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Write a short note on grade of concrete.
written 6.9 years ago by gravatar for ashishgoklani ashishgoklani • 180 modified 5.6 years ago by gravatar for prashantsaini prashantsaini • 0
building materials and construction
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written 6.7 years ago by gravatar for ashishgoklani ashishgoklani • 180

The grade of concrete is decided on the basis of compressive strength (N/mm2) of concrete cube of 150mm side after 28 days curing.

There are three categories of concrete grades as follows depending upon compressive strength obtained after 28 days curing;

1. Ordinary concrete – In this category, low to …

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