NEN EN 13055-1 : 2002 C1 2006

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Physical requirements
5 Chemical requirements
6 Testing
7 Evaluation of conformity
8 Designation
Annex A (normative) Determination of crushing resistance
Annex B (normative) Determination of resistance to
                       disintegration
Annex C (normative) Determination of resistance to freezing
                       and thawing of lightweight aggregates
Annex D (informative) Guidance on how to convert quantities
                       by mass to quantities by volume
Annex E (informative) Guidance on the effects of some
                       chemical constituents of lightweight
                       aggregates on the durability of concrete,
                       mortar and grout in which they are
                       incorporated
Annex F (normative) Factory production control
Annex ZA (informative) Clauses of this European Standard
                       addressing essential requirements or other
                       provisions of EU Directives

Standard specifies the properties of lightweight aggregates and lightweight filler aggregates obtained by processing natural, manufactured or recycled materials and mixtures of these aggregates for use in concrete, mortar and grout in buildings, roads and civil engineering works.