What is m & 20.&
what is fe&415.

Answer Posted / mogulaiah

m :- stands mix of concrete.
20 :- stands compressive stregnth of concrete in N/SQ-MM
attains of 15cm X 15cm X 15cm cube after 28 days curing
provided.
Fe415 :- stands tensoile strength of rebar N/SQ-MM

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