Fabricated arc-shaped PC component for tunnel

The utility model provides an assembly type arc-shaped PC component for a tunnel, and belongs to the technical field of machinery. The problem of poor stability in the prior art is solved. The fabricated arc-shaped PC component for the tunnel comprises a U-shaped arch body and a plate-shaped bottom plate, the U-shaped end opening of the arch body is connected to the bottom plate, and the fabricated arc-shaped PC component is characterized in that a first concave positioning hole is formed in the U-shaped end of the arch body, a second concave positioning hole is formed in the bottom plate, the fabricated arc-shaped PC component further comprises a connecting pin and a flexible gasket, and the connecting pin is connected with the flexible gasket. The two ends of the connecting pin are embedded in the first positioning hole and the second positioning hole respectively, and the gasket is tightly pressed between the arch body and the positioning pin. The fabricated arc PC component for the tunnel is high in stabi