DIN EN ISO 22074-7:2024-07
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
| Fecha edición: |
2024-07-01
En Vigor
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| Idiomas disponibles: | Inglés, Alemán |
| Resumen: | 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. |
| Keywords: | Axle load|Clamping power|Classification|Concrete blocks|Curves (geometry)|Determination|Fastening parts|Infrastructure|Interaction|Laboratory testing|Pads|Radius|Rail fastening systems|Rails|Railway applications|Railway construction|Railway rails|Railway track|Railways|Resilience|Sleepers|Stiffness|Surface soundness|Test equipment|Test pieces|Testing|Track geometry|Uplift resistance |
| ICS: | 45.080 - Carriles y equipos de vía |
| CTN: | |
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Equivalencia Internacional |
Idéntica EN ISO 22074-7:2024 Idéntica ISO 22074-7:2021 |
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Reemplazo Normas |
Reemplaza a DIN EN ISO 22074-7:2024-01 |
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