Inverted arch pavement steel pipe column reinforcing structure and construction method

The invention discloses an inverted arch pavement steel pipe column reinforcing structure and a construction method, the inverted arch pavement steel pipe column reinforcing structure comprises a feet-lock anchor pipe, a grouting pipe and a fixing frame, the feet-lock anchor pipe is used for being inserted into wall bodies on the two sides of a tunnel, and a plurality of first grout outlet holes are formed in the side wall of the feet-lock anchor pipe; the grouting pipe is used for being inserted into the ground, a plurality of second grout outlet holes are formed in the grouting pipe, a plurality of connecting pipes are fixedly arranged on the fixing frame, the connecting pipes jointly communicate with a feeding pipe, connecting pieces are arranged on the connecting pipes, and the connecting pieces are used for enabling the grouting pipe to communicate with the connecting pipes. And a fixing piece for fixing the fixing frame on the ground is arranged on the fixing frame. The method has the effect of reducing