諫早湾排水門 開度0.5m流出の流量・流速計算表

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 実際に流速が問題となるのは,水が水門から離れて,護床工のない場所に到達したときの場合です.ここでは,そのような場所で予想される流速として,流れの水位が下流側水位と同じになったときの流速(便宜的に終端流速と呼ぶことにします)を計算した結果を紹介します.

 流速は北部排水門・南部排水門共通です.いずれも,潜り流出の流速は余裕をみるため,1割増で考えてください.流量は両排水門の合計です.

上流水位下流水位H1HH2H1/HH2/H種類Cq流量終端流速
m(T.P.)m(T.P.)mmm    m3/sm/s
2.502.506.50.56.513.0013.00潜り流出0.000.00.00
2.501.866.50.55.913.0011.71潜り流出0.21292.90.20
2.500.786.50.54.813.009.57潜り流出0.34478.40.40
2.50-0.096.50.53.913.007.83潜り流出0.42587.20.60
2.50-0.726.50.53.313.006.56潜り流出0.46655.60.80
2.50-1.196.50.52.813.005.61潜り流出0.50701.91.00
2.50-1.416.50.52.613.005.17潜り流出0.51722.71.12
2.50-1.416.50.52.613.005.17自由流出0.63894.71.38
2.50-1.446.50.52.613.005.11自由流出0.63894.71.40
2.50-1.766.50.52.213.004.47自由流出0.63894.71.60
2.50-2.016.50.52.013.003.98自由流出0.63894.71.80
2.50-2.216.50.51.813.003.58自由流出0.63894.72.00
2.50-2.376.50.51.613.003.25自由流出0.63894.72.20
2.50-2.506.50.51.513.003.00自由流出0.63894.72.39
2.002.006.00.56.012.0012.00潜り流出0.000.00.00
2.001.446.00.55.412.0010.89潜り流出0.20272.20.20
2.000.496.00.54.512.008.98潜り流出0.33448.90.40
2.00-0.306.00.53.712.007.39潜り流出0.41554.40.60
2.00-0.896.00.53.112.006.21潜り流出0.46621.30.80
2.00-1.336.00.52.712.005.33潜り流出0.49666.81.00
2.00-1.536.00.52.512.004.94潜り流出0.51686.01.11
2.00-1.536.00.52.512.004.94自由流出0.63856.61.39
2.00-1.556.00.52.412.004.89自由流出0.63856.61.40
2.00-1.866.00.52.112.004.28自由流出0.63856.61.60
2.00-2.106.00.51.912.003.81自由流出0.63856.61.80
2.00-2.296.00.51.712.003.43自由流出0.63856.62.00
2.00-2.446.00.51.612.003.11自由流出0.63856.62.20
2.00-2.506.00.51.512.003.00自由流出0.63856.62.28
1.501.505.50.55.511.0011.00潜り流出0.000.00.00
1.501.035.50.55.011.0010.05潜り流出0.19251.30.20
1.500.195.50.54.211.008.37潜り流出0.32418.60.40
1.50-0.535.50.53.511.006.94潜り流出0.40520.40.60
1.50-1.075.50.52.911.005.86潜り流出0.45585.70.80
1.50-1.485.50.52.511.005.04潜り流出0.49630.41.00
1.50-1.655.50.52.411.004.71潜り流出0.50647.71.10
1.50-1.655.50.52.411.004.71自由流出0.63816.71.39
1.50-1.675.50.52.311.004.67自由流出0.63816.71.40
1.50-1.965.50.52.011.004.08自由流出0.63816.71.60
1.50-2.195.50.51.811.003.63自由流出0.63816.71.80
1.50-2.375.50.51.611.003.27自由流出0.63816.72.00
1.50-2.505.50.51.511.003.00自由流出0.63816.72.18
1.001.005.00.55.010.0010.00潜り流出0.000.00.00
1.000.605.00.54.610.009.21潜り流出0.19230.10.20
1.00-0.135.00.53.910.007.75潜り流出0.31387.50.40
1.00-0.775.00.53.210.006.47潜り流出0.39485.20.60
1.00-1.265.00.52.710.005.49潜り流出0.44548.70.80
1.00-1.635.00.52.410.004.74潜り流出0.48592.41.00
1.00-1.775.00.52.210.004.46潜り流出0.49607.71.09
