Bridge equivalent vehicle load model construction method and system based on fatigue cumulative damage

Abstract

The embodiment of the present application relates to the technical field of bridge safety, and specifically discloses a bridge equivalent vehicle load model construction method and system based on fatigue cumulative damage. The embodiment of the present application acquires vehicle load data by performing bridge traffic monitoring; performs distribution law analysis and probability fitting to generate a probability function model; constructs a fatigue vehicle load model; simplifies the model into an equivalent fatigue damage model; performs model verification and optimization adjustment on the equivalent fatigue damage model to generate an optimized fatigue damage model; and performs multi-scenario application deployment. Load monitoring, analysis and probability fitting can be performed to generate a probability function model, fatigue damage evaluation and model simplification are then performed to construct an equivalent fatigue damage model, model verification and optimization adjustment are then performed to generate an optimized fatigue damage model, and multi-scenario application deployment is then performed, so that the bridge safety reserve is more in line with actual conditions, and the accuracy of bridge safety evaluation is improved through the cumulative effect of fatigue damage.