Soil Mechanics and Foundation
Allowable bearing pressure for a foundation depends upon

none of above
ultimate bearing capacity of soil only
allowable settlement only
both allowable settlement and ultimate bearing capacity

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

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