Redo Problem 11.5 assuming that the backfill is supporting a surcharge of 9.6 kN/m2. Problem 11.5 A retaining wall 6 m high with a vertical back face retains a homo geneous saturated soft clay. The saturated unit weight of the clay is 19 kN/m3. Laboratory tests showed that the undrained shear strength, cu, of the clay is 16.8 kN/m2. a. Do the necessary calculations and draw the variation of Rankine’s active pressure on the wall with depth. b. Find the depth up to which a tensile crack can occur. c. Determine the total active force per unit length of the wall before the tensile crack occurs. d. Determine the total active force per unit length of the wall after the tensile crack occurs. Also find the location of the resultant.
Redo Problem 11.5 assuming that the backfill is supporting a surcharge of 9.6 kN/m2. Problem 11.5 A retaining wall 6 m high with a vertical back face retains a homo geneous saturated soft clay. The saturated unit weight of the clay is 19 kN/m3. Laboratory tests showed that the undrained shear strength, cu, of the clay is 16.8 kN/m2. a. Do the necessary calculations and draw the variation of Rankine’s active pressure on the wall with depth. b. Find the depth up to which a tensile crack can occur. c. Determine the total active force per unit length of the wall before the tensile crack occurs. d. Determine the total active force per unit length of the wall after the tensile crack occurs. Also find the location of the resultant.
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter12: Lateral Earth Pressure
Section: Chapter Questions
Problem 12.5P
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Redo Problem 11.5 assuming that the backfill is supporting a surcharge of 9.6 kN/m2.
Problem 11.5
A retaining wall 6 m high with a vertical back face retains a homo geneous saturated soft clay. The saturated unit weight of the clay is 19 kN/m3. Laboratory tests showed that the undrained shear strength, cu, of the clay is 16.8 kN/m2.
a. Do the necessary calculations and draw the variation of Rankine’s active pressure on the wall with depth.
b. Find the depth up to which a tensile crack can occur.
c. Determine the total active force per unit length of the wall before the tensile crack occurs.
d. Determine the total active force per unit length of the wall after the tensile crack occurs. Also find the location of the resultant.
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