The natural water content of a saturated sample of clay soil is 40%. If the specific gravity of clay is 2.40, what is the porosity? a.) 63.74 b.) 29.86 c.) 36.40 d.) 48.98
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- Situation 10: A soil sample has water content of 25%, degree of saturation of 80%, and specifice gravity of 2.70. 38. Determine the moist unit weight in g/ee. 1.765 b. 1.831 39. Determine the porosity. El. C. 1.897 d. 1.675 0.458 C. 0.564 d. 0.654 a. b. 0.548Situation 10: A soil sample has water content of 25%, degree of saturation of 80%, and specific gravity of 2.70. 38. Determine the moist unit weight in g/cc. c.1.897 d. 1.675 a. 1.765 b. 1.831 39. Determine the porosity. 0.458 b. 0548 c. 0.564 d.0.654 a.Asap
- A container of volume 3 x 103 mở weighs 10 N. Dry sand was poured to fill the container. The container and the sand together weighs 53 N. The porosity of the soil will be (Take G, = 2.7, Yor = 9.81 kNm/³) %3D %3D26. In a specific gravity test, the weight of the dry soil taken is 0.66N. The weight of the pycnometer filled with this soil and water is 6.756N. The weight of the pycnometer full of water is 6.3395N. The temperature of the test is 30°C. Determine the grain specific gravity, taking the specific gravity at 30°C as 0.99568. a. 2.70 b. 2.65 с. 2.73 d. 2.6750 ft thick sand is underlain by 25 ft clay. The ground water table, initially at the ground surface, was lowered to a depth of 25 ft below the ground. After such lowering, the degree of saturation of the sand above water table was lowered to 20%. Saturated and dry unit weight of sand are 135 pcf and 116 pcf respectively. The saturated unit weight of clay is 120 pcf. a. what is the unit weight of the sand above the water table after lowering in pcf? b. What is the vertical effective pressure at the midheight of the clay layer when the water table is lowered 50 ft. Below the ground in psf?
- PROBLEM 4: A sample of saturated clay has a water content of 400%. Compute the porosity if specific gravity is 2.40. a. 76.14 % C. 90.56 % b. 87.15 % d. 64.98 %SUBJECT: SOIL MECHANICS A soil sample has a bulk unit weight of 19.6 kN/ cubic meter at a water content of 10% Assuming that the specific gravity of the solids is 2.1 A. Determine the percent(%) of air in the voids CHOICES: a. 95.82 b. 34.46 c. 0 d. 13.74 e. 15.62A non-homogeneous soil deposit consists of a silt layer sandwiched between a fine-sand layer at top and a clay layer below. Permeability of the silt layer is 10 times the permeability of the clay layer and one-tenth of the permeability of the sand layer. Thickness of the silt layer is 2 times the thickness of the sand layer and two-third of the thickness of the clay layer. what will be the ratio of equivalent horizontal and equivalent vertical permeability of the deposit
- Solve the following problems. Provide complete solutions and summary of answers. A 4-meter-thick sand overlies a thick layer of clay. The water table is 1.80 meters below the sand surface. The sand has a porosity of 34.64% and a degree of saturation is limited to 36.0% above the water table. The clay has a moisture content of 45.0% and the specific gravity of both sand and clay is 2.68. a. Total Stress at a point 12.0 meters below the sand surface. b. Total Effective Stress at a point 12.0 meters below the sand surface.A saturated clay soil sample has 125 cm3 at a LL=39.3%. It is found that the specific gravity of the soil when it is dried is 1.86. The plastic limit of the soil is 30.37%. If the sp.gr. of soil is 2 90, compute A The mass of water present in the soil when it reaches a moisture content of 7.12% ( grams) B.The volume of soil grains ( c) C.The volume of water to be added to reach PL from a moisture content of 7.12% ( cc)34. The plastic limit and liquid limit of a soil are 36% and 54% respectively. The percentage volume change from the liquid limit to the dry state is 50% of the dry volume. Similarly, the percentage volume change from the plastic limit to the dry state is 29% of the dry volume. Determine the shrinkage limit. а. 9% b. 10% с. 11% d. 12%