1.00-1.775.00.52.210.004.46自由流出0.63774.81.39
1.00-1.795.00.52.210.004.43自由流出0.63774.81.40
1.00-2.065.00.51.910.003.87自由流出0.63774.81.60
1.00-2.285.00.51.710.003.44自由流出0.63774.81.80
1.00-2.455.00.51.510.003.10自由流出0.63774.82.00
1.00-2.505.00.51.510.003.00自由流出0.63774.82.07
0.500.504.50.54.59.009.00潜り流出0.000.00.00
0.500.174.50.54.29.008.35潜り流出0.18208.70.20
0.50-0.454.50.53.69.007.11潜り流出0.30355.30.40
0.50-1.004.50.53.09.006.00潜り流出0.38447.30.60
0.50-1.454.50.52.69.005.10潜り流出0.43510.00.80
0.50-1.794.50.52.29.004.42潜り流出0.47552.61.00
0.50-1.904.50.52.19.004.20潜り流出0.48565.61.08
0.50-1.904.50.52.19.004.20自由流出0.62730.51.39
0.50-1.914.50.52.19.004.17自由流出0.62730.51.40
0.50-2.174.50.51.89.003.65自由流出0.62730.51.60
0.50-2.384.50.51.69.003.25自由流出0.62730.51.80
0.000.004.00.54.08.008.00潜り流出0.000.00.00
0.00-0.264.00.53.78.007.48潜り流出0.17186.90.20
0.00-0.784.00.53.28.006.44潜り流出0.29322.20.40
0.00-1.264.00.52.78.005.47潜り流出0.37410.50.60
0.00-1.654.00.52.38.004.70潜り流出0.42469.50.80
0.00-1.964.00.52.08.004.09潜り流出0.46510.91.00
0.00-2.044.00.52.08.003.93潜り流出0.47521.11.06
0.00-2.044.00.52.08.003.93自由流出0.62683.31.39
0.00-2.054.00.52.08.003.90自由流出0.62683.31.40
0.00-2.294.00.51.78.003.42自由流出0.62683.31.60
0.00-2.484.00.51.58.003.04自由流出0.62683.31.80
-0.50-0.503.50.53.57.007.00潜り流出0.000.00.00
-0.50-0.703.50.53.37.006.59潜り流出0.16164.80.20
-0.50-1.123.50.52.97.005.76潜り流出0.28287.90.40
-0.50-1.533.50.52.57.004.94潜り流出0.36370.60.60
-0.50-1.873.50.52.17.004.27潜り流出0.41426.80.80
-0.50-2.133.50.51.97.003.73潜り流出0.45466.71.00
-0.50-2.183.50.51.87.003.63潜り流出0.46473.81.04
-0.50-2.183.50.51.87.003.63自由流出0.61632.61.39
-0.50-2.193.50.51.87.003.61自由流出0.61632.61.40
-0.50-2.423.50.51.67.003.16自由流出0.61632.61.60
-1.00-1.003.00.53.06.006.00潜り流出0.000.00.00
-1.00-1.153.00.52.86.005.70潜り流出0.15142.40.20
-1.00-1.483.00.52.56.005.05潜り流出0.26252.30.40
-1.00-1.813.00.52.26.004.38潜り流出0.34328.60.60
-1.00-2.343.00.51.76.003.32潜り流出0.44423.01.02
-1.00-2.343.00.51.76.003.32自由流出0.60577.51.39
-1.00-2.353.00.51.66.003.30自由流出0.60577.51.40
-1.50-1.502.50.52.55.005.00潜り流出0.000.00.00
-1.50-1.612.50.52.45.004.79潜り流出0.14119.60.20
-1.50-1.852.50.52.25.004.31潜り流出0.25215.30.40
-1.50-2.112.50.51.95.003.79潜り流出0.32284.20.60
-1.50-2.332.50.51.75.003.33潜り流出0.38333.40.80
-2.00-2.002.00.52.04.004.00潜り流出0.000.00.00
-2.00-2.072.00.51.94.003.86潜り流出0.1296.50.20
-2.00-2.232.00.51.84.003.53潜り流出0.23176.60.40
-2.00-2.422.00.51.64.003.16潜り流出0.30236.90.60
-2.50-2.501.50.51.53.003.00潜り流出0.000.00.00

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