水閘

1、寬頂堰堰流泄流能力計(jì)算(P=1)閘門孔數(shù)n6中間閘墩側(cè)收縮系數(shù)ξz0.955084519單孔凈寬b010邊閘孔側(cè)收縮系數(shù)ξb0.908872896總凈寬B060側(cè)收縮系數(shù)ξ0.947382582閘墩厚度dz4斷面面積2321.5436bb30.95原河道底高程169.5坎頂高程170河道流速2.278656閘墩頂高程190.05189.180.87堰上水深H020.31464下游水位189.140.91自由過流流量系數(shù)m堰流淹沒出流系數(shù)

2、σ坎高P0.5下游水位hs19.140.942178閘墩高H20.55淹沒系數(shù)σ0.695958m(直角）0.38222m(圓角）0.384065自由過流流量Q淹沒過流流量QQ(直角）8811.575Q(直角）6132.489Q(圓角）8854.112Q(圓角）6162.0935290寬頂堰堰流泄流能力計(jì)算(P=2)閘門孔數(shù)n6中間閘墩側(cè)收縮系數(shù)ξz0.955084519單孔凈寬b010邊閘孔側(cè)收縮系數(shù)ξb0.908872896總凈寬B

3、060側(cè)收縮系數(shù)ξ0.947382582閘墩厚度dz4斷面面積2321.5436bb30.95原河道底高程169.5坎頂高程170河道流速2.0159閘墩頂高程188.94188.160.78堰上水深H019.14713下游水位188.12自由過流流量系數(shù)m堰流淹沒出流系數(shù)σ坎高P0.5下游水位hs18.120.946356閘墩高H19.44淹沒系數(shù)σ0.678383m(直角）0.382056m(圓角）0.384014自由過流流量Q淹沒

4、過流流量QQ(直角）8059.509Q(直角）5467.433Q(圓角）8100.806Q(圓角）5495.4494680寬頂堰堰流泄流能力計(jì)算(P=20)閘門孔數(shù)n6中間閘墩側(cè)收縮系數(shù)ξz0.955084519單孔凈寬b010邊閘孔側(cè)收縮系數(shù)ξb0.910700081總凈寬B060側(cè)收縮系數(shù)ξ0.947687113閘墩厚度dz4斷面面積1468.0005bb23原河道底高程169.5坎頂高程170河道流速1.811988閘墩頂高程18

5、3.76183.350.41堰上水深H013.92734下游水位183.32自由過流流量系數(shù)m堰流淹沒出流系數(shù)σ坎高P0.5下游水位hs13.320.956392閘墩高H14.26淹沒系數(shù)σ0.631066m(直角）0.38097m(圓角）0.38367自由過流流量Q淹沒過流流量QQ(直角）4987.22Q(直角）3147.264Q(圓角）5022.575Q(圓角）3169.5762660寬頂堰堰流泄流能力計(jì)算(P=50)閘門孔數(shù)n6中

6、間閘墩側(cè)收縮系數(shù)ξz0.955084519單孔凈寬b010邊閘孔側(cè)收縮系數(shù)ξb0.910700081總凈寬B060側(cè)收縮系數(shù)ξ0.947687113閘墩厚度dz4斷面面積1468.0005bb23原河道底高程169.5坎頂高程170河道流速1.144414閘墩頂高程180.43180.120.31堰上水深H010.49675下游水位180.08自由過流流量系數(shù)m堰流淹沒出流系數(shù)σ坎高P0.5下游水位hs10.080.960297閘墩高H