Prefabricated light combined type pipeline concrete buttress

The utility model discloses a prefabricated light combined type pipeline concrete buttress in the technical field of pipeline buttresses, which comprises a web plate which is of a flat-plate-shaped structure, and the top of the web plate is a top surface arc of a downward concave cambered surface structure; the side plate is of a flat plate structure, an arc-shaped supporting hoop which is sunken downwards is formed in the top of the side plate, a plurality of fastening groove holes are formed in the bottom of the side plate, each fastening groove hole is a long hole vertically formed in the side plate, and a plurality of grouting openings are further formed in the vertical outer side face of the side plate. The manufacturing efficiency is improved, on-site manufacturing is not needed, a large number of prefabricated parts can be prefabricated in advance in an external plant, only on-site installation is needed, on-site pouring work is omitted, the on-site manufacturing efficiency is improved, the constructio