BS EN 13481-7:2022 – TC

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Tracked Changes. Railway applications. Track. Performance requirements for fastening systems – Fastening systems for switches and crossings, check rails, insulated rail joints and rail expansion devices

Published By	Publication Date	Number of Pages
BSI	2022	68

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This document is applicable to fastening systems in Categories A – E as specified in EN 13481-1:2012, 3.1 for use in switches and crossings (S&C). It also provides guidance on evaluating fastening systems for check rails, expansion devices and insulated rail joints whether in switches and crossings or in plain line. The document applies to five categories of fastenings used in tracks with respective maximum axle loads and minimum curve radii as shown in Table 1. [Table 1 – Fastening category criteria] NOTE 1 The maximum axle load for Categories A and B does not apply to maintenance vehicles. NOTE 2 The minimum curve radius is not applicable to applications in switches and crossings. The requirements apply to fastening systems for rail sections included in the EN 13674 series of standards (excluding 49E4). This document is not applicable to fastening systems for other rail sections or rigid fastening systems used on running rails. This document is for type approval of complete fastening systems.

PDF Catalog

PDF Pages	PDF Title
1	30463383
41	A-30304252
42	undefined
49	1 Scope 2 Normative references
50	3 Terms and definitions
52	4 Symbols 5 Requirements to be determined by laboratory testing 5.1 Special fastenings for slide baseplates 5.1.1 General 5.1.2 Specimens for laboratory testing 5.1.3 Longitudinal rail restraint
53	5.1.4 Clamping force 5.1.5 Assembly and pad stiffness 5.1.6 Effect of repeated loading 5.1.6.1 General 5.1.6.2 Test loads
54	5.1.6.3 Evaluation of test performance 5.1.7 Electrical resistance of fastening system and bearer
55	5.1.8 Effect of exposure to severe environmental conditions 5.1.9 Cast-in and glued-in fastening components 5.2 Check rail supports 5.2.1 General 5.2.2 Specimens for laboratory testing
56	5.2.3 Longitudinal rail restraint 5.2.4 Clamping force 5.2.5 Assembly and pad stiffness 5.2.6 Effect of repeated loading 5.2.6.1 General 5.2.6.2 Test loads
58	5.2.6.3 Evaluation of test performance 5.2.7 Electrical resistance of fastening system and bearer 5.2.8 Effect of exposure to severe environmental conditions 5.2.9 Cast-in and glued-in fastening components
59	6 Laboratory testing for related applications 7 Other requirements 7.1 Effect of fastening system tolerances on track gauge 7.2 In-service testing
60	7.3 Attenuation of noise and vibration 8 Fitness for purpose 9 Marking, labelling and packaging
61	Annex A (informative)Summary of requirements
62	Annex B (informative)Assessment by calculation or supplementary testing B.1 General B.2 Identification of a Reference Configuration B.3 Modified fastening systems B.3.1 General B.3.2 Effect of changing the length or thickness of a baseplate
63	B.3.3 Effect of changing the clip or clamp contact geometry B.3.4 Effect of changing the size or configuration of resilient pads B.3.5 Effect of changing the position or design of anchor bolts or screwspikes B.4 Special loading cases B.4.1 General
64	B.4.2 Severe vertical forces B.4.3 Severe lateral forces
65	Annex C (informative)Fastenings for related applications C.1 Fastenings for closure rails C.2 Fastenings in the crossing panel and at switch heels
66	C.3 Fastening systems for rail expansion devices and insulated rail joints