homework 6 - 11.5 13.53 18.53 1156.24 30-5 10 11.76 16.76...

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b) Point Elevation Head (ft), he Drops, nd Total Head (ft), ht=H-(nd* h) Pressure Head (ft), hp=ht-he Pore Water Pressure (psf), u=yw*hp 0 -5 2 17.33 22.33 1393.60 30 -5 4 14.67 19.67 1227.20 60 -5 6 12.00 17.00 1060.80 90 -5 8 9.33 14.33 894.40 120 -5 10 6.67 11.67 728.00 150 -5 12 4.00 9.00 561.60 h= H/Nd H=20ft Nd=15 h= 20/15= 1.33333333 ft e) Point Elevation Head (ft), he Drops, nd Total Head (ft), ht=H-(nd* h) Pressure Head (ft), hp=ht-he Pore Water Pressure (psf), u=yw*hp 0 -5 2 12.13 17.13 1069.12 30 -5 4 10.27 15.27 952.64 60 -5 6 8.40 13.40 836.16 90 -5 8 6.53 11.53 719.68 120 -5 10 4.67 9.67 603.20 150 -5 12 2.80 7.80 486.72 h= H/Nd H=14ft Nd=15 h= 14/15= 0.93333333 ft 0.00 200.00 400.00 600.00 800.00 1000.00 1200.00 1400.00 1600.00 0 20 40 60 80 100 120 140 160 PoreWaterPressureonbaseofdam(psf) Distance from upstream, left corner of dam (ft) Problem 1- Part b and e 20ft upstream reservoir 14ft upstream reservoir
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b) Point Elevation Head (ft), he Drops, nd Total Head (ft), ht=H- (nd* h) Pressure Head (ft), hp=ht-he Pore Water Pressure (psf), u=yw*hp 0 -5
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Unformatted text preview: 11.5 13.53 18.53 1156.24 30-5 10 11.76 16.76 1046.12 60-5 8 9.41 14.41 899.29 90-5 6 7.06 12.06 752.47 120-5 4 4.71 9.71 605.65 150-5 2 2.35 7.35 458.82 △ h= H/Nd H=20ft Nd=17 △ h= 20/17= 1.17647059 ft Point Elevation Head (ft), he Drops, nd Total Head (ft), ht=H-(nd* △ h) Pressure Head (ft), hp=ht-he Pore Water Pressure (psf), u=yw*hp-5 2 17.33 22.33 1393.60 30-5 4 14.67 19.67 1227.20 60-5 6 12.00 17.00 1060.80 90-5 8 9.33 14.33 894.40 120-5 10 6.67 11.67 728.00 150-5 12 4.00 9.00 561.60 △ h= H/Nd H=20ft Nd=15 △ h= 20/15= 1.33333333 ft 0.00 200.00 400.00 600.00 800.00 1000.00 1200.00 1400.00 1600.00 20 40 60 80 100 120 140 160 PoreWaterPressureonbaseofdam(psf) Distance from upstream, left corner of dam (ft) Problem 2- Part b with sheet pile wall without sheet pile wall...
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