PREN 13055 : DRAFT 2012

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Requirements
6 Testing
7 Evaluation of conformity
8 Designation, supply marking and labelling
Annex A (normative) - Source materials considered in
        the development of EN 13055 and their status
        in respect of the scope of the standard
Annex B (normative) - Standards covering other
        applications of lightweight aggregates
Annex C (normative) - Determination of bulk crushing
        resistance
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 (informative) - Factory production control
Annex ZA (informative) - Clauses of this European
         Standard addressing the provisions of
         the EU Construction Products Directive

Defines the properties of lightweight aggregates and fillers derived thereof obtained by processing natural or manufactured materials and mixtures of these aggregates for concrete, mortar and grout, bituminous mixtures and surface treatments and for unbound and hydraulically bound applications for construction works.