Questions from Geotechnical Engineering

Q: Refer to the retaining wall in Problem 15.1. Estimate

Refer to the retaining wall in Problem 15.1. Estimate the passive force, Pp, per unit length of the wall using Lancellotta’s (2002) analysis by the lower bound theorem of plasticity. Use Table 15.2.

Q: Assume that the retaining wall shown in Figure 14.35 is

Assume that the retaining wall shown in Figure 14.35 is frictionless. For each problem, determine the Rankine active force per unit length of the wall, the variation of active earth pressure with dept...

Q: For a given sandy soil, the maximum and minimum dry unit

For a given sandy soil, the maximum and minimum dry unit weights are 108 lb/ft3 and 92 lb/ft3 , respectively. Given Gs = 2.65, determine the moist unit weight of this soil when the relative density is...

Q: Refer to the retaining wall in Problem 15.1. Estimate

Refer to the retaining wall in Problem 15.1. Estimate the passive force, Pp, per unit length of the wall using Sokolowskiı˘ (1965) solution by the method of characteristics (Table 15.3).

Q: Refer to Figure 15.22. Given: H = 5

Refer to Figure 15.22. Given: H = 5 m,  = 0,  = 0,  = 18.7 kN/m3 , ’ = 30o, and ’ = 2/3 ’. Estimate the passive force, Pp, per unit length of the wall using the Kp values given by Shields and To...

Q: Refer to the retaining wall shown in Figure 15.22.

Refer to the retaining wall shown in Figure 15.22. Given: u = 10o,  = 0,  = 19.2 kN/m3 , ’ = 35o, â...

Q: Refer to Figure 15.22. Given: u = 0

Refer to Figure 15.22. Given: u = 0,  = 0o, H = 5 m,  = 15 kN/m3 , ’ = 30o, and ’ = 15o...

Q: Redo Problem 15.8 when u = 10o and  =

Redo Problem 15.8 when u = 10o and  = 0o.

Q: Refer to Figure 16.48. Given:  = 30

Refer to Figure 16.48. Given:  = 30°,  = 15.5 kN/m3 , ’ = 20°, and c’ = 15 kN/m2 . Fin...

Q: Refer to Figure 16.10. Using the soil parameters given

Refer to Figure 16.10. Using the soil parameters given in Problem 16.6, find the height of the slope, H, that will have a factor of safety of 2 against sliding. Assume that the critical surface for sl...