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which grade of concrete is the strongest?
M20,M25,M30,M35 or M40?

Answer Posted / pathik

M40
bcz it has cement ,sand, aggeregate ratio is higer
it cement content is higer
its intialo settaing time 30 mintus final setting time after
quring 30 days
then is strenth is 400N/mm2

Is This Answer Correct ?    5 Yes 6 No



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