Beam-slab formwork structure and mounting process

The invention discloses a beam-slab formwork structure and a mounting process. The beam-slab formwork structure comprises a formwork and a full framing, wherein the formwork comprises a plurality of mutually-spliced slab formworks, a beam formwork is connected between the multiple slab formworks, the upper portion of the full framing abuts against the bottoms of the slab formworks, beam supporting assemblies are arranged at the bottoms of the beam formworks, the beam supporting assemblies comprise clamps and supporting columns, the clamps are detachably clamped outside the beam formworks, the supporting columns are vertically arranged, one ends of the supporting columns abut against the clamps, the other ends of the supporting columns abut against the ground, each clamp comprises two clamping plates, one ends of the two clamping plates are hinged, the hinged ends of the clamping plates are provided with driving grooves, the ends, close to the clamps, of the supporting columns are provided with lifting pipes,