Prestress assembly type retaining structure for debris flow gully treatment

The utility model discloses a prestress assembly type supporting and retaining structure for debris flow gully treatment. The prestress assembly type supporting and retaining structure comprises an upper supporting and retaining structure and an anti-slide pile with a wing plate. The upper supporting and retaining structure is composed of a prefabricated bottom plate, a retaining wall panel and a rib plate, all components of the upper supporting and retaining structure are installed through the prestress anchoring technology, the anti-slide pile with the wing plate is a rotary excavating drilling cast-in-place pile, a pile body is poured to be higher than the foundation surface, and the wing plate is arranged on the pile body at the position of the foundation surface and used for fixing the upper supporting and retaining structure. The pile bodies higher than the ground penetrate through reserved holes of the prefabricated bottom plate to be tightly attached to the retaining wall panel, the overall anti-slidi