Q9. Figure Q.9-a shows the cross-section through a long concrete dam founded in sand with permeability k=10¹¹ m/s. a- Ca

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Q9 Figure Q 9 A Shows The Cross Section Through A Long Concrete Dam Founded In Sand With Permeability K 10 M S A Ca 1 (61.05 KiB) Viewed 43 times

Q9. Figure Q.9-a shows the cross-section through a long concrete dam founded in sand with permeability k=10¹¹ m/s. a- Calculate the seepage loss beneath the dam b- Calculate the upthrust on the base of the dam 10 m Concrete dam 1 m 2 m B F 7 m 10 m Sheet-pile wall cut-off- G Reference datum H Impermeable rock Figure Q.9-a Distances between points of intersection of equipotentials (Fig. Q9-b) with the base are: d(1,2)=0.85m, d(2,3)=1.3m, d(3,4)=1.4m, d(4,5) = 1.8m, d(5,6)=2.25m, d(6,7)=2.4m (Ans. a. q=3.5x10 m³/s per metre length, b. uphurst 858 kN per metre length) 14 m C Sand