Transformation method and system for roadbed slope model

The invention discloses a conversion method and system for a roadbed slope model. The method comprises the following steps: establishing a terrain digital model through civi 3d; creating a route and longitudinal information; wherein the route and longitudinal section information comprises a route plane line and a longitudinal section; creating a roadbed protection component; generating a roadbed protection model according to the terrain digital model, the route and longitudinal fault information and the roadbed protection component; according to the roadbed protection model, point and line data in the roadbed protection component are imported into the cross section, and corresponding materials and filling are configured; completing a model creation process and generating a corresponding source file and a file path; the method comprises the following steps of: importing a source file into I nfraWorks software to generate an I nfraWorks model; according to the embodiment of the invention, complicated roadbed pr