NBN 748-21-1971
Surface hardness measurement. Hardness index

Standard No.

NBN 748-21-1971

Release Date

1971

Published By

BE-NBN

Latest

NBN 748-21-1971

Scope

The purpose of this standard is to describe one of the non-destructive tests used to measure the surface hardness of concrete.

NBN 748-21-1971 history

• 1971 NBN 748-21-1971 Surface hardness measurement. Hardness index