BS EN 13383-2:2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Methods for sampling
5 Determination of the particle size distribution
   of coarse gradings
6 Determination of the mass distribution of light and
   heavy gradings
7 Determination of the percentage of pieces of
   armourstone with a length-to-thickness ratio
   greater than 3
8 Determination of particle density and water
   absorption
9 Determination of resistance to freezing and thawing
10 Determination of signs of 'Sonnenbrand' and
   disintegration of steel slags
Annex A (informative) - Example of a sampling report
Annex B (informative) - Example of a particle size
        distribution of a coarse grading
Annex C (informative) - Example of a mass distribution:
        reference method
Annex D (informative) - Example method for
        determination of mass distribution
        (employing bulk weighing)
Annex E (informative) - Density of water
Annex F (informative) - Precision for determination
        of particle density and water absorption
Annex G (informative) - Guidance on sampling for
        testing
Annex H (informative) - Guidance on sampling for
        testing
Bibliography

Describes sampling and test methods for natural, artificial and recycled aggregates for use as armourstone.

This European Standard specifies sampling and test methods for natural, artificial and recycled aggregates for use as armourstone. This European Standard specifies the reference methods to be used for type testing and in case of dispute where an alternative method has been used. For other purposes, in particular factory production control, other methods may be used provided that an appropriate working relationship with the test method has been established.