Question 
What is the proportion in M20, M25, M30 grade of
concrete? 
Question Submitted By :: Ashokdholakia66 
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Re: What is the proportion in M20, M25, M30 grade of
concrete? 
Answer
# 1 
M20 (1:1/2:3) M25(1:1:2) there is no proportion for M30 its
a rich design mix concrete only.


Chandu



Re: What is the proportion in M20, M25, M30 grade of
concrete? 
Answer
# 2 
Propertion in M20 is 1:1.5:3 and in M25 is 1:1:2,M30 is
based upon the disign.


Devi Singh






Re: What is the proportion in M20, M25, M30 grade of
concrete? 
Answer
# 3 
M20 means lower grade use in slab casting
(1:1.5:3)
M25(use in coulam casting  1:1:1.5)
M25(use in Raft and foundation use and mix Desgion not
1:1:1 ok
through Indian standard code IS:456


Om Prakash Narayan



Re: What is the proportion in M20, M25, M30 grade of
concrete? 
Answer
# 4 
watter, cement, crushed stone meby addmixture


M.haseeb Yaquobi





