Detachable prefabricated beam hogging moment tensioning groove formwork and construction method thereof

The invention relates to the technical field of building construction, and provides a detachable prefabricated beam hogging moment tensioning groove formwork and a construction method thereof.The formwork comprises side plates and splicing pieces, the multiple side plates and the multiple splicing pieces are alternately spliced to form a frame structure, each splicing piece is connected with the two adjacent side plates through detachable connecting assemblies, and the splicing pieces are connected with the two adjacent side plates through detachable connecting assemblies; therefore, the connection position of the splicing piece and the side plate can be adjusted. The detachable frame structure is formed by alternately splicing the multiple side plates and the multiple splicing pieces in a surrounding mode, each splicing piece is connected with the two adjacent side plates through the detachable connecting assemblies, the firmness of the overall structure of the formwork is guaranteed, independent position ad