Abstract
The article describes a universal technique for creating digital projects for any road construction equipment equipped with an automated control system (SAU-3D), which includes surveying the repair route with the hardware and software complex (APK) "Profile" and a mobile laser scanner (MLS) "Scanput", data processing of a traditional project for repairs (longitudinal profile, straightening diagram), and adjustment of the digital basis of the existing railway track with design data from traditional projects. When using this technique, the transition to coordinate methods is carried out, linear-angular parameters are excluded due to the use of coordinates. The specifics of creating digital track models and digital projects at Russian Railways have been studied. An assessment of the accuracy of design solutions using SAU-3D and their compliance with regulatory requirements for the reconstruction and repair of railway tracks is given.
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