Historical
BS EN 933-5:1998
Tests for geometrical properties of aggregates. Determination of percentage of crushed and broken surfaces in coarse aggregate particles (British Standard)
This European Standard specifies a method for the determination of the percentage of particles with crushed and broken surfaces in a sample of natural coarse aggregate. It applies to gravel or mixed aggregate containing gravel. The test method specified in this part of this European Standard is applicable to particle size fractions di/Di where Di <= 63 mm and di >= 4 mm.
British Standards Institution [bsi]