Natural frequencies of a railroad track
Natural frequencies of a railroad track
- New search for: Patil, S.P.
- New search for: Patil, S.P.
The natural frequency of an infinite railroad track was first determined by Timoshenko as omegaR = k/m0,5, where k is the constant for the massless Winkler foundation and m is the mass per unit length of the rail. The natural frequencies of the track are determined here by modeling the track as a beam resting on a 3-D inertial elastic layer. It is shown that the mass of the supporting foundation has a significant effect on the natural frequencies of a railroad track. Finally, the concept of 'added mass' is introduced in order to determine the natural frequency in a desired mode of vibration, by modeling the track as a beam on the massless Winkler foundation and adding the mass of the foundation to the beam.
Document information
Natural frequencies of a railroad track
Eigenfrequenzen einer Eisenbahnschiene
ASME-Papers ; Jun ; 1-6
1987
6 Seiten, 3 Bilder, 8 Quellen
Conference paper
English
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