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Civil Gyan

OPC

Different Grades of Ordinary Portland Cement- OPC 33/43/53

Cement is the most generally used construction material existing and is merely behind water because of the planet’s most consumed resource. The cement grade mainly corresponds to the average compressive strength attained by at least three mortar cubes (area of face 50 cm2) composed of one part of cement, three parts of standard sand (conforming to […]

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