b) A 6.1 m high retaining wall consists of 2 layers of soils (Figure QIb). Soil 1 is above the water table having friction angle, o' of 30° and unit weight, y of 16 kN/m³. Soil 2 having a friction angle, o' of 36°, and saturated unit weight, Yat is 19 kN/m³ Both soil layer has a cohesion, e' of 0. Determine the Rankine active force per unit length of the wall and the location of the resultant line of action. Sketch the pressure distribution diagram as well.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Question 1
a) Retaining wall are used to hold earth or other material in a vertical position at
locations where a sudden change in ground level occurs. There are many types of
retaining wall used for stability of ground. Describe briefly FIVE (5) different types
of retaining wall. Use sketches to support your answer.
b) A 6.1 m high retaining wall consists of 2 layers of soils (Figure Qlb). Soil 1 is above
the water table having friction angle, o' of 30° and unit weight, y of 16 kN/m'. Soil 2
having a friction angle, o' of 36°, and saturated unit weight, ysat is 19 kN/m³ Both soil
layer has a cohesion, c' of 0. Determine the Rankine active force per unit length of
the wall and the location of the resultant line of action. Sketch the pressure
distribution diagram as well.
Soil 1
YI = 16 kN/m
4'i = 30
c' =0 kN/m2
3.05 m
GWT
Soil 2
Yu = 19 kN/m'
4': = 36
c'=0 kN/m?
3.05 m
Transcribed Image Text:Question 1 a) Retaining wall are used to hold earth or other material in a vertical position at locations where a sudden change in ground level occurs. There are many types of retaining wall used for stability of ground. Describe briefly FIVE (5) different types of retaining wall. Use sketches to support your answer. b) A 6.1 m high retaining wall consists of 2 layers of soils (Figure Qlb). Soil 1 is above the water table having friction angle, o' of 30° and unit weight, y of 16 kN/m'. Soil 2 having a friction angle, o' of 36°, and saturated unit weight, ysat is 19 kN/m³ Both soil layer has a cohesion, c' of 0. Determine the Rankine active force per unit length of the wall and the location of the resultant line of action. Sketch the pressure distribution diagram as well. Soil 1 YI = 16 kN/m 4'i = 30 c' =0 kN/m2 3.05 m GWT Soil 2 Yu = 19 kN/m' 4': = 36 c'=0 kN/m? 3.05 m
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