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Article Navigation >  Journal of Traffic and Transportation Engineering  > 2008  >  8(4): 110-115
LEI Zheng-bao, HOU Shi-jing, ZHOU Zhi-gang, YU Jin-xiu, PENG Zuo. Optimal structure parameters of interrupted type straight-road concrete barrier with given length concrete frusta[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 110-115.
Citation: LEI Zheng-bao, HOU Shi-jing, ZHOU Zhi-gang, YU Jin-xiu, PENG Zuo. Optimal structure parameters of interrupted type straight-road concrete barrier with given length concrete frusta[J]. Journal of Traffic and Transportation Engineering, 2008, 8(4): 110-115.
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Optimal structure parameters of interrupted type straight-road concrete barrier with given length concrete frusta

  • 1.

    School of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410076, Hunan, China

  • 2.

    Key Laboratory for Highway Engineering of Ministry of Education, Changsha University of Science and Technology, Changsha 410076, Hunan, China

  • 3.

    Engineering Research Center of Road Disaster Prevention and Transportation Safety of Ministry of Education, Changsha University of Science and Technology, Changsha 410076, Hunan, China

  • 4.

    Hunan Province Highway Bureau, Changsha 410011, Hunan, China

More Information
  • Author Bio:

    LEI Zheng-bao(1964-), male, profesor, doctoral tutor, PhD, +86-731-2309621, leizhengbao@csust.edu.cn

  • Received Date: 2008-02-18
  • Publish Date: 2008-08-25
    Abstract
  • In order to obtain the optimal structure parameters of interrupted type straight-road concrete barrier with given length concrete frusta, the orthogonal experimental design method was used, 5 section parameters of the barrier were taken as design variables, each design variable had 5 levels, based on vehicle-barrier collision system dynamics model and LS-DYNA software, vehicle-barrier collision simulation test with 25 group section parameter combinations was carried, and the influence of section parameter combinations on vehicle collision was studied.Simulation result shows that the barriers with 2 group section parameter combinations meet the collision requests that tire and barrier are intact, the head injury criterion is less than 1 000, the barrier has a strong energy-absorption capacity, and can guide the vehicle out of control to the right direetion as long as its design parameters are reasonable, so it has good characteristics for engineering application.

     

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    • References(11)
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