Abstract
In view of the insufficiency of the current research on special driving, this paper modifies the finite element model based on the static and dynamic measured data, and obtains the benchmark model reflecting the true state of the actual stress state. The influence of braking position and deceleration on key components of arch bridge is studied by establishing the vehicle-bridge coupling model under braking action and choosing three axles to load. The results show that the braking force of vehicle has a great influence on the dynamic response of key parts of arch bridge, and increases with the increase of braking deceleration. At the same time, the influence of vehicle braking force on the arch bridge column is obviously greater than that on the main arch ring.
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