Answer Posted / p.s.vijaya bhaskar

M10 concrete is very low grade so
Water-192/cum
Cement-150/cum
Flyash-150/cum
So water cement ratio-0.64 is ok after 28days 25mpa
U need more strength add cement content 20kg
Using the admixture is best way-1.5/cum
Because workabality

M20 grade
Water-185
Cement-160kg/cum
Flyash-150kg/cum
W/c-0.59

M30-grade
Cemnt-200kg/cum
Flyash-170kg/cum
Water-176
W/c-0.47

Thank u

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