Research On Bridge Information Cooperative Platform Technology Based On BIM

With the development of information technology in the construction industry,BIM(Building Information Modeling)emerged as the times require,which injected fresh vitality into the whole engineering construction field and gradually became the trend of technology application for the field of construction engineering.At present,the application of BIM technology in bridge industry has the problem of inefficient information sharing and collaborative work,and lacks of technology integration throughout the life cycle,so it is necessary to systematically study the BIM Information Collaborative Unified Platform.Based on BIM concept,this paper focuses on multi-disciplinary,multi-participation,multi-stage collaborative work,develops a web-based bridge information integration platform,and deeply studies relevant theories and key technologies,aiming at realizing the bridge construction life cycle of information integration,sharing and collaborative management.The main contents of the study are as follows:1.The domestic and international research status of BIM application is expounded,the advantages and disadvantages of BIM commercial software are compared and applied,and Bently MicroStation is selected as the basic platform for bridge BIM application.Taking Xialaoxi Arch Bridge as an example,the parametric model of the bridge is established.At the same time,in order to meet the requirement of lightweight display of BIM model in Web platform,the lightweight implementation process of BIM model supported by BIMFACE technology is studied.2.Based on the IFC standard,the definition of bridge BIM data structure is extended,and the information expression of the BIM model is improved through the secondary development of the MicroStation non-geometric attribute expansion function to realize the storage and interaction of BIM information.In order to meet the BIM data structure requirements of platform system development,an EBS coding system based on bridge spatial structure decomposition is proposed,which solves the application problem of platform function based on BIM model.3.This paper introduces the key technologies and theoretical applications of Web system development,such as ASP.NET MVC,Workflow and database.Through the analysis of the system architecture,the system design principles are put forward,and thenthe system framework structure design,functional module design and database design of the platform are realized.4.The overall structure design and implementation principles of the information collaboration platform are proposed.The functions of privilege management,file management,coding management and BIM model management of the platform are tested.Based on the platform,process control and target management with quality,safety,schedule and cost as the core are realized.Finally,the paper analyzes and summarizes the aspects of building a bridge BIM application standardization construction system,which aims to realize the goal of information construction and promote the development of bridge intelligent construction.