.84,0.97,,

,,,,,,0.85,0.96,,

,,,,,,0.86,0.95,,

,,,,,,0.87,0.93,,

,,,,,,0.88,0.9,,

,,,0.833333333,,,0.89,0.87,,

,,,0.878333333,,,0.9,0.84,,

,,,,,,0.91,0.82,,

,,