Combined bracket for bent cap construction method

The utility model relates to a combined bracket for a bent cap construction method. Wherein the horizontal longitudinal supporting piece is arranged in a preformed hole in a pier in a penetrating mode, the sand box is installed on the upper side of the horizontal longitudinal supporting piece, and the horizontal transverse supporting piece is installed on the sand box. Two opposite side surfaces in the sand box are called as mounting surfaces; a penetrating through groove is formed in the installation face, the bottom face of the penetrating through groove coincides with the bottom face of thesand box, the horizontal longitudinal supporting piece is arranged in the penetrating through groove in a penetrating mode, the cross section of the horizontal longitudinal supporting piece is not round, an inner cavity is formed in the top face of the sand box, and a gap is formed between the bottom face of the inner cavity and the top face of the penetrating through groove. When the whole support is subjected to horizo