Answer / gopal chandra sahu

refer the IS 456-2000 FOR M-20, M-25,M-30 ETC

Answer / ajay kondapalli

IS 456-2000

Answer / poonam mumbarkar

M2O,M25 is grade of concrete and IS code is standardise
refferance document of" Indian Standard" for MIX DESIGN
procedure,for testing,for workability,and achived target
strength(Normally IS codes For using
456,516,2386,4031,8112,and last one is 100262).

Answer / rahul

get all the codes from www.iscodes.blogspot.com

Answer / krishna prasad

456, 10262, SP 23

Answer / jaydeep banerjee

As per IS the volume mix of concrete shoud be mix for
M20,1:1.5:3 ratio and for M25-1:1:2 ratio and after 28
days compressive strength should be more than 20N/mm2 for
M20 & 25N/mm2 for M25

Answer / chandra prakash shrivastava

IS 456 - 2000

Answer / dayanidhi balabantaray

I think IS code 456-2000 & all so with IS code 10262
7 days compressive strength is above 67%
28 days compressive strength is Fck+4
Fck=characteristic strangth
for eg. characteristic strangth is 20 N/mm2 so 20+4=24N/mm2

Answer / poonam kadam

M2O,M25 is grade of concrete and IS code is standardise
refferance document of" Indian Standard" for MIX DESIGN
procedure,for testing,for workability,and achived target
strength(Normally IS codes For using
456,516,2386,4031,8112,and last one is 10262).

Answer / prakash

ITS CONCRETE DISENGAGE MIX AND IS CODE 456-2000 TELLING
MINIMUM OF CONCRETE GRADE

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