The utility model discloses an utilize hinge joint space to carry out sky core plate reinforced structure that shears relates to bridge engineering maintenance and reinforcement technical field, including following step: one, the chisel of old bridge hinge joint transformation removes the step, two, the fixed step of hinge joint's U type stirrup, three, the construction steps of concrete, the utility model discloses can improve the bearing capacity 20% that shears of hollow slab bridge girder construction~40% to improve the transverse connection ability between empty core plate, just the utility model discloses reform transform with low costs, save material in old bridge reinforcement process, the construction side method is simple and convenient, practical, also can effectively reduce bridge disease hidden danger in the new bridge design, this is acquireed to the pipe that reduces during the operation.