Study on Mechanical Response and Structural Combination Design of Steel Bridge Deck Pavement Based on Multi-Scale Finite Element Simulation.

This project evaluates how steel bridge deck pavements respond to traffic loads and offers practical help for implementing the findings. It uses multi‑scale finite‑element simulations to look at the stress‑strain behavior where the steel plate meets the pavement layers under realistic traffic conditions. The approach builds a model that connects the overall (macro) response of the bridge deck with the localized (micro) stress concentrations inside the pavement materials. Systematic numerical tests examine how different design combinations, material choices, and environmental factors affect fatigue life, resistance to rutting, and the chance of delamination. The results give clear guidance on choosing pavement thickness, materials, and bonding‑layer properties to reduce common problems in

orthotropic steel decks. The analysis framework provides a solid research path for civil‑engineering graduate students who want to create long‑lasting pavement systems. By comparing several structural configurations, the study supplies documentation and design recommendations that improve the long‑term performance and structural integrity of steel‑concrete composite bridge decks under heavy axle loads.

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