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ISO 22074-7:2021

Railway infrastructure — Rail fastening systems — Part 7: Test method for clamping force and uplift stiffness

Aug 12, 2021

General information

60.60     Aug 12, 2021

ISO

ISO/TC 269/SC 1

International Standard

45.080  

English   French  

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Scope

This document specifies the laboratory test procedure for determining the clamping force exerted by the fastening system on the foot of the rail by measuring the force to separate the rail foot from its immediate support. When required, the procedure is also used to determine the uplift stiffness of the fastening system.
It is applicable to systems with and without baseplates on all types of sleepers, bearers or elements of ballastless track. The test does not determine the security of the fastening components fixed into the sleeper or other fastening system support.
This test procedure applies to a complete fastening assembly. It is not applicable to fastening systems for embedded rail or other fastening systems which do not act on the foot of the rail.

Life cycle

NOW

PUBLISHED
ISO 22074-7:2021
60.60 Standard published
Aug 12, 2021

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