Soil Mechanics and Foundation
Which one of the following clays behaves like a dense sand ?

over-consolidated ciay with a high over-consolidation ratio
normally consolidated clay
under-consolidated clay
over-consolidated clay with a low over-consolidation ratio

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Soil Mechanics and Foundation
Within the consolidation process of a saturated clay

both neutral pressure and effective pressure decrease
a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant
a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant
both neutral pressure and effective pressure increase

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

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

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