Different Grade of Concrete: M20, M25, M30, their Mix ratio and Uses.
May 29, 2021Uses of Different Grades of Concrete. 1. Ordinary Grade: M5, M10, and M15 grades of concrete are mostly used in Plain Cement Concrete (PCC) works as bed concrete below column footing. While M20 grade concrete is used for RCC works (for mild exposure) such as the construction of slabs, beams, columns, footings, etc. 2.
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