Column 



Head 



Quantities 



CORRUGATED BAR COMPANY, INC. 



.n ^ 



Elevation of 45"^ Head 

 s* -D- 



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 



Cubic Feet of Concrete in Head when Angle is 45° 



1 I I I I I I I I I { I I I I i I I I I I I I I I I I I I I I I I I I I 

 5 10 15 20 25 30 35 



Cubic Feet of Concrete in Head when Angle is 30° 



The above diagram gives the volume of the ring of concrete forming the head. Volumes given 

 are for octagonal heads and columns. For square heads and columns multiply the volume by 1.21 

 For round heads and columns multiply the volume by 0.95. 



Diagram 17 



For obtaining volume of concrete in column heads of columns 



supporting flat slab floors. 



16a 



