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- Sample 2: Mass with empty mold M1 Mass of soil and mold M2 Hydraulic Head h Time interval t Volume V 145 g 250 g 950 mm 0.34 min 0.0046 L 145 g 260 g 900 mm 0.33 min 0.0049 L 145 g 228 g 922 mm 0.30 min 0.0051 L 145 g 281 g 915 mm 0.29 min 0.0044 L 145 g 219 g 908 mm 0.39 min 0.0042 L The diameter of the mold = 2.5 cm, Length of the sample = 0.3 m can u pls Find the permeability coefficient Mass of the soil Bulk Density Dry Density thank you Void RatioWater flows at the rate of 0.09 ml/s in an upward direction through a sand sample with a coefficient of permeability of 2.7 × 10^–2 mm/s. The thickness of the sample is 120 mm and the area of cross-section is 5400 mm2. Taking the saturated unit weight of the sand as 18.9 kN/m3, determine the effective pressure in Pa at the bottom of the sample. a. 364 b. 728 c. 182 d. 910Water flows at the rate of 0.09 ml/s in an upward direction through a sand sample with a coefficient of permeability of 2.7 × 10^–2 mm/s. The thickness of the sample is 120mm and the area of cross-section is 5400 mm2. Taking the saturated unit weight of the sand as 18.9 kN/m3, determine the effective pressure in Pa at the middle of the sample. a. 364 b. 910 c. 182 d. 728
- 8. The result of the liquid limit tests where N is the no of blows and w is the water content in % are given as follows: Trial 1 N=11 w=53.9; Trial 2 N=15 w=50.6; Trial 3 N=23 w=48.1; Trial 4 N= 30 w= 46; Trial 5 N= 46 w=43.3; Trial 6 N= 53 w=41. The PL= 25 and the in situ moisture content is 45%. Determine the liquid limit. a.43 b.50 c. 47 d.41The result of the liquid limit tests where N is the no of blows and w is the water content in % are given as follows: Trial 1 N=11 w=53.9; Trial 2 N=15 w=50.6; Trial 3 N=23 w=48.1; Trial 4 N= 30 w= 46; Trial 5 N= 46 w=43.3; Trial 6 N= 53 w=41. The PL= 25 and the in situ moisture content is 45%. Determine the liquid limit. a.41 b.43 c.50 d.47GEOTECHNICAL COMPLETE SOLUTION PLS For a falling-head permeability test, the following are given: length of specimen = 15.1 in., area of specimen = 3.9 in^2, and k = 0.0686 in./min. What should be the area in sq. in. of the standpipe for the head to drop from 25.1 to 12.6 in. in 8.9 min. ?
- For a falling-head permeability test, the following are given:length of specimen = 380 mmarea of specimen = 6.5 cm2k = 0.175 cm/minWhat should be the area of the standpipe for the head to dropfrom 650 cm to 300 cm in 8 min?The result of the liquid limit tests where N is the no of blows and w is the water content in % are given as follows: Trial 1 N=11 w=53.9; Trial 2 N=15 w=50.6; Trial 3 N=23 w=48.1; Trial 4 N= 30 w= 46; Trial 5 N= 46 w=43.3; Trial 6 N= 53 w=41. The PL=25 and the in situ moisture content is 45%. Determine the liquid limit. O a. 41 O b. 47 O c. 43 O d. 50TIME OF SETTING OF HYDRAULIC CEMENT BY VICAT NEEDLE give example with solution ( i need example of this) interpolate, interpolation method Specimen No. Time (second) Penetration (mm) 1. 30 40 180 38 800 34 1200 30 2000 22 30000 2 35000 none Initial Set: __________ secondsFinal Set: ___________ seconds
- For a laboratory consolidation test on a clay specimen (drained on both sides) the following results were obtained: Thickness of clay soil= 25 mm; P_1 = 50 kPa; P_2 = 120 kPa; e_1 = 0.92; e_2 = 0.78; Time for 50% consolidation= 2.5 min. Tv = 0.197. Determine the coefficient of consolidation in m2/m. Show free body diagram a.1.081 x 10^-3 b.1.23 x10 ^-5 c.1.31 x 10^-7 d.2.56 x 10^-2A glass container with pervious bottom containing fine sand in loose state (void ratio = 0.8) is subjected to hydrostatic pressure from underneath until quick condition occurs in the sand. If the specific gravity of sand particles = 2.65, area of cross-section of sand sample= 10 cm2 and height of sample = 10 cm, compute the head of water in cm required to cause quicksand condition. a.9.17 b.0.45 c.7.29 d.0.9Plot the following data and determine the preconsolidation pressure and the modified compression index. % Consolidation (Compression is +) Pressure (kPa) % Consolidation (Compression is +) Pressure (kPa) 0.09 5 7.34 160 0.11 10 7.6 320 0.12 20 8.35 640 0.26 40 12.65 1280 0.98 80 17.41 2560 1.91 160 22.18 5120 4.19 320 21.65 1280 8.05 640 20.63 160 8.03 320 19.26 40 7.83 160 15.35 5 7.21 80 Specimen height is 2.54MM, Sample is from a depth of -11.5m