Questions from Geotechnical Engineering

Q: For the slope shown in Figure 16.48, find the

For the slope shown in Figure 16.48, find the height, H, for critical equilibrium. Given:  = 22°,  = 100 lb/ft3 , ’...

Q: Refer to Figure 16.51. Using Figure 16.24

Refer to Figure 16.51. Using Figure 16.24, find the factor of safety, Fs with respect to sliding for a slope with the following. Slope: 2.5H:1V  = 16.5 kN/m3 ’ = 12° H = 12 ft c’ = 24 lb/ft...

Q: Refer to Problem 16.19. Assume that the slope is

Refer to Problem 16.19. Assume that the slope is subjected to earthquake forces. Let kh = 0.4 and kv = 0.5kh ((). Determine Fs using the procedure outlined in Section 16.11.

Q: Referring to Figure 16.52 and using the ordinary method of

Referring to Figure 16.52 and using the ordinary method of slices, find the factor of safety with respect to sliding for the following trial cases.  = 45°, ï&b...

Q: A loose, uncompacted sand fill 6 ft in depth has a

A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests indicated that the minimum and maximum void ratios of the sand are 0.46 and 0.90, respectively. The specifi...

Q: Determine the minimum factor of safety of a slope with the following

Determine the minimum factor of safety of a slope with the following parameters: H = 25 ft  = 26.57°, ’ = 20° c’ = 300 lb/ft2  = 120 lb/ft3 ru = 0.5 Use Bishop and Morgenstern’s method....

Q: Determine the minimum factor of safety of a slope with the following

Determine the minimum factor of safety of a slope with the following parameters: H = 6 m,  = 18.43°, ’ = 20°, c’ = 6 kN/m2 ,  = 20 kN/m3 , and ru = 0.5 Use Bishop and Morgenstern’s method.

Q: Use Spencer’s chart to determine the value of Fs for a given

Use Spencer’s chart to determine the value of Fs for a given slope:  = 20°, H = 15 m, ’ = 15°, c’ = 20 kN/m2 ,  = 17.5 kN/m3 , and ru = 0.5

Q: For a slope, given: Slope: 3H:1V

For a slope, given: Slope: 3H:1V c’ = 12 kN/m2 H = 12.63 m  = 19 kN/m3 ’= 25° ru = 0.25 Use Spencer’s chart to determine the factor of safety, Fs.

Q: Refer to Figure 16.48. If there were seepage through

Refer to Figure 16.48. If there were seepage through the soil and the groundwater table coincided with the ground surface, what would be the value of Fs? Use H = 8 m, sat(saturated d...