Measurement of the dynamic stiffness of recycled rubber based railway track mats according to the DB-TL 918.071 standard

Measurements of dynamic stiffness were performed on three samples of material (based on recycled rubber) used as a mat for railway track applications. Measurements were performed at three static pre-loads, 0.03, 0.06 and 0.1 MPa, in the frequency range 10–100 Hz. A steady increase in dynamic stiffne...

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Bibliographic Details
Published in:Applied acoustics 2001-09, Vol.62 (9), p.1123-1128
Main Authors: Lapčı́k, L, Augustin, P, Pı́štěk, A, Bujnoch, L
Format: Article
Language:English
Subjects:
Acoustical measurements and instrumentation
Acoustics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
German standard DB-TL 918.071
Particulate composite
Physics
Recycled rubber
Vibration damping
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Summary:Measurements of dynamic stiffness were performed on three samples of material (based on recycled rubber) used as a mat for railway track applications. Measurements were performed at three static pre-loads, 0.03, 0.06 and 0.1 MPa, in the frequency range 10–100 Hz. A steady increase in dynamic stiffness with increasing frequency was observed in the samples studied, ranging from 0.1 to 0.23 Nmm −3. At the same time, the measured dynamic stiffness shifted to higher absolute values with increasing static pre-load.
ISSN:0003-682X
1872-910X
DOI:10.1016/S0003-682X(00)00098-0