220 



FRAMEWORK 



TABLE XIII. 

 RIVET SPACING. 



TABLE XIV. 

 SHEARING AND BEARING VALUE OF RIVETS IN POUNDS. 



Ibs. The required net area for tension will be 14,700 -=- 20,000 = 0.74 

 square inches. The gross area of a 3" x 3/ 8 " bar is 1 . 125 square inches 

 (page 388 Cambria) and the net area after deducting for one 24" rivet 

 is 0.795 square inches (page 310 Cambria) which is sufficient for 

 tension. 



