NEN EN 13230-3 : 2016

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Product testing
   4.1 Test arrangements
        4.1.1 Symbols
        4.1.2 Rail seat section
   4.2 Test procedures
        4.2.1 Test loads
        4.2.2 Static test
        4.2.3 Dynamic test
   4.3 Acceptance criteria
        4.3.1 Static test
        4.3.2 Dynamic test
        4.3.3 Value of coefficients
   4.4 Design approval tests
        4.4.1 Bending moment evaluation
        4.4.2 Concrete
        4.4.3 Product inspection
        4.4.4 Fastening system
   4.5 Routine tests
        4.5.1 Static rail seat positive load test
        4.5.2 Concrete
5 Steel connecting bar
   5.1 General
   5.2 Steel
        5.2.1 Chemical composition
        5.2.2 Mechanical properties
   5.3 Geometry
   5.4 Appearance of the steel connecting bar
6 Design criteria for incorporating the steel connecting bar
   6.1 Length of the connecting bar
   6.2 Orientation of the connecting bar
   6.3 Position of the connecting bar
7 Manufacturing
   7.1 Manufacturing rules
   7.2 Other manufacturing rules
Annex A (normative) Steel connecting bar defects
        A.1 Surface burn
        A.2 Tear at the end
        A.3 Unclean cut
        A.4 Seam
        A.5 Split
        A.6 Deformation of ends
        A.7 Scale
Annex B (normative) Details of the test arrangement
        components
        B.1 Articulated support
        B.2 Resilient pad
        B.3 Tapered packing
Bibliography

Specifies technical criteria and control procedures for manufacturing and testing twin-block reinforced concrete sleepers.