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prEN 15594 Public enquiry
Comment end date 2025-04-24
Railway applications - Infrastructure - Restoration of rails by electric arc welding

This document specifies restoration by electric arc welding and is limited to the head of the rails only. This document describes the approval systems for consumables and procedures used in manual metal arc and flux cored metal deposit rail repair welding. This document includes the quality-related tasks and responsibilities of personnel involved in the electric arc repair welding of rails. This document applies to plain rail and switches and crossings manufactured from new Vignole railway rails R200, R220, R260, R260Mn, and R350HT grades rails of 27 kg/m and above as contained in EN 13674-1, EN 13674-2 and EN 13674-4. The permitted welding processes are limited to Electric Arc (EA) in accordance with EN ISO 4063 and are by description Process No 111: SMAW (Shielded Metal Arc Welding) and Process No 114: FCAW (Flux Cored Arc Welding). This document can be applied in situ, at line side or at out of track locations. The flash welded leg ends of austenitic manganese steel crossings are included in this document, except when located within 500 mm of manganese crossings. Where repairs are required within 500 mm, refer to EN 16725.

prEN 16730 Public enquiry
Comment end date 2025-04-07
Railway applications - Track - Concrete sleepers and bearers with under sleeper pads

This European Standard is applicable to concrete sleepers or bearers with Under Sleeper Pads (USP) physically bonded to concrete used in ballast track and define the test procedures and their evaluation criteria. This standard provides particular information in the following areas: - test methods, test arrangements and evaluation criteria of Under Sleeper Pads; - test methods, test arrangements and evaluation criteria of concrete sleepers and bearers with Under Sleeper Pads; - data supplied by the purchaser and by the supplier; - definition of general process of design approval tests; - definition of routine tests. This standard defines the specific test procedures for design approval tests, routine tests and tests concerning the determination of relevant properties of Under Sleeper Pad with or without concrete sleepers and bearers: - fatigue tests; - tests of capability for stacked stocking of concrete sleepers or bearers fitted with USP; - pull-out test; - severe environmental condition test. This standard also sets out procedures for testing fitness for purpose and provides information on quality monitoring as part of quality assurance procedures. This standard does not, however, contain requirements pertaining to the properties of Under Sleeper Pads. It is the responsibility of the purchaser to define these requirements

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