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Norm

ÖNORM EN 17495

Issue date: 2022 12 01

Railway Applications - Acoustics - Determination of the dynamic stiffness of elastic track components related to noise and vibration - Rail pads and rail fastening assemblies

This document specifies laboratory test procedures to determine a high-frequency dynamic stiffness, “acoustic stiffness”, of resilient components of rail fastening assemb...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 21 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
This document specifies laboratory test procedures to determine a high-frequency dynamic stiffness, “acoustic stiffness”, of resilient components of rail fastening assemblies. This document is applicable to complete rail fastening assemblies and to pad components of fastening systems including both discrete and continuous fastening systems. It is applicable to the measurement of the dynamic transfer stiffness under a prescribed pre-load and the associated hysteretic damping loss factor. It provides measurement methods and pre-load, excitation and frequency range conditions for application to ground borne and structure borne noise as well as for rolling noise. It is not applicable to the measurement of the stiffness of pads and fastening assemblies under static or low-frequency dynamic loading used for track mechanics.
ÖNORM EN 17495
2022 12 01
Railway Applications - Acoustics - Determination of the dynamic stiffness of elastic track component...
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