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A cohesionless granular soil with a unit weight of 18 kN/m³ is retained behind a cantilever wall as shown in Figure E2. Assume no groundwater near the influence zone and that the unit weight of concrete is 23.5 kN/m³ and 8 = 32° on the base of the wall. i. Determine the maximum and minimum pressures under the base. ii. What is the factor of safety against sliding? 50 kPa 0.4m ' = 38° 2m -3.5m- 0.4m Figure E2 6.4m

A cohesionless granular soil with a unit weight of 18 kN/m³ is retained behind a cantilever wall as shown in Figure E2. Assume no groundwater near the influence zone and that the unit weight of concrete is 23.5 kN/m³ and 8 = 32° on the base of the wall. i. Determine the maximum and minimum pressures under the base. ii. What is the factor of safety against sliding? 50 kPa 0.4m ' = 38° 2m -3.5m- 0.4m Figure E2 6.4m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A cohesionless granular soil with a unit weight of 18 kN/m³ is retained behind a cantilever wall as shown in Figure E2. Assume no groundwater near the influence zone and that the unit weight of concrete is 23.5 kN/m³ and δ = 32° on the base of the wall. i. Determine the maximum and minimum pressures under the base. ii. What is the factor of safety against sliding? **Diagram Explanation:** - The diagram shows a cantilever retaining wall with dimensions and forces detailed. - The top of the wall bears a uniform load of 50 kPa. - The soil friction angle (φ’) is 38°. - Dimensions are as follows: - The wall extends 0.4 m horizontally from the base and 2 m horizontally on top of the base slab. - The wall has a vertical height of 6.4 m from the base to the top. - The base of the wall extends 3.5 m from the back of the wall. - The δ = 32° refers to the angle at the base of the wall. **Figure E2**
Transcribed Image Text:A cohesionless granular soil with a unit weight of 18 kN/m³ is retained behind a cantilever wall as shown in Figure E2. Assume no groundwater near the influence zone and that the unit weight of concrete is 23.5 kN/m³ and δ = 32° on the base of the wall. i. Determine the maximum and minimum pressures under the base. ii. What is the factor of safety against sliding? **Diagram Explanation:** - The diagram shows a cantilever retaining wall with dimensions and forces detailed. - The top of the wall bears a uniform load of 50 kPa. - The soil friction angle (φ’) is 38°. - Dimensions are as follows: - The wall extends 0.4 m horizontally from the base and 2 m horizontally on top of the base slab. - The wall has a vertical height of 6.4 m from the base to the top. - The base of the wall extends 3.5 m from the back of the wall. - The δ = 32° refers to the angle at the base of the wall. **Figure E2**
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