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KMID : 0382420020280020001
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Korean Journal of Environmental Health Society
2002 Volume.28 No. 2 p.1 ~ p.9
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A Study on Environmental Vibration generated from Machines
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Park Joon-Cheol
Hwang Kyung-Chul
Yu Seung-Do
Kim Joung-Dae
Choi Joon-Gyu
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Abstract
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This study was performed to investigate vibration generated from machines that were used at factories and construction works. Vibrations were measured at three points in a straight line based on distance from the vibration sources. and analyzed to assess the vibration levels. The average vibration level of factory machines was 65.4dIBV at 2m. and that of construction machines was 74.0dBV at 5m. Vibration attenuations was 4.0-8.2dBV by double distance. All such data were applied to gain coefficients of attenuation equations for predicting vibration level by distance from the vibration sources. Data recorded on tapes were analyzed to understand the characteristics of frequency because these characteristics are important factors to design a plan for installing the vibration-proof devices.
Finally. considering results from these analysis. assessment. and prediction. the methods for reducing vibration generated from machines were discussed.
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