15 



X 20 



O 25 

 O 



O 30 



1- 



$ 



o 



_l 



UJ 



CO 35 



UJ 



o 

 z 

 < 



52 40 



45 



50 



55 



60 



50 



I I 



V 



V 





1 — I — I — I — r— 1 — I — I — r 



- 10 



20 



VANE SHEAR 

 TEST 



- 40 



50 



- 60 



J I L 



J I I I I 



J L 



J \ L 



70 



80 O 



90 



100 



120 



I 30 



140 



150 



.2 .4 .6 .8 .2 .4 .6 .8 I 1.2 1.4 1.6 1.8 2 



.4 .6 .8 I 1.2 1.4 



COHESION, psi 



FIGURE 15. DEPTH RELATED TO COHESION (COMPRESSION AND VANE TESTS): 



AREA E CORES 



29 



