Civil Engineering MCQAE Level Civil Engineering
The primary consolidation settlement of a clay layer depends on:
Soil MechanicsConsolidation SettlementMEDIUM
Choose the correct answer
A
Coefficient of permeability only
B
Compression index, initial void ratio, and stress change
C
Shear strength only
D
Angle of friction only
Correct Answer
B. Compression index, initial void ratio, and stress change
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Primary consolidation settlement: S = (C_c × H)/(1+e₀) × log₁₀((σ₀' + Δσ)/σ₀'), which depends on compression index C_c, initial void ratio e₀, initial effective stress σ₀', and stress increment Δσ.
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