A 5-m-high retaining wall with a vertical back face retains a homogeneous satu- rated soft clay. The saturated unit weight of the clay is 21 kN/mn³. Laboratory tests showed that the undrained shear strength, C, of the clay is 17 kN/m². a. Make the necessary calculation and draw the variation of Rankine's active pressure on the wall with depth. b. Find the depth up to which 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.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 5-m-high retaining wall with a vertical back face retains a homogeneous satu-
rated soft clay. The saturated unit weight of the clay is 21 kN/mn³. Laboratory tests
showed that the undrained shear strength, C, of the clay is 17 kN/m².
a. Make the necessary calculation and draw the variation of Rankine's active
pressure on the wall with depth.
b. Find the depth up to which 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.
Transcribed Image Text:A 5-m-high retaining wall with a vertical back face retains a homogeneous satu- rated soft clay. The saturated unit weight of the clay is 21 kN/mn³. Laboratory tests showed that the undrained shear strength, C, of the clay is 17 kN/m². a. Make the necessary calculation and draw the variation of Rankine's active pressure on the wall with depth. b. Find the depth up to which 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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