Research on the application of BIM technology of large-span arch bridge in mountainous areas
In order to ensure the construction quality of large-span steel pipe concrete arch bridge in mountainous areas and realize the integrated construction technology from design to component manufacturing and construction of arch bridge in mountainous areas,based on Baishui River special bridge,BIM technology is used to carry out the parametric design of large-span steel pipe concrete arch bridge,change the traditional two-dimensional design mode and mold turning mode through BIM forward design,and output the construction drawings directly through the three-dimensional model;transfer the BIM model to the steel structure manufacturing and construction stage,and open up all links from design,deep processing drawings to factory component processing.Transmit the BIM model to the steel structure manufacturing and construction stage,and open up the links from design,deep processing drawings to the processing of factory components.It has explored and innovated the digital development of the project in the field of special bridges.Compared with the traditional two-dimensional design mode,the BIM forward design drawings have reduced 80%of the later adjustments in the same type of bridges and effectively reduced the generation of processing wastes;it has shortened the design and construction cycle while improving the design and construction quality of mountainous large-span arch bridges and has provided reference to the construction of the same type of bridges.
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