TRAPIZOIDAL FORMULA (VOLUME)

TRAPIZOIDAL VOLUME FORMULA  


ALL CIVIL ENGINEERING PROJECTS MOSTLY USED THIS TYPE OF FOOTINGS
 
Volume = [L X B X d] + h / 3 [ (A1 + A2) + (SQUARE ROOT A1 A2) ]
where ,
l = length ,
b = breadth ,
d = bottom depth ,
h = D - d ,
A1 = bottom area ,
A2= top area