Answered: A7 m high retaining wall retains two…

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter13: Lateral Earth Pressure: At-rest, Rankine, And Coulomb

Section: Chapter Questions

Problem 13.6P

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A 7 m high retaining wall retains two sides of soil profile as shown in Figure Q1(c). A uniform surcharge load, q = 150 kPa is acting on the top of two layers soil. Use unit weight of water= 10kN/m3

i) Determine the Ka for the first soil layer (3.0 m), Ka for the second soil layer (4.0 m) and Kp for the first soil layer (4.0 m)

ii) Determine the effective stress at the point A in Figure Q1(c)

iii) Determine the effective stress at the point B in Figure Q1(c)

Transcribed Image Text:A 7 m high retaining wall retains two sides of soil profile as shown in Figure Q1(c). A uniform surcharge load, q = 150 kPa is acting on the top of two layers soil. Use unit weight of water= 10KN/m3 150 kPa c' =0 kN/m², ø'= 17°, 3.0 m y = 18 kN/m? c'= 15 kN/m2, Ø' = 19°, c'= 10 kN/m², ø' = 20°. 4.0 m 4.0 m y = 19 kN/m y = 20 kN/m3 B FIGURE Q1(c)

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