Mathematics · Geotechnical Calculations
At points B (depth 3 m) and C (depth 6 m), calculate the rest lateral earth pressure Po per unit length of wall given Ko = 1 − sin(φ), φ = 20° (sin 20° = 0.342), unit weight γ = 17 kN/m3.
- 1At B: 51.32 kN/m2; At C: 33.56 kN/m2
- 2At B: 33.56 kN/m2; At C: 51.32 kN/m2
- 3At B: 33.56 kN/m2; At C: 71.10 kN/m2✓
- 4At B: 71.10 kN/m2; At C: 33.56 kN/m2
Correct answer
At B: 33.56 kN/m2; At C: 71.10 kN/m2
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