BS EN 13481-5:2012+A1:2017

This European Standard is applicable to fastening systems in Categories A-D as specified in EN13481‑1:2012 , 3.1, for attaching rails to the uppermost surface of concrete or asphalt slabs and for embedded rails in non-ballasted tracks with maximum axle loads and minimum curve radii in accordance with Table1. Table1 Fastening category criteria Category Maximum design axle load Minimum curve radius kN m A 130 40 B 180 80 C 260 150 D 260 400 NOTE The maximum axle load for Categories A and B does not apply to maintenance vehicles. The requirements apply to: fastening systems which act on the foot and/or web of the rail including direct fastening systems and indirect fastening systems; adhesive and mechanical fastening systems for embedded rail, but excluding rail cast into road pavements. In track forms in which there are resiliently supported concrete elements with only one supporting element per rail (e.g. rail seat blocks or sleepers mounted in elastomeric “boots??) the concrete element and its resilient support are considered to be parts of the elastic fastening system. If the track form includes resiliently supported concrete elements with more than one supporting element per rail (e.g. floating slabs) those concrete elements and their resilient supports are considered to be parts of the slab and not of the fastening system. This standard is only applicable to fastening systems for rail sections in EN13674‑1 (excluding 49E4) or EN13674‑4 . It is not applicable to fastening systems for other rail sections, rigid fastening systems or special fastening systems used at bolted joints or glued joints. This standard should only be used for type approval of complete fastening systems.