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This European Standard specifies the composition, characteristics and preparation procedure for reference concrete substrates which are to be used in the test methods to measure performance requirements of products and systems for the repair and protection of concrete structures. The provisions of this standard are applicable to concrete with a maximum aggregate size of 16 mm or 20 mm or with a maximum aggregate size of 8 mm or 10 mm. The responsible committee for this standard is NA 005-07-06 AA "Schutz, Instandsetzung und Verstärkung (SpA zu CEN/TC 104/SC 8)" ("Protection, repair and strengthening of concrete structures (national mirror committee for CEN/TC 104/SC 8)") at DIN Standards Committee Building and Civil Engineering (NABau).
This document replaces DIN EN 1766:2000-03 .