Soil Mechanics and Foundation
Coefficient of compressibility is

independent of type of soil but depends on the stress history of soil
different for different types of soils and also different for a soil under different states of consolidation
different for different types of soils but same for a soil under different states of consolidation
constant for any type of soil

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

cohesion and effective unit weight of soil
cohesion and effective angle of shearing resistance
effective unit weight of soil and effective angle of shearing resistance
effective angle of shearing resistance

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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 voids ratio and decreases permeability
Increases both voids ratio and permeability

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