Question 
what is M & 20 of M20 concrete 
Question Submitted By :: Alok Kumar 
I also faced this Question!! 
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Answer Posted By 


Re: what is M & 20 of M20 concrete 
Answer
# 1 
M stands for Mix
20 stands for Compressive strength of concrete in N/ mm2


Guest



Re: what is M & 20 of M20 concrete 
Answer
# 2 
M stands for mix, of concrete cube with a compressive
strength of 20 N/ s.mm at 28 days


Rubes






Re: what is M & 20 of M20 concrete 
Answer
# 3 
M  Stands for MIX ; 20  Stands for characteristic
compressive strength of concrete at the age of 28 days


Sekar.k



Re: what is M & 20 of M20 concrete 
Answer
# 4 
m stadnds for mixture and numerical value indicates is
strength after 28 days curing period


Guest



Re: what is M & 20 of M20 concrete 
Answer
# 5 
m stadnds for mixture and numerical value indicates is
strength after 28 days curing period


Guest



Re: what is M & 20 of M20 concrete 
Answer
# 6 
M stands for mix and 20 is its compressive strength in
n/sqmm for 28 days.


Dinesh Gaikwad



Re: what is M & 20 of M20 concrete 
Answer
# 7 
charter strength of of concrete is called M20 and M25
M20 is mixing ratio is 1:1.5:3 , M25 is 1:1:2


Sundar



Re: what is M & 20 of M20 concrete 
Answer
# 8 
m is mix ic design & 20 is charectoristrength


Reddy



Re: what is M & 20 of M20 concrete 
Answer
# 9 
M  Stands for MIX ; 20  Stands for characteristic
compressive strength of concrete is 20 N/Sq.mm after 28
days curing.


Partha Mitra





