Research On Municipal Road Design Based On BIM Technology

The traditional municipal road design mainly adopts CAD two-dimensional drawing and manual calculation,once the engineering change,the design modification workload is very big,the appearance of BIM technology provides a new direction for solving these problems.This paper proposes a design method of municipal road structure layer based on BIM technology,which is based on Revit Modeling Software and uses Visual Studio as secondary development tool,using C # language to create a three-dimensional model of the secondary development,to achieve the municipal road project to model,size,calculation,calculation books,drawings such design steps of the forward design,to solve many problems in traditional two-dimensional design.The main contents of the thesis are as follows:(1)The establishment of the 3D model of the municipal road parameterization: the component analysis of the municipal road,the establishment of the municipal road parameterization family file by Revit,and the generation of the project file and the profile of the municipal road parameterization model.(2)Programming of municipal road design: redeveloping Revit software with the help of C#,developing the municipal road design tab based on Revit platform and the function of asphalt pavement structural layer design panel,to compile the form program of asphalt pavement structure layer design of municipal road,including the input of basic parameters,calculation and adoption of structure layer thickness,stress analysis and optimization design.By compiling the design form program of asphalt pavement structure layer of municipal road,the interactive data analysis can be visualized,the calculation book can be generated,and the drawings with the main engineering quantity detailed list can be generated.(3)The application of municipal road programmed design engineering: the application of the design program to the XS road project of L city is based on the three-dimensional model of municipal road parameterized,in Revit project,the section design of the structure layer is directly carried out: click on the municipal road design,enter the design of the asphalt pavement structure layer,input the basic size and parameters to calculate the thickness of the structure layer,calculate the stress and check the calculation;By means of visual interaction,stress analysis and scheme comparison are realized,and the structural layer design is optimized on the premise that the calculated structural layer meets the requirements of the code.It is proved that it is feasible to create a parameterized three-dimensional model of municipal road for forward design of municipal road structure layer.