Soft foundation section protection structure of highway subgrade

The utility model relates to the technical field of roadbeds, and discloses a soft foundation section protection structure of a highway roadbed, which comprises a pavement, a concrete pouring layer and a roadbed, the concrete pouring layer is arranged at the bottom of the pavement, and the two sides of the concrete pouring layer are of inclined plane structures. The concrete pouring layer is filled and distributed with transverse reinforcing bars and longitudinal reinforcing bars, the longitudinal reinforcing bars are distributed at the bottom of the roadbed, the roadbed is arranged at the top of the concrete pouring layer, a guardrail is arranged in the middle of the roadbed, protection plates are arranged at the two ends of the roadbed, positioning columns are fixedly arranged at the outer ends of the protection plates, and the positioning columns are fixedly arranged at the outer ends of the positioning columns. Supporting piles are fixedly arranged at the outer ends of the positioning columns and arranged