Category: Soil Mechanics and Foundation Engineering

If the water table rises upto ground surface, then the___________________?

A. effective stress is reduced due to decrease in total stress only but pore water pressure does not change
B. effective stress is reduced due to increase in pore water pressure only but total stress does not change
C. total stress is reduced due to increase in pore water pressure only but effec-tive stress does not change
D. total stress is increased due to de-crease in pore water pressure but effective stress does not change

Within the consolidation process of a saturated clay__________________?

A. a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant
B. a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant
C. both neutral pressure and effective pressure decrease
D. both neutral pressure and effective pressure increase