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This paper studies the dynamic response of rigid frame bridge structure under vehicle impact. Taking a continuous rigid frame bridge as the research object, finite element analysis software MSC. Marc is used to model concrete piers and vehicles, and nonlinear finite element simulation technology is used to numerical simulation the collision process of rigid frame bridge substructure under heavy vehicle impact. The damage state of the pier is judged by the distribution of stress and strain of the pier body. The i0mpact force and structural response of the concrete pier under different vehicle weight, impact speed and impact Angle are analyzed. The results show that the numerical simulation in this paper can effectively reflect the dynamic response of bridge piers under vehicle impact loads.

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Vehicle Impact Resistance of Continuous Steel Bridge Piers

  • 会议论文

  • 发表日期：

    2025年

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  • Liang-jin Xu,
  • Zi-rong Wang,
  • Xin Lin,
  • Changjiang Liu

摘要

This paper studies the dynamic response of rigid frame bridge structure under vehicle impact. Taking a continuous rigid frame bridge as the research object, finite element analysis software MSC. Marc is used to model concrete piers and vehicles, and nonlinear finite element simulation technology is used to numerical simulation the collision process of rigid frame bridge substructure under heavy vehicle impact. The damage state of the pier is judged by the distribution of stress and strain of the pier body. The i0mpact force and structural response of the concrete pier under different vehicle weight, impact speed and impact Angle are analyzed. The results show that the numerical simulation in this paper can effectively reflect the dynamic response of bridge piers under vehicle impact loads.