Show the unit weight of a soil γ = ( G s + S e 1 + e ) γ w . Obtain the equation for dry unit weight γ d and saturated unit weight γ s a t from the unit weight of soil γ .

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1. A soil sample has a volume of 5400 cm^3 and mass of 10.45 kg, and the water content of the soil is w = 11%. Determine (a) unit weight , dry unit weight , saturated unit weight, (b) void ratio and porosity, (c) degree of saturation (assume Gs=2.7).

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Question

Chapter 3, Problem 3.5P

To determine

Show the unit weight of a soil γ=(Gs+Se1+e)γw.

Obtain the equation for dry unit weight γd and saturated unit weight γsat from the unit weight of soil γ.

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1. A soil sample has a volume of 5400 cm^3 and mass of 10.45 kg, and the water content of the soil is w = 11%. Determine (a) unit weight , dry unit weight , saturated unit weight, (b) void ratio and porosity, (c) degree of saturation (assume Gs=2.7).

For a soil the following is given: wet specific weight 19.21 kN / m3, water content w = 19.2%, S = 60%. Determine: a) Porosity n b) Dry specific gravity , c) List of voids e, d) Gs e) Amount of water for complete saturation. Make the schematic.

1) The moist unit weight of a soil is 19.2 kN/m3 . Given that Gs = 2.69 and w = 9.8%, determine: a. Void ratio b. Dry unit weight c. Degree of saturation 2) Refer to Problem 1 Determine the weight of water, in kN, to be added per cubic meter (m3) of soil for: a. 90% degree of saturation b. 100% degree of saturation