Plate descending connecting structure of prefabricated laminated plate

The utility model relates to a descending plate connecting structure of a prefabricated laminated plate. The descending plate connecting structure is arranged on a supporting formwork. Comprising a precast slab and a cast-in-place beam, one end of the precast slab abuts against the edge of the upper end face of a supporting formwork, and the precast slab comprises first steel bars; the first reinforcing steel bar is provided with a first connecting part which is exposed outside the prefabricated slab and is close to the supporting formwork, the first connecting part is obliquely arranged in the direction away from the upper end face of the supporting formwork, and the inclination angle ranges from 5 degrees to 15 degrees; the cast-in-place beam is arranged on the end face of the upper end of the supporting formwork and used for wrapping the first connecting part. The connecting structure has the effect of improving the connecting strength between the prefabricated slab and the cast-in-place beam. 本申请涉及一种预制叠合板