Construction method for positioning and mounting super-long screw

The invention discloses a construction method for positioning and installing a super-long screw rod, the super-long screw rod is fixed in a square sleeve through grouting, the super-long screw rod comprises an upper screw rod, a connector and a lower screw rod which are in threaded connection in sequence, a steel plate is arranged on the upper screw rod in a penetrating mode, and the construction method comprises the following steps: S1, measuring and setting out a grouting material range control point, and manually snapping a line; chiseling all concrete surfaces in the grouting range, and cleaning; s2, the pipe wall of the square steel pipe is cleaned, and an adhesion agent is brushed on the concrete surface within the grouting range; s3, the super-long screw is placed in the square sleeve, and the super-long screw is fixed through a tool; s4, the elevation and flatness of the tool and the elevation of the steel plate are adjusted, and the positions of the upper screws are finely adjusted one by one through