• What is M15, M20 Concrete mix - …

    What is M15, M20 Concrete mix ? ... a concrete mix of proportions 1:2:4 means that ... IS 456-2000 has designated the concrete mixes into a number of grades as M10 ...

  • principles of concrete mix design.ppt

    w/c ratio and a certain minimum grade of concrete for that particular exposure. Making Durable Concrete Lowering the porosity and permeability of concrete is only way ...

  • What is the ratio of Grades M10…

    What is the ratio of Grades M10,M15,M20,M25,M30,M35 ... No where code IS is specified mix ratios for grade of concrete. ... nominal mix of grade …