290 



DR E. G. COKER ON 



Table XIII. — Combined Bending and Twist. 



Bar I. 





Bar II. 









Col. I. 



Col. II. 



Col. III. 



Col. IV. 





No Bending 



No Bending 





Bending Moment 





3 hours after 



Torque 



Moment. 



Moment. 



Torque 



668 inch lbs. 



Torque 



last Test. 



in inch 







in inch 

 lbs. 





in inch, 

 lbs. 





lbs. 









Reading. A 



Reading. A 





Reading. A 





Reading. A 

































195 



196 





196 





201 



75 



I 95 



196 



75 



196 



75 



201 





195 



196 





196 





202 



150 



390 



392 



150 



392 



150 



403 





197 



193 





198 





207 



225 



587 



585 



225 



590 



225 



610 





197 



197 





215 





208 



300 



784 



196 



782 



300 



805 



765 



300 



818 



266 



375 



980 



125 





375 



1570 



375 



1084 



194 



420 



1105 





After 2 m 



inutes, went off 



300 



890 





44 





sea 



le entirely 





201 



435 



1149 



42 









225 



689 



203 



450 



1191 



42 









150 



486 



202 



465 



1233 



43 









75 



284 



208 



480 



1276 



46 

 1322 













76 



495 













46 











510 



1368 



50 











525 



1418 



50 











540 



1468 



48 











555 



1516 



62 











570 



1578 



98 











585 



1676 



700 











605 



2376 



1100 











615 



3476 













The author has not been able to find any other experiments bearing upon the 

 position of the yield-point as affected by bending. The yield-point is, however, known 

 to be lowered by tension, as mentioned previously. 



