16,800 

 14,400 

 12,000 



=- 9,600 



c 



g 7,200 



0) 



I- 



4,800 



2,400 







16,800 

 14,400 



12,000 



3 



c 9.600 



o 



1 7,200 



t- 



4,800 



2,400 







1 1 1 1 1 



16°- 



i i 



/y 



**-o° 



<s^ i i i i i 



i i i i 



0.12 



0.24 0.36 



Elongation (in.) 



0.48 



0.12 



0.24 0.36 



Elongation (in.) 



0.48 



0.24 0.36 



Elongation (in.) 



0.48 



(a) Positive rotation, 

 and 16 degrees 



0.60 



1 



1 1 1 1 1 1 1 1 



/ ■ 





JF* 49° 







>r 





w 





4? 



- 



w 





4*r 























** 1 



1 i I 1 1 1 1 I 



(b) Positive rotation, 



49, 114 and 245 degrees 



0.60 



(c) Negative rotation 

 for all degrees 



0.60 



Figure 8. Tension versus elongation of 3x19 multistrand 

 cable in fixed -end test. 



27 



