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A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. Cohesion of soil = 20 kN/m2 a) Compute for the total force per unit length of wall for active condition. b) At what depth will the cracking occur? b) Compute for the location of the resultant force. q = 10 kN/m? Y = 15.7 kN/m3 3m

A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. Cohesion of soil = 20 kN/m2 a) Compute for the total force per unit length of wall for active condition. b) At what depth will the cracking occur? b) Compute for the location of the resultant force. q = 10 kN/m? Y = 15.7 kN/m3 3m

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Rankine Passive Earth Pressure

Problem 5: A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. Cohesion of soil = 20 kN/m? a) Compute for the total force per unit length of wall for active condition. b) At what depth will the cracking occur? b) Compute for the location of the resultant force. q = 10 kN/m² Y = 15.7 kN/m3 3m V GWT 1.5m Y = 19.3 kN/m3
Transcribed Image Text:Problem 5: A 4.5 m high retaining wall is supporting a horizontal backfill having a unit weight of 15.7 kN/m³ and a saturated unit weight of 19.3 kN/m³. Ground water table is located 3 m below the ground surface. Drained friction angle for the backfill is 30°. Cohesion of soil = 20 kN/m? a) Compute for the total force per unit length of wall for active condition. b) At what depth will the cracking occur? b) Compute for the location of the resultant force. q = 10 kN/m² Y = 15.7 kN/m3 3m V GWT 1.5m Y = 19.3 kN/m3
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