50 



"1 I — I — I — I — I — r 



15 



I 20 

 O 



O 25 

 U 



O 



Q. 



O 30 



I- 



3: 



O 



_l 

 u 

 CO 35 



UJ 



o 



z 

 < 



t- 



cO 40 



a 



45 



50 



55 



60. 



\ 



« 



I 



\ 



\ 



10 



/ 



< 



1 

 / 



N 



A 



AREA F 



50 



T I I 1 r 





A 



\ 



I 



y 



50 



"1 I I I 1 1 1 1 — r 



\ \ 



12 >.□' 



V 





20 



30 



40 



50 



60 



70 



\ 



V 



80 



90 



110 



N - 



20 



\„ 



130 



V 



J 1 I L 



.2 .4 .6 



I 1.2 



J 1 1 1 I I I I I I I 



150 



.4 .6 .8 I 

 COHESION, psi 



.2 .4 .6 .8 I 1.2 1.4 



FIGURE 17. DEPTH RELATED TO COHESION (COMPRESSION TESTS): 

 AREA F, CORES 10-12 



31 



