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CHAO Wan-li, LI Xu-mei, WANG Xing-hua. Impact response analysis of heavy vehicle passing bridge-tunnel section[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 22-28. doi: 10.19818/j.cnki.1671-1637.2013.04.004
Citation: CHAO Wan-li, LI Xu-mei, WANG Xing-hua. Impact response analysis of heavy vehicle passing bridge-tunnel section[J]. Journal of Traffic and Transportation Engineering, 2013, 13(4): 22-28. doi: 10.19818/j.cnki.1671-1637.2013.04.004
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Impact response analysis of heavy vehicle passing bridge-tunnel section

doi: 10.19818/j.cnki.1671-1637.2013.04.004
  • 1.

    School of Civil Engineering, Central South University, Changsha 410075, Hunan, China

  • 2.

    Hunan Communications Research Institute, Changsha 410075, Hunan, China

  • 3.

    School of Road and Bridge Engineering, Xinjiang Vocational and Technical College of Communications, Urumqi 831401, Xinjiang, China

More Information
  • Author Bio:

    CHAO Wan-li(1978-), male, senior engineer, doctoral student, +86-731-85118513, 33cwl@163.com

    WANG Xing-hua(1957-), male, professor, PhD, +86-731-82655489, xhwang@mail.csu.edu.cn

  • Received Date: 2013-02-18
  • Publish Date: 2013-08-25
    Abstract
  • The rotation and overturn of vehicle in longitudinal direction were considered, and the process of heavy vehicle passing bridge-tunnel section was regarded as forced oscillation under certain initial condition.Based on D'Alembert principle, the calculating model of vehicle-road dynamic coupling was built, and vibration equation was given.The impact response of vehicle was analyzed by using Laplace transform, the change law of maximum impact force of vehicle on road was got.The influences of vehicle load, goods position, vehicle speed, difference settlement on vehicle impact response were researched.The test acceleration value was obtained, and the calculated result of acceleration was verified.Analysis result shows that this impact forces between vehicle and road increase with the increases of difference settlement, vehicle speed and load, the influences from big to small in order are vehicle load, difference settlement, vehicle speed.The goods position has little influence on vehicle impact force.

     

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