UNI 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

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