Wednesday 25 October 2017

How to find length & width for slab if thickness and volume is given?




 How to find length & width for slab if thickness and volume is given? 


Given data:-
Concrete Volume in Slab = 1500 cft
Thickness of Slab            = 5"

Now finding The length and width of slab

Solution:-

When 
            length = Width = ?
L * B * H = 1500 cft
L * B * 5/12 = 1500 cft  (Divide 5 inches by 12 to become ft)

When

Length = width    So,
L * L * 5/12 = 1500 cft
(L)2* 5/12 = 1500
(L)2* 5/12 = 1500 * 12
5L/5 = 18000/5

Now taking Under-root ( Under-root = ;;}

{(L)2};; =  { 3600};;

 L = 60'
 B = 60 ' 



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