Mathematics · Earth Pressure
Behind a 6 m high retaining wall with a vertical back, a cohesionless backfill with an angle of internal friction φ = 30° and dry unit weight γ = 15 kN/m3 exists. The total lateral force exerted on the wall per meter length under active and passive conditions will be respectively:
- 1180 kN and 1620 kN
- 2180 kN and 450 kN
- 3810 kN and 90 kN
- 490 kN and 810 kN✓
Correct answer
90 kN and 810 kN
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