Answer / soumyajit ghosh

in 28 days the compressive strength of concrete is 20 N/mm^2

Answer / madanagopal

in M20 M stands for mix and 20 is characteristic strength of 150mm^3 cube

Answer / sumit patel

m20 graed is r.c.c in 28day strenth in 20n/mm^2

Answer / mntan

M refer to the mix & 20 refer the (20N/mm^2) characteristic compressive strength of 150*150*150 mm^3 concrete block after 28 days with proper curing.

Answer / harish

it is the grade of concrete where 'M' represents mix and numerical 2o indicates characterstic strength (i.e.fck)
whose strength after 28days curing is 20n/mm2

Answer / santosh singh

M20


M means design mix
And 20 is characteristic compressive strength of concrete after 28 days.

Answer / balaji p

M20 means mix design 20

Answer / soumyajit

M stands for Mix and 20 is the compresive strength of concrete it stands 20N/mm square and it is the lower grade taken in IS456-2000

Answer / er gurlal singh

m 20 is 100 out of 20

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