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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2010  >  10(4): 16-22
ZHANG Hong-liang, YANG Wan-qiao. Evaluation method of pavement roughness based on 5-DOF human-vehicle-road vibration model[J]. Journal of Traffic and Transportation Engineering, 2010, 10(4): 16-22. doi: 10.19818/j.cnki.1671-1637.2010.04.003
Citation: ZHANG Hong-liang, YANG Wan-qiao. Evaluation method of pavement roughness based on 5-DOF human-vehicle-road vibration model[J]. Journal of Traffic and Transportation Engineering, 2010, 10(4): 16-22. doi: 10.19818/j.cnki.1671-1637.2010.04.003
shu

Evaluation method of pavement roughness based on 5-DOF human-vehicle-road vibration model

doi: 10.19818/j.cnki.1671-1637.2010.04.003
  • 1.

    Key Laboratory for Special Area Highway Engineering of Ministry of Education, Xi'an 710064, Shaanxi, China

  • 2.

    Shandong Highway Engineering Construction Group Co., Ltd., Jinan 250102, Shandong, China

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  • Author Bio:

    ZHANG Hong-liang(1974-), male, associate professor, PhD, +86-29-62630056, L29@gl.chd.edu.cn

  • Received Date: 2010-03-30
  • Publish Date: 2010-08-25
    Abstract
  • To evaluate the riding comfort of pavement, human-vehicle-road interaction was analyzed by using transfer matrix method, in which the vertical weighted root-mean-square(RMS)acceleration of passenger was adopted as the evaluation index of pavement roughness, a 5-DOF vibration model was used, and the coupled interaction between vehicle and road was considered.The effects of running speed, rotary inertia of vehicle body, spring constant and damping constant of seat, and spring constant of tire on RMS were discussed, an evaluation method of pavement roughness based on human-vehicle-road interaction was proposed and an example was given.The RMS accelerations of the pavements graded A, B, C and D were 0.381 2, 0.796 3, 1.232 0 and 2.970 6 m·s-2 respectively, and the ratings of riding comfort of the pavements were correspondent with their subjective ratings.Compared with the existing evaluation methods of pavement roughness, the evaluation method considers the impacts of pavement types and vehicle speeds, reflects the impact of rotating of vehicle, and can evaluate the riding comfort of truck.

     

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