Questions from Geotechnical Engineering

Q: A 3 m thick layer of saturated clay (two-way

A 3 m thick layer of saturated clay (two-way drainage) under a surcharge loading underwent 90% primary consolidation in 100 days. The laboratory test’s specimen will have two-way drainage. Find the c...

Q: A normally consolidated clay layer is 3 m thick (one-

A normally consolidated clay layer is 3 m thick (one-way drainage). From the application of a given pressure, the total anticipated primary consolidation settlement will be 80 mm. What is the average...

Q: Refer to Figure 12.43. Given that B = 1

Refer to Figure 12.43. Given that B = 1 m, L = 3 m, and Q = 110 kN, calculate the primary consolidation settlement of the foundation.

Q: The following are the results of a consolidation test.

The following are the results of a consolidation test. Plot the e-log ’ curve. Using Casagrande’s method, determine the preconsolidation pressu...

Q: Foundation engineers are often challenged by the existence of soft compressible soils

Foundation engineers are often challenged by the existence of soft compressible soils at the construction site. Figure 12.44 shows a soil profile with a silty sand ( = 17 kN/m3 ; &iu...

Q: Repeat Problem 12.2 using the following values /

Repeat Problem 12.2 using the following values

Q: Refer to Problem 3.16. Determine the weight of water

Refer to Problem 3.16. Determine the weight of water, in lb, that will be in 2.5 ft3 of the soil when saturated.

Q: The results of a laboratory consolidation test on a clay specimen are

The results of a laboratory consolidation test on a clay specimen are the following. Given the initial height of specimen 5 0.748 in., Gs = 2.68, mass of dry specimen = 95.2 g, and area of specimen...

Q: Figure 12.42 shows a soil profile. The uniformly distributed

Figure 12.42 shows a soil profile. The uniformly distributed load on the ground surface is Ds. Given:  = 1000 lb/ft2 , H1 = 8 ft, H2 = 15 ft, and H3 = 17 ft. Also,...

Q: Refer to Figure 12.42. Given: H1 = 2

Refer to Figure 12.42. Given: H1 = 2.5 m, H2 = 2.5 m, H3 = 3 m, and  = 100 kN/m2 . Also, Sand: e = 0.64, Gs = 2.65 Clay: e = 0.9, Gs = 2.75, LL = 55...