Answer / ajay kumar singh

Grade of concrete indicates the strength of concrete.
such as Grade M20 means strength of concrete is 20N/MM2
after 28 days curing.

Answer / sekar.k

The strength of concrete pertaining to the Grade of
concrete.Now a days Grade of concrete used in
constructional field as
M10,M15,M20,M25,M30,M35,M40,M50,M60,M70&M80.When the gdade
of concrete increases automatically the strength also
attained early.(compared to lesser grade concrete)

Answer / kapil jain

Grade of concrete denoted- compressive strength of concrete.
such as Grade M-20 means compressive strength of concrete is 20 N/MM2 or mpa
after 28 days curing.

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