Figure 5 shows a gravity retaining wall retaining a granular (c'=0) backfill. The same soil is present at the bottom of the wall and on the left. The unit weight and the effective friction angle of the backfill are 18.5 kN/m2 and 35°, respectively. Unit weight of concrete is 24.0 kN/m³ and 8' = 2/36'. Determine the factors of safety with respect to sliding, overturning, and bearing capacity failures. The ultimate bearing capacity has been determined to be 476 kN/m². Use Rankine's theory to compute active and passive earth pressures.
Figure 5 shows a gravity retaining wall retaining a granular (c'=0) backfill. The same soil is present at the bottom of the wall and on the left. The unit weight and the effective friction angle of the backfill are 18.5 kN/m2 and 35°, respectively. Unit weight of concrete is 24.0 kN/m³ and 8' = 2/36'. Determine the factors of safety with respect to sliding, overturning, and bearing capacity failures. The ultimate bearing capacity has been determined to be 476 kN/m². Use Rankine's theory to compute active and passive earth pressures.
Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN:9781305081550
Author:Braja M. Das
Publisher:Braja M. Das
Chapter12: Lateral Earth Pressure
Section: Chapter Questions
Problem 12.5P
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Question
![Figure 5 shows a gravity retaining wall retaining a granular (c'=0) backfill. The same
soil is present at the bottom of the wall and on the left. The unit weight and the effective
friction angle of the backfill are 18.5 kN/m2 and 35°, respectively. Unit weight of
concrete is 24.0 kN/m³ and 8' = 2/36'. Determine the factors of safety with respect to
sliding, overturning, and bearing capacity failures. The ultimate bearing capacity has
been determined to be 476 kN/m². Use Rankine's theory to compute active and passive
earth
pressures.
1.2 m
0.5 m
1.0 m
1.0 m
2.0 m
5.4 m
0.6 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc837c159-281c-429a-9ec5-8a70fc5b4137%2F136800ab-7ed4-4455-a041-4ccc250f8b0d%2Ft9f9m3k_processed.png&w=3840&q=75)
Transcribed Image Text:Figure 5 shows a gravity retaining wall retaining a granular (c'=0) backfill. The same
soil is present at the bottom of the wall and on the left. The unit weight and the effective
friction angle of the backfill are 18.5 kN/m2 and 35°, respectively. Unit weight of
concrete is 24.0 kN/m³ and 8' = 2/36'. Determine the factors of safety with respect to
sliding, overturning, and bearing capacity failures. The ultimate bearing capacity has
been determined to be 476 kN/m². Use Rankine's theory to compute active and passive
earth
pressures.
1.2 m
0.5 m
1.0 m
1.0 m
2.0 m
5.4 m
0.6 m
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Step 1: Introduce the problem statement
VIEWStep 2: Determine coefficient of active and passive earth pressure
VIEWStep 3: Compute forces due to active and passive earth pressure
VIEWStep 4: Calculate vertical loads
VIEWStep 5: Determine moment about the toe
VIEWStep 6: Compute factor of safety w.r.t. sliding
VIEWStep 7: Compute factor of safety w.r.t. overturning
VIEWStep 8: Compute factor of safety w.r.t. bearing capcity
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