CORRUGATED BAR COMPANY, INC. 



Arm of resisting couple, 

 Fiber stresses, 



/s = 

 /c = 



M 



Aajd 



2Mkd 



{{2kd-t)ht+{kd-ty-h']jd 



(c) Beams Reinforced for Compression. 



7—^ 



c^c' 



/a + n 



Fig. 3. 



Position of neutral axis. 



Position of resultant compression. 



Arm of resisting couple. 

 Fiber stresses. 



jd = d—z 

 QM 



-[--.+^(.-f)0-9] 



fa = —rj-j^ = n/c 



1-Jfc 



(d) Shear, Bond, and Web Reinforcement. 



For rectangular beams* 



V 



8 



(13) 



(14) 

 (15) 



(16) 



(17) 



(18) 



(19) 

 (20) 

 (21) 



(22) 



