The acoustic environment, as well as the length and speed of the train, determine noise and vibration levels. The average intensity of the noise (assessing by SEL) varies from 83.9 to 104.1 dB/A: the highest intensity accompanies the passing of express (average 95.32 dB/A); the lowest intensity is measured during the passing of EMU (average 89.24 dB/A). Vibrations of the highest intensity are measured during the passing through free fields (0.750 mm.sec-1). Regardless of the bridge type, the level of vibrations varies between 0.032 - 0.067 mm.sec-1.
Measurement and analysis of railway noise and vibration
Noise & Vibration Worldwide ; 31 , 5 ; 8-12
2000
5 Seiten, 8 Quellen
Article (Journal)
English
Measurement and analysis of railway noise and vibration
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