Questions from Geotechnical Engineering


Q: Refer to the boring log shown in Figure 18.17.

Refer to the boring log shown in Figure 18.17. Estimate the average drained friction angle, ’, using the Kulhawy and Mayne correlation [Eq. (18.28)]. Assume pa &A...

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Q: For a soil with D60 = 0.41 mm, D30

For a soil with D60 = 0.41 mm, D30 = 0.22 mm, and D10 = 0.08 mm, calculate the uniformity coefficient and the coefficient of gradation.

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Q: Figure 14.35 shows a retaining wall that is restrained from

Figure 14.35 shows a retaining wall that is restrained from yielding. For each problem, determine the magnitude of the lateral earth force per unit length of the wall. Also, find the location of the r...

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Q: The following values for a soil are given: D10 = 0

The following values for a soil are given: D10 = 0.24 mm, D30 = 0.82 mm, and D60 =1.81 mm. Determine Cu and Cc.

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Q: The following are the results of a sieve analysis 

The following are the results of a sieve analysis  Determine the percent finer than each sieve and plot a grain-size distribution curve. Determine D10, D30, and D60 for each soil. Calculate the u...

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Q: Repeat Problem 2.3 with the following data.

Repeat Problem 2.3 with the following data. 

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Q: The moist weight of a soil is 17.8 kN/

The moist weight of a soil is 17.8 kN/m3 and the moisture content is 14%. If the specific gravity of the soil solids is 2.69, calculate the following. Dry unit weight Void ratio Degree of saturation

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Q: The moist weight of 0.2 ft3 of a soil is

The moist weight of 0.2 ft3 of a soil is 23 lb. The moisture content and the specific gravity of the soil solids are determined in the laboratory to be 11% and 2.7, respectively. Calculate the follow...

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Q: The saturated unit weight of a soil is 19.8 kN

The saturated unit weight of a soil is 19.8 kN/m3. The moisture content of the soil is 17.1%. Determine the following. Dry unit weight Specific gravity of soil solids Void ratio

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Q: Repeat Problem 2.3 with the following data.

Repeat Problem 2.3 with the following data. 

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