Questions from Geotechnical Engineering

Q: Calculate the variation of dry density (kg/m3) of

Calculate the variation of dry density (kg/m3) of a soil (Gs = 2.67) at w = 10% and 20% for degree of saturation (S) = 80%, 90%, and 100%.

Q: The results of a standard Proctor test are given here. Determine

The results of a standard Proctor test are given here. Determine the maximum dry unit weight of compaction and the optimum moisture content.

Q: The grain-size characteristics of a soil are given in the

The grain-size characteristics of a soil are given in the following table Draw the grain-size distribution curve. Determine the percentages of gravel, sand, silt, and clay according to the MIT syste...

Q: For the soil described in Problem 6.3, if Gs

For the soil described in Problem 6.3, if Gs = 2.72, determine the void ratio and degree of saturation at optimum moisture content

Q: The results of a standard Proctor test are given in the following

The results of a standard Proctor test are given in the following table. Determine the maximum dry density (kg/m3) of compaction and the optimum moisture content.

Q: A field unit weight determination test for the soil described in Problem

A field unit weight determination test for the soil described in Problem 6.5 yielded the following data: moisture content = 10.5% and moist density = 1705 kg/m3. Determine the relative compaction.

Q: The in situ moisture content of a soil is 18%, and

The in situ moisture content of a soil is 18%, and the moist unit weight is 105 lb/ft3. The specific gravity of soil solids is 2.75. This soil is to be excavated and transported to a construction site...

Q: A proposed embankment fill requires 8000 m3 of compacted soil. The

A proposed embankment fill requires 8000 m3 of compacted soil. The void ratio of the compacted fill is specified as 0.7. Four borrow pits are available as described in the following table, which lists...

Q: For a clayey soil, given: LL = 38, PI

For a clayey soil, given: LL = 38, PI = 16, and Gs = 2.68. If a modified Proctor test is conducted, estimate wopt and d(max)/w. Use the method of Gurtug and Sridharan (2004).

Q: Refer to the constant-head arrangement shown in Figure 7.

Refer to the constant-head arrangement shown in Figure 7.5. For a test, the following are given: L = 450 mm A = area of the specimen = 23 cm2 Constant-head difference = h = 700 mm Water collected in 3...