Study on Damage Behavior of Concrete Bridge Structure Under Ship Impact
In order to explore the damage behavior of concrete bridge structure under ship impact,a finite element model was established based on a continuous beam bridge.The dynamic behavior of the collision between the ship and the bridge pier,as well as the impact response and damage mode under different speeds,concrete grades and reinforcement ratios were simulated and analyzed.The results show that the ship speed and concrete strength grade are important factors affecting the maximum impact force and structural displacement.The impact force increases linearly with the increase of concrete strength,while the structural displacement is closely related to the reinforcement ratio and speed.It provides a scientific basis for risk assessment and anti-collision design in ship collision bridge events.