NEN EN 13450 : 2003 + C1 2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Sampling
5 Production
6 Geometrical requirements
7 Physical requirements
8 Harmful components
9 Evaluation of conformity
10 Designation and description
11 Marking and labelling
Annex A (informative) Sampling railway ballast at the
        construction site either from a railway wagon
        or from the track
Annex B (informative) Guidance on interpretation of
        results when samples of railway ballast have
        been taken from railway wagon or from track
Annex C (normative) Conditions to be applied to the test
        procedure specified in EN 1097-2 for testing the
        Los Angeles coefficient of railway ballast
Annex D (normative) Conditions to be applied to the test
        procedure specified in EN 1097-2 for testing
        the impact value of railway ballast
Annex E (normative) Conditions to be applied to the test
        procedure specified in EN 1097-1 for determination
        of the resistance to wear (micro-Deval) of
        railway ballast
Annex F (normative) Conditions to be applied to the test
        procedure specified in EN 1367-1 for determination
        of the resistance to freezing and thawing of
        railway ballast
Annex G (normative) Conditions to be applied to the test
        procedure specified in EN 1367-2 for the
        determination of the resistance of railway ballast
        to the magnesium sulfate test
Annex H (informative) Guidance on the freezing and thawing
        resistance of railway ballast
Annex I (normative) Factory production control
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU Directives

Describes the properties of aggregates obtained by processing natural or manufactured materials or recycled crushed unbound aggregates for use in construction of railway track.