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ANALYSIS OF DYNAMICS INTERACTION ABOUT TRAIN CURVING BRIDGE ON SMALL RADIUS AND REVERSE CURVE

SONG Yu-min, WU Ding-jun, HOU Yong-jiao   

  1. Department of Bridge Engineering, Tongji University, Shanghai 200092, China
  • Received:2011-03-31 Revised:2012-01-08 Online:2012-06-25 Published:2012-06-25

Abstract: In this paper,a certain new railway curved-bridge on a small radius curve and a reverse curve was taken for the case, and the motion equation of vehicle curving and three-dimensional space bridges were established on considering the characteristics of vehicle curving and nonlinear creep theory of a wheel-rail interaction. The motion equations were solved by a modal superposition method. The numerical analysis of the new curved bridge dynamic responses was solved by a professional program called VBC2.0, and some laws of vehicle-curved bridge coupling vibrations were summarized, and reasonable speed and other suggestions for vehicle curving this special bridge were proposed.

Key words: bridge engineering, vibration of vehicle and bridge, dynamic interaction, curved bridge, reverse curve, small radius curve, law of vibration

CLC Number: 

  • U441.2
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