The 'Taylor''s stability number' Sn for an infinite slope in cohesive soil relates to:
Choose the correct answer
Permeability of slope material
Cohesion, unit weight, and critical height of slope — used to find stability of natural slopes in c-φ soils
Compressibility under axial load
Bearing capacity of foundations
Correct Answer
B. Cohesion, unit weight, and critical height of slope — used to find stability of natural slopes in c-φ soils
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Taylor (1937) stability charts: Sn = c/(γ × Hc) for slopes in c-φ soils. Hc = critical height (collapse height without support). Sn = f(φ, slope angle β, depth factor D). Used to determine: critical height of cut, factor of safety, or cohesion required. For deep-seated failure: Sn from stability chart for given β, D, and φ.
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