the retaining strcharge concrete unit weight Ye 25 kN/m. The ultimate bearing capacity of the foundation soil is (qut) = 250 kN/m The backfill soil properties are : Unit weight y1 =18 kN/m², ¢1 = 38°, C1 = o The foundation soil properties are: Unit weight y2 =19 kN/m², ¢2 = 30° , C2 = 20 kN/m² Assume Rankin active case, , and (k] = k = 2/3), 8 = (2/3 p2) Required: 1- The pressure diagram 2- F.S against overturning failure 3- F.S. against sliding failure 4- F.S. against B/C failure q = 10kPa 0.4m 5m 0.5m "virtual plane" 1.4 m 0.4m A 3m (a) Wall geometry
the retaining strcharge concrete unit weight Ye 25 kN/m. The ultimate bearing capacity of the foundation soil is (qut) = 250 kN/m The backfill soil properties are : Unit weight y1 =18 kN/m², ¢1 = 38°, C1 = o The foundation soil properties are: Unit weight y2 =19 kN/m², ¢2 = 30° , C2 = 20 kN/m² Assume Rankin active case, , and (k] = k = 2/3), 8 = (2/3 p2) Required: 1- The pressure diagram 2- F.S against overturning failure 3- F.S. against sliding failure 4- F.S. against B/C failure q = 10kPa 0.4m 5m 0.5m "virtual plane" 1.4 m 0.4m A 3m (a) Wall geometry
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![For the retaining wall shown below carries a surcharge of q = 10 kN/m?. The concrete unit weight y. =
25 kN/m. The ultimate bearing capacity of the foundation soil is (qut) = 250 kN/m
The backfill soil properties are :
- Unit weight y1 =18 kN/m², ̟1 = 38°, C = 0
The foundation soil properties are:
Unit weight y =19 kN/m², 2 = 30°, C2 = 20 kN/m?
Assume Rankin active case, , and (k] = k = 2/3) , 8 = (2/3 2)
Required:
1- The pressure diagram
2- F.S against overturning failure
3- F.S. against sliding failure
4- F.S. against B/C failure
q = 10kPa
0.4m
5m
0.5m
"virtual plane"
1.4 m
0.4m 1
A
3m
(a) Wall geometry](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffba2021c-bf5d-4865-b4f0-c7b89e54ab3c%2Fca1176b1-c5de-42eb-93f4-8889b4703210%2Fa83umb_processed.png&w=3840&q=75)
Transcribed Image Text:For the retaining wall shown below carries a surcharge of q = 10 kN/m?. The concrete unit weight y. =
25 kN/m. The ultimate bearing capacity of the foundation soil is (qut) = 250 kN/m
The backfill soil properties are :
- Unit weight y1 =18 kN/m², ̟1 = 38°, C = 0
The foundation soil properties are:
Unit weight y =19 kN/m², 2 = 30°, C2 = 20 kN/m?
Assume Rankin active case, , and (k] = k = 2/3) , 8 = (2/3 2)
Required:
1- The pressure diagram
2- F.S against overturning failure
3- F.S. against sliding failure
4- F.S. against B/C failure
q = 10kPa
0.4m
5m
0.5m
"virtual plane"
1.4 m
0.4m 1
A
3m
(a) Wall geometry
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