Grades of Concrete as per IS 456 : 2000

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In this post, we will discuss the Grades of Concrete as per IS 456: 2000

Grades of Concrete as per IS 456: 2000

There is normally a gain of strength beyond 28 days. The quantum of increase depends upon the grade and type of cement, curing and environment conditions, etc. The design should be based on 28 days characteristic strength unless there is evidence to justify a higher strength for a particular structure due to age.

For concrete of grade M 30 and above, the rate of increase of compressive strength with age shall be based on actual investigations.

Where members are subjected to lower direct load during construction, they should be checked for stresses resulting from a combination of direct load and bending during construction.

Below is the Designation of Concrete mix M refers to the mix and the number to the specified compressive strength of 150 mm size cube at 28 days, expressed in N/mm²

For concrete of Compressive strength greater than M55, design parameters given in the standard may not be applicable and the values may be obtained from specialized literature and experimental results.

Grades of Concrete as per IS 456 : 2000

One Thing Keep In Mind That This Is Only The Hand Made Notes.

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