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Abstract Abstract ：Research purposes ： As focusing on different application scopes，BIM and GIS， employing 3D information model as research object，show their respective advantages in various aspects，such as detail and scale. Unfortunately， it has limitation to prompt railway information deployment using BIM1 or GIS independently. This paper makes the
researches on fusion technology of BIM and GIS applied in railway information deployment.
Research conclusions ： This paper introduces the exploration for railway information employment from two perspectives ： research and application. ( 1) An investigation is proposed on semantic expansion scheme of railway engineering element which lays a foundation to exchange semantic info between BIM and GIS. (2) The scenaro is proposed to integrate BIM1 model on GIS platform with data format transformation method as the core. Sequentially，from three aspects including
Geometer，semantic and property，the validation is made to illustrate the practicability of applying this fusion technology. (3 ) The research results have always been applied in several BIM deigning projects for railway engineering such as
Harbin railway station reconstructed project and Hangzhou South railway station new project. It indicates that the data
Sharing capability of large station models is much more reinforced，the integration and management level of GIS platform
employing BIM design models are also improved.
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Received: 27 June 2016
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2016, Vol. 33 
