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作者:

Sun, Yu-Juan (Sun, Yu-Juan.) | Rong, Jian (Rong, Jian.) (学者:荣建) | Sun, Xiao-Duan (Sun, Xiao-Duan.) | Tai, Yong-Gang (Tai, Yong-Gang.)

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EI Scopus

摘要:

To improve the guardrail safety on rural highways of China, a new hybrid guardrail comprised concrete and box girder was proposed, and the crashworthiness of the hybrid barrier was analyzed using finite element method. Firstly, the finite element models of bus and barrier were developed and validated by using collision test results. In addition, the explicit dynamic finite element software LS-DYNA was used to simulate the collision between vehicle and the guardrail considering materials as well as the nonlinear performance of the boundary conditions. The computational results show that the hybrid barrier could effectively block and redirect the bus in the collision. Meanwhile, the maximum lateral deformation of the guardrail is well below the safety limit. The method could be applied to design and evaluate new road safety protection facilities on rural highways. © Copyright.

关键词:

Accident prevention Box girder bridges Composite beams and girders Concrete beams and girders Crashworthiness Finite element method Guard rails Motor transportation Rural roads

作者机构:

  • [ 1 ] [Sun, Yu-Juan]Transportation Research Center, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Rong, Jian]Transportation Research Center, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Sun, Xiao-Duan]Transportation Research Center, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Tai, Yong-Gang]Beijing AMRD Traffic Technology Co., Ltd., Beijing 100043, China

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来源 :

Journal of Beijing Institute of Technology (English Edition)

ISSN: 1004-0579

年份: 2011

期: SUPPL.1

卷: 20

页码: 199-204

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