Questions from Geotechnical Engineering


Q: The unit weight of a soil is 95 lb/ft3.

The unit weight of a soil is 95 lb/ft3. The moisture content of this soil is 19.2% when the degree of saturation is 60%. Determine: Void ratio Specific gravity of soil solids Saturated unit weight...

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Q: For a given soil, the following are given: Gs =

For a given soil, the following are given: Gs = 2.67; moist unit weight, g = 112 lb/ft3; and moisture content, w = 10.8%. Determine: Dry unit weight Void ratio Porosity Degree of saturation

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Q: Refer to Problem 3.7. Determine the weight of water

Refer to Problem 3.7. Determine the weight of water, in pounds, to be added per cubic foot of soil for 80% degree of saturation 100% degree of saturation

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Q: The moist density of a soil is 1680 kg/m3.

The moist density of a soil is 1680 kg/m3. Given w = 18% and Gs = 2.73, determine: Dry density Porosity Degree of saturation Mass of water, in kg/m3, to be added to reach full saturation

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Q: Results from liquid and plastic limit tests conducted on a soil are

Results from liquid and plastic limit tests conducted on a soil are given here. Liquid limit tests: Plastic limit tests: PL = 13.4% Draw the flow curve and obtain the liquid limit. What is the pla...

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Q: Consider Soil No. 3 of Problem 4.9. Using

Consider Soil No. 3 of Problem 4.9. Using the % of clay size fraction and the liquid limit of the soil, estimate: Plastic limit (use Eq. 4.10) Plasticity index (use Eq. 4.11) Activity (use Eq. 4.19)

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Q: Determine the liquidity index of the soil in Problem 4.1

Determine the liquidity index of the soil in Problem 4.1, if

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Q: Results from liquid and plastic limit tests conducted on a soil are

Results from liquid and plastic limit tests conducted on a soil are given here. Liquid limit tests: Plastic limit tests: PL = 18.7% Draw the flow curve and obtain the liquid limit. What is the plas...

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Q: Refer to Problem 4.3. Determine the liquidity index of

Refer to Problem 4.3. Determine the liquidity index of the soil when the in situ moisture content is 26%.

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Q: Using the results of Example 4.1 and Eq. (

Using the results of Example 4.1 and Eq. (4.14), estimate the shrinkage limit of the soil. Assume PL = 12.2.

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