Construction process for large-span pier capping beam suspension type formwork platform for bridge disassembly and reconstruction

The invention relates to a construction process of a suspension type formwork platform for disassembling and rebuilding a large-span pier cover beam of a bridge, which comprises the following steps of: S1, constructing a new pile, wrapping a steel casing, and arranging a first high steel hoop at the upper part of the steel casing; s2, the old pile of the old bridge is cut off, a second high steel hoop is fixed to a fracture part, a bearing piece is welded to the upper end of the second high steel hoop, and the upper end face of the bearing piece and the upper end face of the first high steel hoop are horizontally coplanar; s3, multiple pieces of double-spliced I-shaped steel are arranged on the multiple new pile and old pile arranging lines, and the double-spliced I-shaped steel is arranged on the bearing piece and the upper end face of the first high steel hoop; s4, a bottom formwork is laid on the upper end face of the double-spliced I-shaped steel, and a bent cap reinforcement cage is bound on the bottom f