3 m 3 m Ground water table = Y Ø = 16 kN/m : 30° Y say = 0 3 18 kN/m³ $ = 35° c=0 Z For the retaining wall shown above calculate the following: A) Calculate the value of K (for either the 'active' or 'passive' earth pressure - whichever is appropriate! -..you decide). B) Calculate and sketch the pressure distribution on the 'back' side (soil side) of the retaining wall (show all of the relevant pressure distributions and indicate the magnitude of the distributions on the sketch). Indicate the correct units! C) Calculate the resultant horizontal force for each pressure distribution and calculate the total overturning moment about the base of the wall. Show the forces in the correct units! D) If this wall has a 'depth' (in-and-out of the 'page') of 20-m, what is the total horizontal force applied to the wall? How much total friction force is needed between the base of the wall and the soil to provide a Factor of Safety of 2.0 against 'sliding'.

3 m 3 m Ground water table = Y Ø = 16 kN/m : 30° Y say = 0 3 18 kN/m³ $ = 35° c=0 Z For the retaining wall shown above calculate the following: A) Calculate the value of K (for either the 'active' or 'passive' earth pressure - whichever is appropriate! -..you decide). B) Calculate and sketch the pressure distribution on the 'back' side (soil side) of the retaining wall (show all of the relevant pressure distributions and indicate the magnitude of the distributions on the sketch). Indicate the correct units! C) Calculate the resultant horizontal force for each pressure distribution and calculate the total overturning moment about the base of the wall. Show the forces in the correct units! D) If this wall has a 'depth' (in-and-out of the 'page') of 20-m, what is the total horizontal force applied to the wall? How much total friction force is needed between the base of the wall and the soil to provide a Factor of Safety of 2.0 against 'sliding'.

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter13: Retaining Walls

Section: Chapter Questions

Problem 13.4P

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T 3 m 3 m Ground water table y = 16 kN/m : 30° = c=0 3. Ysat = 18 kN/m Ø = 35° c=0 For the retaining wall shown above calculate the following: A) Calculate the value of K (for either the 'active' or 'passive' earth pressure - whichever is appropriate! ...you decide). B) Calculate and sketch the pressure distribution on the 'back' side (soil side) of the retaining wall (show all of the relevant pressure distributions and indicate the magnitude of the distributions on the sketch). Indicate the correct units! C) Calculate the resultant horizontal force for each pressure distribution and calculate the total overturning moment about the base of the wall. Show the forces in the correct units! D) If this wall has a 'depth' (in-and-out of the 'page') of 20-m, what is the total horizontal force applied to the wall? How much total friction force is needed between the base of the wall and the soil to provide a Factor of Safety of 2.0 against 'sliding'.
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