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http://dx.doi.org/10.5050/KSNVE.2013.23.2.123

Reduction of Vibration Responses of a Bridge due to Vehicles  

Lee, Gun-Myung (Engineering Research Institute, Gyeongsang National University)
Ju, Young-Ho (Doosan Heavy Industries and Construction)
Park, Mun-Soo (Jinju Campus, Korea Polytechnic VII College)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.23, no.2, 2013 , pp. 123-130 More about this Journal
Abstract
The responses of a bridge due to a moving vehicle are obtained analytically by modeling a vehicle as a constant point force. From the results it is found that the responses after a vehicle leaves the bridge become very small for some speeds of a vehicle. When a vehicle is modeled as a two dof system for a more accurate analysis, the same phenomenon is observed while the roughness of the surface of the bridge is small. Determining the fundamental frequency of a bridge so that one of the above speeds coincides with a frequent speed of vehicles, the responses of a bridge can be minimized.
Keywords
Bridge; Vibration; Vehicle; Moving Load; Beam; Finite Element Method;
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