Track roadbed structure

The invention relates to the technical field of tracks, and in particular relates to a track roadbed structure. The track roadbed structure comprises a plurality of roadbed units and a plurality of connecting units; the roadbed units are sequentially arranged in the laying direction of the track, and any two adjacent roadbed units are connected through the connecting unit; each roadbed unit comprises a base platform, a base column, a first bearing platform, two second bearing platforms, two third bearing platforms, a plurality of connecting assemblies and a plurality of adjusting assemblies; the first bearing platforms, the second bearing platforms and the third bearing platforms all extend in the laying direction of the track; the base platforms are paved on a road surface, a plurality of base holes matching the base columns are formed in the base platforms, parts of the base columns are inserted into the ground, and the rest parts of the base columns match the base holes. According to the track roadbed stru