NEN EN 13230-1 : 2016

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Common characteristics
   4.1 General
   4.2 Loading
        4.2.1 Loads
        4.2.2 Load distribution
   4.3 Design bending moments
        4.3.1 Bending moments at rail seat
        4.3.2 Bending moments at the centre part
   4.4 Data to be supplied
        4.4.1 Data supplied by the purchaser
        4.4.2 Data supplied by the supplier
5 Materials
   5.1 General requirements
   5.2 Cement
   5.3 Aggregates
   5.4 Mixing water
   5.5 Admixtures
   5.6 Concrete
   5.7 Steel
        5.7.1 Prestressing tendons
        5.7.2 Reinforcing steel
        5.7.3 Steel connecting bar
   5.8 Cast-in components
6 General requirements
   6.1 Design
   6.2 Manufacturing process
        6.2.1 General requirements
        6.2.2 Natural curing
        6.2.3 Accelerated curing
   6.3 Surface finish
   6.4 Electrical insulation
   6.5 Marking
7 Product testing
   7.1 General
   7.2 Mechanical parameters
   7.3 Test on product
   7.4 Test on concrete
   7.5 Tests in combination with the fastening system
   7.6 Additional tests
8 Quality control
Annex A (informative) Test method to determine the
        Taber wear index
      A.1 General
      A.2 Principle
      A.3 Apparatus
      A.4 Preparation of mortar tiles
           A.4.1 Sampling
           A.4.2 Mortar tile preparation
           A.4.3 Mortar tile curing
           A.4.4 Grinding of mortar tiles
      A.5 Test procedures
      A.6 Calculation of Taber wear index
Annex B (informative) Test method for freeze-thaw resistance
Annex C (informative) Test method for measuring the
        water absorption of concrete at atmospheric pressure
      C.1 Introduction
      C.2 Samples
      C.3 Test sequence
      C.4 Results
      C.5 Requirements
Annex D (informative) Gauge used to measure the relative
        twist between rail seats
Annex E (informative) Bending moment calculation
      E.1 Design bending moment calculation
      E.2 Impact coefficients
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other provisions
         of EU Directives
Bibliography

Specifies technical criteria and control procedures which need to be satisfied by the constituent materials and the finished concrete sleepers and bearers, i.e.: precast concrete sleepers, twin-block reinforced sleepers, bearers for switches and crossings, and special elements for railway tracks.