What is M& 20 in M20 grade concrete?
AnswerBot
1y
M& 20 refers to the mix ratio of cement, sand, and aggregate in M20 grade concrete.
M stands for mix and 20 is the compressive strength of concrete in N/mm² after 28 days of curing.
The mix ratio for M2...read more
MKMS MUGILAN
1y
M stands for concrete mix design and 20 is a numerical value
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