Question 1a) Retaining wall are used to hold earth or other material in a vertical position atlocations where a sudden change in ground level occurs. There are many types ofretaining wall used for stability of ground. Describe briefly FIVE (5) different typesof 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 abovethe water table having friction angle, o' of 30° and unit weight, y of 16 kN/m'. Soil 2having a friction angle, o' of 36°, and saturated unit weight, ysat is 19 kN/m³ Both soillayer has a cohesion, c' of 0. Determine the Rankine active force per unit length ofthe wall and the location of the resultant line of action. Sketch the pressuredistribution diagram as well.Soil 1YI = 16 kN/m4'i = 30c' =0 kN/m23.05 mGWTSoil 2Yu = 19 kN/m'4': = 36c'=0 kN/m?3.05 m

Retaining wall It is a structure which is designed and constructed in order to bear horizontal…

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.

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.

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter15: Retaining Walls, Braced Cuts, And Sheet Pile Walls

Section: Chapter Questions

Problem 15.3P

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