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ISO 22074-2:2021

Railway infrastructure — Rail fastening systems — Part 2: Test method for longitudinal rail restraint ISO 22074-2:2021

Publication date:   Mar 15, 2021

General information

60.60 Standard published   Mar 15, 2021

ISO

ISO/TC 269/SC 1 Infrastructure

International Standard

45.080   Rails and railway components

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Scope

This document specifies the laboratory test procedure to determine:
a) the maximum longitudinal force that can be applied to a rail, secured to a sleeper, bearer or element of ballastless track by a rail fastening assembly, without non-elastic displacement of the rail occurring, or the longitudinal stiffness at a specified longitudinal displacement of a specimen of embedded rail with an adhesive fastening system, and for any type of fastening;
b) the shear displacement and slip data required for track-bridge interaction calculations.

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PUBLISHED
ISO 22074-2:2021
60.60 Standard published
Mar 15, 2021