ISO 22074-3:2021

International Standard   Current Edition · Approved on 15 March 2021

Railway infrastructure — Rail fastening systems — Part 3: Proof load test method for pull-out resistance

ISO 22074-3:2021 Files

English 5 Pages
Current Edition
18.1 OMR

ISO 22074-3:2021 Scope

This document specifies a test procedure to confirm that the force necessary to pull the anchorage of a rail fastening assembly out of the sleeper or other supporting element is greater than a prescribed value (i.e. it is a "proof load" test).

This test is for components of the fastening system which are:

a) cast into concrete during the manufacture of sleepers or other supporting elements;

b) glued into the cast or drilled holes in concrete; or

c) screwed or otherwise attached to wood, polymeric composite or steel sleepers or other supporting elements.

This test is not applicable to embedded rails.

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