dry density for a soil sample having specific gravity of 2.7 and optimum moisture content of 16% (a) 1.45 gm/ cm³ (b) 1.550 gm/cm³ (c) 1.65 gm/cm³ (d) 1.885 gm/ cm³
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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.Problem 7 For the stratified soil shown, the following soil properties are given: L Thickness (m): H = 1.20 H4 =0.50 НЗ -0.30 H4 =0.40 Filter Fiter Length (m): L1 = 0.90 L2 =0.70 L3 =0.50 L6 =0.80 Ha Head (m) ks h= 1.8m Coefficient of Permeability (cm/hr): k1 = 6.25 k2 = 5.75 k3 = 4.50 k4 = 6.25 k5 = 8.15 k6 = 3.60 10. Determine the total flow per 1 meter width (m³/hr) b. 0.03797 11. Determine the equivalent coefficient of permeability (cm/hr) b. 5.098 а. 0.029179 C. 0.019276 d. 0.026785 а. 3.643 C. 4.358 d. 6.721
- PROBLEM 3: A saturated, remolded clay soil has a water content of 32 percent, a liquid limit water content of 35 percent, a plastic limit water content of 20 percent, and an amount of clay sizes (finer than 0.002 mm) of 17 percent. What is the liquidity index of this soil? a. 0.6 C. 0.25 b. 0.8 d. 0.961. If a soil sample has a dry unit weight of 19.5 KN/m3, moisture content of 8%and a specific gravity of solids particles is 2.67. Calculate the following:a) The void ratio.b) Moisture and saturated unit weight.c) The mass of water to be added to cubic meter of soil to reach 80% saturation.d) The volume of solids particles when the mass of water is 25 grams for saturation Ans:a.) 0.343b.) 12.85% and 22 KN/m3 c.) 44.8 kgd.) 72.84 cm3 Please show your solutions and the final answers are provided above.A soil sample is oven-dried from its liquid limit state to its dry state causing a volume change of 60% of the dry volume. Likewise, the same soil is oven-dried from its plastic limit state to its dry state causing a volume change of 20% of the dry volume. The liquid limit and plastic limit are 54% and 26%, respectively. Determine the specific gravity of soil solids, shrinkage limit and shrinkage ratio. 1. INPUT THE VALUE OF SPECIFIC GRAVITY OF SOIL SOLIDS IN 2 DECIMAL PLACES 2. INPUT THE VALUE OF SHRINKAGE LIMIT IN PERCENTAGE FORM AND IN 2 DECIMAL PLACES 3. INPUT THE VALUE OF SHRINKAGE RATIO IN 2 DECIMAL PLACES Answer with text and/or attachments:
- A saturated soil sample has an initial total volume of 100 cm3 and a moisture content of 63%. The soil is then compressed so that the volume is reduced by 10 cm3 and the moisture content reduces to 53%. If the soil remains fully saturated calculate the specific gravity, Gs O 1.7 4.7 3.7 O 2.7A sample of saturated soil has a water content of 29.6%. If the specific gravity of Solids is 2.7, the dry unit weight (in gr/cm³) of the soil is equal to A. 0.5 B. 0.75 C. 1 D. 1.5Calculate the degree of saturation of soil sample if the maximum dry density is 1.70 gm/ml, optimum water content is 14 percent and specific gravity of soil solids is 2.65. a. 76.4 percent b. 70.4 percent c. 80 percent d. 66.4 percent
- Using AASHTO Classification System, determine the following: (a) Group Index (b) Soil Classification Passing No. 10 = 55 % Passing No. 40 = 47 % Passing No. 200 = 23 % Plasticity for the minus No. 40 fraction: Liquid Limit = 22 % Plastic Limit = 17 % O GI = - 0.40 say 0 O GI = 0.60 say 1 O GI = 0 O A-2-4 (1) O A-2-7 (0) O A-1-b (0) O A-2-6 (1)Using Unified Soil Classification System, determine the following: (a) Coefficient of Gradation (b) Group Symbol. Passing No. 4 = 47 % Passing No. 200 = 10 % D10 = 3.45 mm %3! D30 = 6.29 mm De0 = 13.72 mm Plasticity for the minus No. 40 fraction: Liquid Limit = 28 % Plastic Limit = 17 % O GC-GM GP-GC O GC O Coef. Of Gradation = 0.84 O GP O Coef. Of Gradation = 3.97A soil sample has bulk unit weight of 19 kN/m³ and a water content of 7%. Determine the amount of water (in l) to be added to 1 m³ of the soil to raise the water content to 15%. Assume specific gravity of solids as 2.67.