which grade of concrete is the strongest?
M20,M25,M30,M35 or M40?
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Answer Posted / er.mahadir mohamed
As per is 456-2000 code book, they published exact mix
( M15 , M20 , M25 )ratio. now we are commonly adopted in
our construction industries. but ( M30, M35,M40,....M80 )
IS DESIGN MIX. its depend upon the design mixing, water
cement ratio, and other admixtures. .... my answer is M25
is stronger to give enough strent to our construction.
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