Answer / nravindran

1.Find the Exposer condition
2.Find the grade of concrete
3.What is the minimum cement content
4.What is the maximum water cement ratio
5.Take the standard deviation
6.Find the specific garvity of bulk materials
7.If Admixture required what kind of admixture required
8.Finally adopt the formula

V=[W+C/Sc+1/PxFa/SFa]x1/1000 This is for calculate Fine
aggregate content

V=[W+C/Sc+1/1-PxCa/Sca]x1/1000 This is for calculate Coarse
aggregate

For further details pl refer IS 10262,456

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