USEFUL DATA 



Moments 

 of Inertia 



MOMENT OF INERTIA 

 OF Column Verticals Arranged in a Circle 

 Expressed in Terms of Concrete 

 Inches* 

 I=nh 



Note. — For calculation of the moment of inertia the bars are assumed transformed into a con- 

 tinuous cylinder having a sectional area eqmvalent to the sum of the area of the bars. 



159 



