Calculate the particle density of a soil using the following values;a. Weight of the flask= 40 g b. Volume of the flask= 50 ccc. Weight of dry soil= 15 gd. Weight of flask+soil+water= 96 g a.1.67 b.1.65 c.1.63 d.1.60
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- Soil Mechanic A fully saturated soil sample has a volume of 28 cc. The sample was dried in oven and the weight of the dry soil pat was found to be 48.76 g. Given G= 2.68. Determine volume of water in cm3. a. 53.6 b. 18.23 c. 9.77 d. 20.08. The grain size analysis for a soil is given as: asso a. Plot a grain-size distribution curve. b. Determine D10, D30, and D60 from the grain-size distribution curve. c. Calculate the uniformity coefficient, Co. d. Calculate the coefficient of curvature, Co Sieve No. 4 10 20 40 60 100 200 Pan Mass of soil retained (g) 28 42 48 128 221 86 40 24 Cu= Duo / Dio (c = (P30)² 2²/D₁x DuoCalculate the bulk density (g/cc) of a soil using the following values; a. Weight of core= 150 g b. Weight of core + fresh soil= 230 g c. Moisture content of the soil= 12% d. Height of the core= 9.5 cm e. Diameter of the core= 4 cm * A. 0.65 B. 0.60 C. 0.55 D. 0.50
- A fully saturated soil sample has a volume of 28 cc. The sample was dried in oven and the weight of the dry soil pat was found to be 48.76 g. Given G= 2.68. Determine the weight of water in grams. a. 34.90 b. 9.77 c. 1.745 d. 2.0976 .ll Q3.png The data from standard and modified proctor test on a soil sample (density of solids: 2680 kg/m3 ) are provided below: Standard proctor test Modified proctor test Dry density (kg/m) 1691 Dry density (kg/m') 1873 Water content (%) Water content (%) 9.3 9.3 1715 11,8 1910 12.8 1755 14.3 1803 15.5 1747 17.6 1699 18.7 1685 20.8 1641 21.1 1619 23 a) Plot the compaction curves (both standard and modified in one graph). b) Establish the maximum dry density and optimum water content for each test.For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60 = 0.41 mm Calculate the uniformity coefficient and the coefficient of gradation of the soil. 2.4 Repeat Problem 2.3 for the following: D10 = 0.24 mm D30 = 0.82 mm D60 = 1.81 mm
- -9. A soil sample has a natural water content of 22.5% and it is known to have a specific gravity of 2.6. In order to determine the moist density of soil, a portion of soil weighing 224g is put in a 500 cm³ container. It is filled 382 cm³ of water to fill the container. a) Compute the void ratio of the soil (A. 0.82 B 0.68 D. 1.04 C. 0.89 b) C) Compute the porosity of the soil A B. 47.09% D. 50.98% 45.05% 40.48% Compute the degree of saturation of the soil (A. 71.34% B. 65.73% C. 86.03% D. 56.25%Problem IV. Prove the given relation below; y'=Ya+Yw (n-1) Problem V. The mass of a wet sample of soil and its container is 0.34 kg. The dry mass of the soil and its container is 0.32 kg. The mass of the container is 0.06 kg and its volume is 0.19 x 10m³. Determine the following. a. The bulk, dry, and saturated unit weights of the soil. b. The void ratio and the degree of saturation. c. How much air vold is in the soil? d. The weight of water required to saturate 1 m³ of this soilThe figure shows a layer of soil in a tube that is 100mm x 100mm in cross section. Water is supplied to maintain a constant head difference of 400mm across the sample. The height of each soil sample is 100mm. and the total length from point A to B is 288cm. Calculate the equivalent k in terms of 10^-6 cm/sec from point A to B if k1. k2, and k3 is equal to 1x10^-2 cm/sec, 32x10^-3 cm/sec, and 4.9x10^-4 cm/sec, respectively. Consider that the length of the first soil sample in the left is 40% of the total length, and the soil sample in the middle and right side were both having 30% of the total length. asap solution pls
- Pressure (kN/m²)27 54 107 214 429 214 107 54 Void ratio1.243 1.217 1.144 1.068 0.994 1.001 1.012 1.024 The table above shows results obtained from an oedometer test on a specimen of saturated clay. A layer of this clay 2.5 m thick lies below a 10 m depth of sand, the water table being at the surface. The saturated weight for both soils is 19 kN/m³. A 10-m depth of fill of unit weight of 21 kN/m³ is placed on the sand over an extensive area. If the fill was to be removed some time after the completion of consolidation, what heave (mm) would eventually take place due to swelling of the clay? (0 d.p). Use unit weight of water of 9.8 kN/m3. Use log base 10.Q1/ specimen of the fine-grained soil, 75 mm in diameter and 20 mm thick was tested in an oedometer in a laboratory. At applying pressure (240 kN/m²), the time with dial gauge readings are: Time (min) 0 Settlement (mm) 0 0.25 1 0.22 0.42 4 9 0.6 0.71 16 0.79 36 64 100 0.86 0.91 1.04 d 1- Find Coefficient of consolidation in cm²/s using root time and TV90% = 0.848. Scanned by TapScannerThe results of the particle-size analysis of a soil are as follows: % passing no 10 sieve = 100, % passing no 40 sieve = 80 and % passing no 200 sieve = 65. The liquid limit and plastic limit of the soil are 30 and 15 respectively. What is the group index of the soil?a. 5b. 7c. 8 d. 9