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CEG3011 HW 3

# CEG3011 HW 3 - degree of saturation PROBLEM 3 For a...

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CEG 3011 – Soil Mechanics Spring 2010 Homework 3 PROBLEM 1 The moist weight of 0.1 cubic feet of soil is 12.2 lb. If the moisture content is 12% and the specific gravity of soil solids is 2.72, determine the following: a.- Moist unit weight. b.- Dry unit weight. c. Void ratio. d. Porosity. e.- Degree of saturation f.- Volume occupied by the water. PROBLEM 2 For a given soil, the following are known: G = 2.74, moist unit weight ( γ ) = 20.6 kN/m³ and moisture content (w) = 16.6. Determine: a.- Dry unit weight. b. Void ratio. c. Porosity. d.- Degree of saturation e.- Determine the weight of water (in kN) to be added per cubic meter (m³)of soil for 100% of

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Unformatted text preview: degree of saturation. PROBLEM 3 For a saturated soil, the following are given: w= 23%, Gs= 2.67 Determine: a.- Saturated unit weight (lb/ft) b.- Dry unit weight (lb/ft) c.- Moist unit weight when degree of saturation becomes 70% ((lb/ft) PROBLEM 4 The moist unit weights and degrees of saturation of a soil are: ( ) (lb/ft) S 105.73 50% 112.67 75 a.- Determine (e) void ratio. b.- Determine Gs c.- Determine the weight of water in pounds that is in 4.5 ft of the soil when it is saturated. PROBLEM 5 For a saturated soil, show that sat = n ((1+w)/w) w...
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