Construction method of prestressed concrete tongue-and-groove seam

The invention discloses a construction method of a prestressed concrete tongue-and-groove seam. The construction method comprises the following steps that (1), a friction rib is arranged between the tongue-and-groove seam and a hollow slab; (2), after the hollow slab is installed, an anti-collision belt is manufactured firstly; (3), longitudinal steel bars are arranged at the upper part and the lower part of the tongue-and-groove seam; after the hollow slab is installed, longitudinal steel bars are arranged on the upper portion and the lower portion of the tongue-and-groove seam, and the upper longitudinal steel bars and the lower longitudinal steel bars are at least three II-level steel bars with the diameter of 18 mm or 20 mm; and (4), pre-stress is formed in the tongue-and-groove joint concrete. According to the construction method, the integrity and consistency of the tongue-and-groove joint concrete and the hollow slab concrete can be improved, prestress is also formed in the tongue-and-groove joint conc