Figure 15. Triaxial specimen (CIU) stress state during undrained 

 shear for over-consolidated, normally-consolidated, 

 and intermediate behavior. 



over consolidated normally consolidated 



_» (kPa) 



10 20 30 40 50 60 70 80 



90 100 110 



= (0.65 rad) 37 deg 



■= (3.4 kPa) 0.5 psi 



S 0= (0.58 rad) T— 



33 deg y^ 



6 8 10 



Effective normal stress, o^ (psi) 



Figure 16. Mohr-Coulomb failure envelope r esu lting from the 

 triaxial shear strength tests (CIU) described. 



26 



