Research Of Traffic Civil Engineering Design Modeling Based On The BIM

As a systematic innovation in the civil engineering industry,BIM has been applied far beyond the scope of technology.At present,the application of BIM technology in transportation and civil engineering construction projects has been involved in many fields such as pre-project planning,project design,project construction,project cost and project schedule management.The participants of BIM application include:The project owner,the designer,the construction party and the supervision consultant.BIM technology can greatly reduce the construction cost of the project,compression construction period,and improve its quality and sustainability.During the decision-making period of the project,BIM application can provide information.In the specific implementation stage,with the continuous progress of project construction,relevant input and output information of BIM application will be more comprehensive and effective.In other words,it is a progressive refinement process.At this stage,there is no consensus on the definition of BIM components(model units),but most people prefer the description made in the mechanical field:it is not only an indispensable entity composition(transformable)within the BIM model,but also a basic unit,which has scalability based on core parameters and cannot replace functionality,reusability under various conditions,covering relevant attribute information,meeting the interface specifications of the BIM model,and can be assembled with other components to build the required information model through various components.Transportation civil engineering BIM software is the basis of further refinement design modeling,this paper mainly introduces the use of relevant BIM software Autodesk company,focused on hongye(Roadleader)fine control software,the software is designed by hongye company,one of newly developed series of BIM software,It aims at providing a complete set of intelligent,automatic and three-dimensional solutions for traffic civil engineering designers.This software covers all aspects of traffic civil engineering,and can effectively assist designers in terrain processing,graphic design,longitudinal design,transverse design,slope design,intersection design,interchange design,earthwork calculation,statistical table,three-dimensional roaming and rendering drawing production.Finally,the BIM design model is used to realize the coordinated design of relevant professional staff,Value added for construction projects.This article mainly analyzes and studies the application of BIM engineering technology in road engineering design,establishes a three-dimensional digital terrain analysis model,and establishes a new three-dimensional route vertical and transverse design method.Based on the visualization technology,The three-dimensional structure model of the road is established and the detailed analysis of the road model is carried out by building structural units,and the detailed analysis of the road model is carried out through the establishment of structural units.Through the Shache Airport Road Engineering Project by using the BIM software platform,the project design modeling was carried out.Finally,the application of the project was feedback,and the next step is to optimize the BIM model more consistent with the application of traffic civil engineering.