Answer / errakesh

Biggest diffrent between
M20and M25

Ratio of M20 is 1:1.5:3
It is use for water retaining
structure piles.

&

M25 Ratio is 1:1:2,
it is use for havey construction
like as Havey lodaded R.c.c
column

Thanks

Rakesh

Answer / hiren

also M20 gives compresive strength of 20n/mm2 while m25 gives
25n/mm2 of 28 days curing of standard cube

Answer / mathi.v

M20 compressive Stregth is 20N/mm2
M25 compressive Stregth is 25 N/mm2.., this r 21 days

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