Computer · Soil Mechanics
While estimating the stability of an infinite slope, the failure envelope for a cohesionless soil is defined by which of the following equations? (where c is cohesion, φ is the angle of internal friction, σ is normal stress, τf is shear strength, and ψ is the angle of slope inclination).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1τf = c - σ tan(ψ)
- 2τf = c + σ tan(φ)
- 3τf = c - σ tan(φ)
- 4τf = σ tan(φ)✓
Correct answer
τf = σ tan(φ)
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