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

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Grade of Concrete and Mix Ratio of Concrete

Grade of Concrete : The designation of Concrete according to its compressive strength is called Grade of Concrete. Following are the different Grade of Concrete, their Mix Proportions, and their compressive strength :   Group Grade of Concrete Compressive Strength Mix Ratio

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