Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Equal increase in pore water pressure and total stress
Increase in pore water pressure but decrease in total stress
Equal decrease in pore water pressure and total stress
Decrease in pore water pressure but increase in total stress

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Soil Mechanics and Foundation
Quick sand is a

flow condition occurring in cohesionless soils
type of sand
flow condition occurring in cohesive soils
flow condition occurring in both cohesive and cohesionless soils

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