Prefabricated concrete foundation combination formwork

The utility model provides a prefabricated concrete foundation combination formwork which comprises a prefabricated concrete plate, a PVC pipe with the pipe diameter of 150 mm is embedded in the middle of the prefabricated concrete plate, and the length of the PVC pipe is 40 cm. A steel pipe groove with the pipe diameter of 65 mm is formed in one end of the precast concrete slab, and the length of the steel pipe groove is 10 cm; a steel pipe with the pipe diameter of 50 mm is arranged at the other end of the prefabricated concrete slab, the length of the steel pipe is 20 cm, the length of the part, embedded into the prefabricated concrete slab, of the steel pipe is 10 cm, and the length of the part, exposed out of the prefabricated concrete slab, of the steel pipe is 10 cm; and the steel pipe groove, the PVC pipe and the steel pipe are coaxially arranged. According to the prefabricated concrete foundation combined formwork, the prefabricated concrete foundation combined formwork is adopted to replace the port