Abstract：Research purposes: Significant progress has been made in the digital modeling technology of railway, but the ecosystem of digital design and delivery of railway has not yet formed. Railway engineering including many domains, the existing BIM software has low integration efficiency for large-scale and multi-disciplinary models, and it is not easy to exchange data with other software. Therefore, it is urgent to research on the integrated digital delivery technology. Research conclusions: (1) GIS can support large scene and multi-source data. Based on this, the integration of BIM and GIS was implemented and an integration system was developed using B/S mode reducing the hardware requirements for end users. (2) The system can visualize BIM design results from an overall perspective to realize integrated digital delivery combining micro and macro, and effectively solve the problem of railway engineering information transfer. (3) The system was used to integrate, check and optimize the design of Guangzhou-Zhanjiang high speed railway with 22 issues being found and the quality was improved.
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2022, Vol. 39 
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