Computer · Geotechnical Engineering
Determine the lateral earth pressure at rest per unit length of the wall at points B and C for a retaining wall with dry top layer of 2 m (γ = 18 kN/m3, φ = 20°) and submerged bottom layer of 3 m (γsat = 20 kN/m3). Consider Ko = 1 - sin(φ), γw = 10 kN/m3 and sin(20°) = 0.342.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1At point B, Po = 51.32 kN/m2; At point C, Po = 33.56 kN/m2
- 2At point B, Po = 33.56 kN/m2; At point C, Po = 51.32 kN/m2
- 3At point B, Po = 23.69 kN/m2; At point C, Po = 73.38 kN/m2✓
- 4At point B, Po = 71.1 kN/m2; At point C, Po = 33.56 kN/m2
Correct answer
At point B, Po = 23.69 kN/m2; At point C, Po = 73.38 kN/m2
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