M20 concrete mix ratio: M20 concrete is a 1:1.5:3 mixture of cement, sand, and aggregate, where cement makes up one part, sand makes up 1.5 parts, and aggregate or stone makes up the remaining three parts. #reels #m20gradeconcrete #civilengineering | Dimension Engineering Services - DES
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The density and strength of concrete are determined by the ratio of cement and aggregate (aggregate is sand, gravel, or crushed stone). Suppose that a contractor has 480 ft^3 of a dry concrete mixture that is 70 % sand by volume. How much pure sand must be added to form a new mixture that is 75 % sand by volume? | Numerade
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