DIN Standards Committee Railway
Railway infrastructure - Rail fastening systems - Part 7: Test method for clamping force and uplift stiffness (ISO 22074-7:2021); German version EN ISO 22074-7:2024
Abstract
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.
Begin
2023-07-20
WI
00256A3Y
Planned document number
DIN EN ISO 22074-7
Project number
08701632
Responsible national committee
NA 087-00-01-04 UA - Fastening systems
Responsible european committee
CEN/TC 256/SC 1/WG 17 - Fastening systems
Responsible international committee
ISO/TC 269/SC 1/WG 7 - Fastening systems
draft standard
Railway infrastructure - Rail fastening systems - Part 7: Test method for clamping force and uplift stiffness (ISO 22074-7:2021); German and English version prEN ISO 22074-7:2023
2024-01
Order from DIN Media
