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<p>The purpose of the present study is to develop an assessment approach of impact load that can consider the effect of ship bows types and impact angle. The impact procedures between various types of ships and bridge are simulated by using FE ((finite element) analysis. The influence of bridge pier stiffness, bow shapes and impact angle on the impact force are discussed. The numerical results of impact load are compared with that of the existing specifications. The various impact responses of peak force, deformation of vessel bow and impact duration are compared with that of the existing specifications. The impact force of ship having the same displacement tonnage bows are very different for various types bows. The empirical formulae for predicting vessel impact forces with considering the influence of impact angle and vessel types are developed.</p>

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Empirical Formula Development for Impact Force Assessment of Bridge Under Ship Collision Considering Bow Shape and Impact Angle

  • 期刊论文

  • 发表日期：

    2025年9月18日

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  • En Shi Jia,
  • Tao Wang,
  • Ming Cai Xu,
  • Jin Pan,
  • Hai Fang

摘要

The purpose of the present study is to develop an assessment approach of impact load that can consider the effect of ship bows types and impact angle. The impact procedures between various types of ships and bridge are simulated by using FE ((finite element) analysis. The influence of bridge pier stiffness, bow shapes and impact angle on the impact force are discussed. The numerical results of impact load are compared with that of the existing specifications. The various impact responses of peak force, deformation of vessel bow and impact duration are compared with that of the existing specifications. The impact force of ship having the same displacement tonnage bows are very different for various types bows. The empirical formulae for predicting vessel impact forces with considering the influence of impact angle and vessel types are developed.