What is the difference between M20 and M25 concrete?
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Answer / k.shivakumar
M20 - Mix 20 is the Grade of concrete which attains its
compression strength of 200kg per sqcm or 20Ner sqmm or
20Mpa after 28days of casting of concrete
M25 - Mix 25 is the Grade of concrete which attains its
compression strength of 250kg per sqcm or 25 N per sqmm or
25Mpa after 28days of casting of concrete
hence the difference is only 5
Is This Answer Correct ? | 69 Yes | 1 No |
Answer / er. vaseem ahamad
Normally m-20 concrete usage is very popular for residential buildings upto three storey buildings.If we try to make m-20 grade concrete with single size coarse aggregate,concrete will be harse and honeycombing chances is more in columns,so ideally we should use 20 mm and 10 mm mix in proportion of 60% and 40% .If this is not possible we have to make concrete 01:02:03 for good cohesiveness in concrete practically.
Er. Vaseem ahamad,gorakhpur
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / mumbai
m-20 1;1\2;3& m-25 1;1;2 is to be required on r.c.c.const.
Is This Answer Correct ? | 2 Yes | 17 No |
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