| BIM(Building Information Modeling),as one of the most popular technology of engineering in recent years,draws much attention from engineers and researchers.However,the application and research about BIM' uses in bridge field is at the stage of exploration.Nielsen style arch bridge,with inclined suspenders,has complex structure design.The reasonable construction scheme is important in construction.This paper conducts research on BIM uses in bridge construction,which is on the basis of ribs and suspenders construction of 128 m Nielsen style arch bridge.The main content is as follows:1)First of all,this paper researches the development background,current research status of BIM.Concept,connotation,features implementation method and the difference with CAD is mentioned and explained.The current development status of BIM and some of the main obstacles is summarized.2)Aimed at the existing problem in current bridge construction which caused by the complex structure,construction environment and rough management model.This paper researches application of BIM in construction technology and management model in bridge construction.Through these researches and analysis,BIM technology can effectively improve the bridge engineering construction technology and management level,improve the construction efficiency,solves the problems in current bridge construction.3)On the purpose of building BIM model of Nielsen arch bridge,Autodesk Revit and Bentley are tried out,and Bentley is finally chosen to build the model.Then model of bridge,bracket for construction of ribs and field.4)Based on the model built by Bentley,design of construction scheme,construction field simulation,4D construction scheduling and digital construction are researched in ribs and suspenders construction of Nielsen style arch bridge.Application of BIM technology in bridge construction is achieved.The research results will be helpful to other similar bridge projects,and can be used as reference for other researches and application. |
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