standard step method example

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 Standard Step Method Example B= 7 m only works for 1:2 vertical:horizontal side slope S0= 0.0247 = 12 c!mecs n= 0.0" #elta $= 0.% m & y ' ( E  Sf S0)Sf Sf)S0 mean 0 1.200  1 1.2* 12."7 1.2577  0.0 01 2 0.0 2" % 0.02"% 0.5 1.187  1 1.1" 12."1 1.2463  0.0 01 2 0.0 2" % 0.02"% 1 1.170  10.+" 12.2" 1.2315  0.001" 0.02" 4 0.02"4 1.5 1.160  10.*1 12.1+ 1.2228  0.0 01 " 0.0 2" 4 0.02"2 2 1.091  10.02 1 1.** 1.1641  0.0 01 , 0.0 2" 1 0.02"0 2.5 1.063  +.70 11.7% 1.1410  0.001* 0.022+ 0.022* 3 1.035  +."+ 1 1.," 1.1183  0.0 02 0 0.0 22 7 0.022, 3.5 1.006  +.07 1 1.%0 1.0953  0.0 02 2 0.0 22 % 0.0224 4 0.977  *.7% 11."7 1.0729  0.0024 0.022" 0.0222 4.5 0.947  *.42 1 1.24 1.0505  0.0 02 7 0.0 22 0 0.01+, 5 0.705  %.+" 10.1% 0.9138  0.0 07 , 0.0 17 1 0.70% %.+" 10.1% 1 1.+*++ =y0 -from annin/ 0 1 2 " 4 % , 0.000 0.200 0.400 0.,00 0.*00 1.000 1.200 1.400 Backwater ro!"l e !rom Standard S tep Method y #"$tance %p$tream       #      e      p       t       h

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Sheet1Standard Step Method ExampleB=7monly works for 1:2 vertical:horizontal side slopeS0=0.0247Q=12cumecsn=0.03Delta X=0.5mxyAPESfS0-SfSf-S0 meanDelta EE again - should be same as the first one!01.20011.2812.371.25770.00120.02350.0235-0.01180.51.18711.1312.311.24630.00120.02351.24590.0235-0.011711.17010.9312.231.23150.00130.02341.23450.0234-0.01171.51.16010.8112.191.22280.00130.02341.21980.0232-0.011621.09110.0211.881.16410.00160.02311.21120.0230-0.01152.51.0639.7011.751.14100.00180.02291.15260.0228-0.011431.0359.3911.631.11830.00200.02271.12960.0226-0.01133.51.0069.0711.501.09530.00220.02251.10700.0224-0.011240.9778.7511.371.07290.00240.02231.08410.0222-0.01114.50.9478.4211.241.05050.00270.02201.06180.0196-0.009850.7055.9310.150.91380.00760.01711.0407Normal Depth0.7055.9310.1511.9899=y0 (from Manning)

Sheet1

yDistance upstreamDepthBackwater Profile from Standard Step Method

Sheet2

Sheet3