Soil is compacted at the construction site, so the void ratio changes (gets denser) from 0.80 to 0.50. Specific gravity of solids is 2.70. VT = 1 **(Vs = VT/1+e) What is the increase in the dry unit weight of the soil?
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- Given Saturated Soil Void Ratio = 0.45 Specific Gravity of Solids = 2.65 Find the wet unit weight O 133.4 lb O 19.4 lb/ft3 O 19.4 lb 133.4 lb/ft3The weight of a chunk of moist soil is 208 g and the volume of the sil chunkmeasured before drying is 120 cubic cm. After being dried out in the oven, the weight of the dry soil is 170 grams. Use Gs=2.65a. Compute the water content of the soil.b. Compute the void ratio.c. Compute the degree of saturation.A container of volume 3 × 10-³ m³ 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 G₂ = 2.7, Y = 9.81 kNm/³)
- 11. The range of water content between the liquid and plastic limits is termed as: A. liquid limit B. plasticity index C. plastic limit D. shrinkage limit 12. A container of volume 3.25 x 10-3 m³ weighs 10.8 N. Dry sand was poured to fill the container. The container and the sand weigh 62.5 N. Calculate the porosity of the sand. Assume Gs = 2.72. A. 67.74% C. 43.56% B. 40.38% 0 mod D. 54.25%Problem 14. 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. a. 9% b. 10% C. 11% d. 12%required= compute for the dry unit weight, void ratio and relative density
- If the volume of voids is equal to the volume of solids in a soil mass, than the vaiues of porosity and voids ratio respectively are (a) 1.0 and 0.0 (c) 0.5 and 1.0 (b) 0.0 and 1.0 (d) 1.0 and 0.5A dry sand is placed in a container having a volume of 0.30cu.ft. The dry weight of sample is 31lb. Water is carefully added to the container so as not to disturb the condition of the sand. When the container is filled, the combined weight of soil llus water is 38.2 lb. a. Compute the void ratio in the container. b. Compute the specific gravity of the soil particle. c. Determine the dry unit weight.The void ratio of the soil is given as 0.6. Determine the porosity of the soil.
- The water content of a 100% saturated soil is 30%, and the specific gravity of solids is 2.50. Required: Determine: a. the void ratio to the nearest thousandth b. the unit weight in lb/ft3, to the nearest tenthThe total volume of a soil soecimen is 80,000 mm³ and it weighs 150 grams. The dry weight of the specimen is 130 grams and the density of the soil solids is 2680 Kg/m³. Find the following: a) The water content. b) Void Ratio. c) Porosity. d) Degree of saturation. e) Saturated unit weight. f) Dry unit weight.The plastic limit and liquid limit of a soil are 30% and 42% respectively. The percentage volume change from the liquid limit to dry state is 35% of the dry volume. Similarly, the percentage volume change from the plastic limit to the dry state is 22% of the dry volume. Determine the shrinkage limit.