Automation in Dynamic Analysis and Generative Design of Prestressed Concrete Railway Bridges

A comprehensive database of over 6 million data points was created, including displacement and acceleration data for more than 10,000 bridges affected by ten HSLM-A models at speeds ranging from 100 to 400 km/h.
A novel surrogate model, derived from this database, significantly streamlines the dynamic analysis of single-span high-speed railway bridges.
A key contribution of this research is the development of an innovative framework for optimizing the cross-sectional geometry of prestressed concrete railway bridges. This framework integrates the surrogate model with a generative design process to minimize mass per unit length while complying with Eurocode acceleration limits.
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