Q4) for retaining wall shown in Figure No. 3.Find the following:1 m+SandSoilW1y=18 kN/m3D=30°5.5 mConcreteW2Yc=24 kN/m31 mClay SoilCa=60 kN/m2p=0°B-1-Width of base (B) if factor safety of sliding = factor safety ofoverturning2-Find friction angle under base if factor safety of sliding = 1and Ca=0

Answered: Image /qna-images/answer/e68b6520-cb48-4586-9d21-f1a0c6d867ec.jpg

Q4) for retaining wall shown in Figure No. 3. Find the following: 1 m+ SandSoil W1 Y=18 kN/m3 p=30° 5.5 m Concrete Yc=24 kN/m3 1 m W2 Clay Soil Ca=60 kN/m? p=0° B- 1-Width of base (B) if factor safety of sliding = factor safety of overturning 2-Find friction angle under base if factor safety of sliding = 1 and Ca=0

Q4) for retaining wall shown in Figure No. 3. Find the following: 1 m+ SandSoil W1 Y=18 kN/m3 p=30° 5.5 m Concrete Yc=24 kN/m3 1 m W2 Clay Soil Ca=60 kN/m? p=0° B- 1-Width of base (B) if factor safety of sliding = factor safety of overturning 2-Find friction angle under base if factor safety of sliding = 1 and Ca=0

Principles of Foundation Engineering (MindTap Course List)

9th Edition

ISBN:9781337705028

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter17: Retaining Walls

Section: Chapter Questions

Problem 17.1P

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Refer to Figure 12.3a. Given: H = 12 ft, q = 0, γ = 108 lb/ft3, c' = 0, and Φ' = 30º. Determine the at-rest lateral earth force per foot length of the wall. Also, find the location of the resultant. Use Eq. (12.4) and OCR = 2.
For the cantilever retaining wall shown in figure. Check/Analyze whether the wall is safe against overturning and sliding or not. If Ka=0.44 and Kp=2.30 and coefficient of friction=0.42. Use fc'=28 MPa and fy-420 4:27 МРа. 0-91 1-33m 2.22m 4.om.
Q3) A retaining structure is given in figure. Calculate the factor of safety against sliding. (Ignore tensile crack behavior inside active part and ground water condition. Take 1.0 m interval step for point load calculation. k₁= k₂= 0.9). 3.B m 2.C m Yn: 20.0 kN/m² D: 2Eº c: 30 kN/m² 0.5 m 0.5 m 1 3.0 m 5.0 m Y cone ➜ 5A0 KN Yn: 18.5 kN/m³ c: 18 kN/m² $: ID º 24.0 kN/m³
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ANSWER SHOULD BE ANSWER KEY: 43) 14.2 MPa 44) 90 mm 45) 0.33 MPa
Question 1: The cross-section of a cantilever retaining wall is shown below. Calculate the factor of safety with regards to overturning, sliding and bearing capacity (Use Rankine). Use Yeonerete = 23.58 kN/m³ and k, =k, = 2/3 F10 0.5 m H =0.458 m Yi = 18 kN/m³ di=30° cj=0 H2=6 m 10 1.5 m = D 0.7 m H3=0.7 m C + 0.7 m + 0.7 m →l+- 2.6 m 9 kN/m³ d'½=20° cz=40 kN/m²
Q5: In the case of the retaining wall depicted below. Calculate the lateral earth fore at rest per unit length of the wall. Determine the location of the resulting force as well as its magnitude. [25] y = 16.5 kN/m $ = 30 C = 0 Ground v Water table 2.5m Yur = 19.3 kN/m 0 = 30 C = 0 2.5m Good Luck
Q. Result. Thurst
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Q.resultant thurst..