3

6

9

16

effective stress with time

effective stress with depth

pore water pressure with depth

pore water pressure with time

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 decrease

both neutral pressure and effective pressure increase

0.028

0.28

36

0.036

over-consolidated ciay with a high over-consolidation ratio

over-consolidated clay with a low over-consolidation ratio

normally consolidated clay

under-consolidated clay