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

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

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Soil Mechanics and Foundation
If the water table rises upto ground surface, then the

total stress is reduced due to increase in pore water pressure only but effective stress does not change
total stress is increased due to decrease in pore water pressure but effective stress does not change
effective stress is reduced due to decrease in total stress only but pore water pressure does not change
effective stress is reduced due to increase in pore water pressure only but total stress does not change

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