sand layer; K = 1 m/d; thickness = 6 clay layer; K = 0.000001 m/d; thickness=0.7 m sand layer; K= 1 m/d; thickness = 5 m
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- What is the equivalent coefficient of permeability (k) for all soil layers? where equivalent k(2 and 3) = 4.95 k1 and k4 = 4.69 k1 6 10 8 A lc D K2 ~ K3 N K1 K4 28 12What is the equivalent coefficient of permeability (k) for soil layers of k2 and k3? where k2= 1.75 k1 and k3 = 3.3 k1 10 8 IB K2 N K3 N K1 K4 .a k1 25.250 .b k1 12.625 .C k1 5.050 .d k1 2.525 28 12 4.What is the equivalent coefficient of permeability (k) for all soil layers? where equivalent k(2 and 3) = 4.58 k1 and k4 = 4.23 k1 10 8 IB D K2 N K3 N K1 K4 .a k1 2.738 .b k1 44.050 .C k1 3.568 .d k1 2.382 28
- What is the equivalent coefficient of permeability (k) for soil layers of k2 and k3? where k2= 1.75 k1 and k3 = 3.3 k1 6. 8 HA Ic D K2 ~ K3 N K1 K4 28 10 12Define Drained versus undrained deformation2. Refer to figure 8.16. Calculate o, u, o'at A, B, C, and D for the following cases and plot the variations with depth. (Note: e = void ratio, w =moisture content, Gg = specific gravity of soil solids, Ya = dry unit weight, and ysat = saturated unit weight.) н, 3 1.5 т Ya = 17.6 kN/m³ H2 = 1.83 m Ysat = 18.87 kN /m³ H3 = 2.44 m 19.65 kN /m3 Ysat =
- • Soil specimen diameter, D = 18 cm Elevation of water in upper-most piezometer, h = 181cmk Elevation of water in lowest piezometer h2 =116.6cm Distance between the measuring pointsL = 33.4 cmWhat is the equivalent coefficient of permeability (k) for soil layers of k2 and k3? where k2= 1.03 k1 and k3= 2.45 k1 82 O HA 10 K2 N KS N С KA D Z! k1 1.740 .b k1 3.480 .C k1 17.400 .d k1 8.700What is the equivalent coefficient of permeability (k) for all soil layers? where equivalent k(2 and 3) = 1.24 k1 and k4 = 4.41 k1 28 8 A K2 ~ K1 K4 K3 N .a k1 2.174 .b k1 1.511 .c k1 2.237 .d k1 28.250 Your answer is incorrect The correct answer is: 1.511 k1 10
- The first layer 2m thick very fine wet sand with silt having water content of 8% and S=45% lying in 3.4m thick of fine sand with a moisture content of 14% and below of this fine sand is a clay with water content of 28% and a thickness of 15m.The water table is located 3m below the ground and they found out that there is a 1m of capillary rise that's being fully saturated. Find the unit weight of the first layer if all soils have 2.8 specific gravity.The stresses induced by a surface load on a loose horizontal sand (ɸ = 30o) layer were found to be σv = 6.0 kPa, τv = 1.6 kPa, σh = 3.7 kPa, and τh = -1.6 kPa. By means of Mohr circles, determine if such a state of stress is safe. If so, what is the factor of safety? Use FS = τff(available) / τf(applied) for the definition of factor of safety.Water is flowing at the rate of 0.2 cc/see in an upward direction through a sand sample with k = 1 x 10-3 cm/sec. Thickness of sand sample is 10m and sectional area is 50 cm². Effective stress at middle of sample if y = 2t/m³, is