Abstract
<p>In order to adapt to the development trend of informatization and intelligence of railway bridge operation and maintenance management, the integration of BIM Technology and large-span railway steel bridge operation and maintenance business becomes more and more urgent. Taking one special railway steel bridge as an example, the division levels of bridge structural parts, structural elements and specific components were defined, and the refined BIM model of bridge was established based on the demand of operation and maintenance. The knowledge base systems of component, defect, inspection and maintenance in bridge was formed. The three terminal BIM management system was developed, and the closed-loop management process of bridge inspection, maintenance and repair based on the BIM model was established. At the same time, the monitoring information could be integrated, which can provide the basis for the formation of bridge digital twins. The research results provide a firmly support for data-driven comprehensive evaluation and conditional maintenance of railway steel bridges.</p>
Published Version
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