Structural Engineering and Mechanics

  • 제15권1호
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  • Pages.21-38
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  • 2003
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

A new bridge-vehicle system part II: Parametric study

  • 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.)
  • 투고 : 2000.05.22
  • 심사 : 2002.12.06
  • 발행 : 2003.01.25
⟨ 이전 논문 다음 논문 ⟩

초록

The formulation of a new bridge-vehicle system using shell with eccentric beam elements has been introduced in a companion paper (Part I). The new system takes into account of the contribution of the twisting and pitching modes of vehicles to the bridge responses. It can also be used to study the dynamic transverse load distribution of a bridge. This paper presents a parametric study on the impact induced by one vehicle or multi-vehicle running across a bridge using the proposed model. Several parameters were considered as variables including the mass ratio, the speed parameter, the frequency ratio and the axle spacing parameter to investigate their effects on the impact factor. A total number of 189 cases were carried out in this parametric study. Within the realistic range of vehicle considered, the maximum impact factors could be 2.24, 1.78 and 1.49 for bridges with spans 10 m, 20 m and 30 m respectively.

키워드

참고문헌

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피인용 문헌

  1. A new bridge-vehicle system part I: Formulation and validation vol.15, pp.1, 2003, https://doi.org/10.12989/sem.2003.15.1.001
  2. Dynamic Impact Factors for Simply-Supported Bridges Due to Vehicle Braking vol.18, pp.6, 2015, https://doi.org/10.1260/1369-4332.18.6.791
  3. Evaluation of dynamic vehicle axle loads on bridges with different surface conditions vol.323, pp.3-5, 2009, https://doi.org/10.1016/j.jsv.2009.01.051
  4. A new look at the restrictions on the speed and magnitude of train loads for bridge management vol.53, pp.1, 2015, https://doi.org/10.12989/sem.2015.53.1.089
  5. Effects of speed, load and damping on the dynamic response of railway bridges and vehicles vol.86, pp.6, 2008, https://doi.org/10.1016/j.compstruc.2007.05.002
  6. Evaluation of dynamic loads on a skew box girder continuous bridge Part II: Parametric study and dynamic load factor vol.29, pp.6, 2007, https://doi.org/10.1016/j.engstruct.2006.07.013