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B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content...

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B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content and the specific gravity of the soil solids are dete

B. The moist weight of 0.028 m3 of a soil is 52 kg. The moisture content and the specific gravity of the soil solids are determined in the laboratory to be 11% and 2.7 , respectively. Calculate the following: Moist unit weight (kg/m3) i. Dry unit weight (kg/m3) ii. Void ratio d. Porosity iii. iv. Degree of saturation (%) Volume occupied by water (m3) v. ngle C. For the soil sample in A (above) represent the following on a soil phase diagram: i. Mass of water ii. Mass of soil s0 c3 iii Volume of voids Volume of water iv. Volume of solids V. D. The following data are given for a soil: Porosity: 0.4 Specific gravity of the soil solids: 2.68 Moisture content: 12 % Determine the mass of water to be added to 12 m3 of soil for full saturation.

Answers

(6) Moint weight of 0.028 m3 of a soil is sakg Moist wie Correr -1 Speutic Gravity of soil eolica q = 0.40 is Morat unit wuyw=0.00515 m3 volume occupied water c) Vw= ww => 1000 kglme work → Ww= 5.15 kg is weight of water = 5115kg ii) Mais of soil =>D) porosity n=0.4 G = 2.68 Moratue content =121. ne = 0.42 € 1+ e I te 0.4 +0.4e=e -> 0.4 = 0.62 Te0.G vd = Go to vw=1000kg/m

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