Abstract：Research purposes：Recently,software,hardware and IT level are highly developed,which make it possible for the wide application of BIM in the engineering construction.Based on the respective characteristics of BIM and railway systems,and the present application of BIM in rails,the possible application areas of BIM in the while life cycle of railway aye expounded firstly.And then the application risk and countermeasures of BIM in railway systems are analyzed from five aspects policy,economy,technology,human resources and management,which would provide a reference for the application of BIM,the construction of information-base railway,and the establishment of related standards.
Research conclusions：(1)The advent of BIM technology provides new drivers for improvement of the production and management efficiency,and can be applied to railway planning,design,construction and operation.It helps to improve project quality and reduce construction costs. (2)Many risks are obvious,such as imperfect policy,indistinctive benefits,inadequate core—technology,shortage of human resources,and uncertain management system,SO that BIM’s application has mainly focused on three—dimensional modeling,and hasn’t yet completed the application of whole life cycle.Relative technology,standards,policy,management,etc.,require further improvement.
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2014, Vol. 31 
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