NEN EN 13224 : 2011

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, and symbols
  3.1 Terms and definitions
4 Requirements
  4.1 Material requirements
  4.2 Production requirements
  4.3 Finished product requirements
      4.3.1 Geometrical properties
      4.3.2 Surface characteristics
      4.3.3 Mechanical resistance
      4.3.4 Resistance and reaction to fire
      4.3.5 Acoustic properties
      4.3.6 Thermal properties
      4.3.7 Durability
      4.3.8 Other requirements
5 Test methods
  5.1 Tests on concrete
  5.2 Measuring of dimensions and surface characteristics
6 Evaluation of conformity
  6.1 General
  6.2 Type testing
  6.3 Factory production control
7 Marking and labelling
8 Technical documentation
Annex A (informative) Examples of elements
Annex B (normative) Minor floor elements
      B.1 General
      B.2 Additional requirements for Minor Floor Elements
          B.2.1 General
          B.2.2 Dimensions
          B.2.3 Minimum strength of concrete
      B.3 Special rules for Minor Floor Elements
          B.3.1 Bearing length
          B.3.2 Transverse load distribution
          B.3.3 Detailing
Annex C (informative) Unintended negative moments
Annex D (informative) Thermal maps
Annex E (informative) Transverse load distribution
Annex F (informative) Diaphragm action
Annex Y (informative) Choice of CE marking method
      Y.1 General
      Y.1 Method 1
      Y.2 Method 2
      Y.3 Method 3
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives
      ZA.1 Scope and relevant characteristics
      ZA.2 Procedure for attestation of conformity of precast
           ribbed floor elements
           ZA.2.1 System of attestation of conformity
           ZA.2.2 EC Certificate and Declaration of conformity
      ZA.3 CE marking and labelling
           ZA.3.1 General
           ZA.3.2 Declaration of geometrical data and material
                  properties
           ZA.3.3 Declaration of product properties
           ZA.3.4 Declaration of compliance with a given design
                  specification
Bibliography

Specifies the requirements, the basic performance criteria and evaluation of conformity for precast ribbed elements made of reinforced or prestressed normal weight concrete, used in floors or roofs.