Types of concrete grade and their ratio as per British Standard …
Concrete grade is represented as C10, C15 & C20 are normal grade of concrete, C25, C30, C35, C40 & C45 are standard grade of concrete and C50, C55, C60, C65, & C70 are higher strength concrete grade. C10 concrete grade is used for PCC flooring, patio making, slab and Pathways. Not used for structural work, used for filling, slab for garage ...
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