Soil Mechanics and Foundation
Bishop’s method of stability analysis

All of these
neglects the effect of forces acting on the sides of the slices
assumes the slip surface as an arc of a circle
is more conservative

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

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

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Soil Mechanics and Foundation
The shear strength of a soil

Decreases with increase in normal stress
Is directly proportional to the angle of internal friction of the soil
Is inversely proportional to the angle of internal friction of the soil
Decreases with decrease in normal stress

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