Structural Engineering and Mechanics

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A new bridge-vehicle system part I: Formulation and validation

  • Chan, Tommy H.T. (Department of Civil and Structural Engineering, The Hong Kong Polytechnic University) ;
  • Yu, Ling (Blasting and Vibration Research Department, Yangtze River Scientific Research Institute) ;
  • Yung, T.H. (T.Y. Lin, Hong Kong, Consulting Engineers Ltd.) ;
  • Chan, Jeffrey H.F. (Wong and Ouyang (Civil & Structural Engineering) Ltd.)
  • Received : 2000.05.22
  • Accepted : 2002.12.06
  • Published : 2003.01.25
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Abstract

This paper presents the formulation of a new bridge-vehicle system with validation using the field data. Both pitching and twisting modes of the vehicle are considered in the contribution of the dynamic effects in the bridge responses. A heavy vehicle was hired as a control vehicle with known axle weight, axle spacing and spring coefficients. The measured responses were generated from the control vehicle running at a particular speed at a test span at Ma Tau Wai Flyover. The measured responses were acquired using strain gauges installed beneath the girder beams of the test bridge. The simulated responses were generated using BRVEAN that is a self-developed program based on the proposed bridge-vehicle system. The validation shows that the bridge model is valid for representing the test bridge and the governing equations are valid for representing the motion of moving vehicles.

Keywords

References

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