Pile head waterproof structure based on polymer adhesive film pre-laid anti-sticking waterproof coiled material

The utility model relates to the technical field of pile head waterproofing, and discloses a pile head waterproof structure based on a polymer adhesive film pre-laid anti-sticking waterproof coiled material, which comprises a pile head protruding out of a base layer and a waterproof coiled material comprising an adhesive layer, an anti-sticking layer, a hydrogel layer and a waterproof layer from top to bottom, the anti-sticking layer, the adhesive layer, the hydrogel layer and the waterproof layer are arranged in an attached manner; the waterproof coiled material is arranged above the pile head and the foundation pit in an attached mode, in the pile head waterproof process, the periphery of the pile head is directly covered with the waterproof coiled material, the operation method and theconstruction process are simple, bottom oil or hot air is not needed for drying a wet base layer, and no volatile matter exists; and after the concrete base layer reaches the strength capable of beingloaded with people, const