Soil Mechanics and Foundation
Coefficient of consolidation for clays normally

first increases and then decreases with increase in liquid limit
decreases with increase in liquid limit
increases with increase in liquid limit
remains constant at all liquid limits

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Soil Mechanics and Foundation
Effective stress on soil

Decreases both voids ratio and permeability
Decreases voids ratio and increases permeability
Increases both voids ratio and permeability
Increases voids ratio and decreases permeability

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