The invention relates to the related technical field of tunnel ground waterproof construction, in particular to a construction protection component and a construction method thereof.The construction protection component comprises a total framework, an arch component and an iron plate, rubber plates are attached to the periphery of the surface of the total framework, and the arch component is arranged above the total framework in a sleeving mode; a fixing bolt penetrates through the center of the front face of the arch-shaped component, rubber strips are attached to the two sides of the inner surface of the total framework, a hoisting iron block is attached to the lower surface of the total framework, a
fastener is arranged below the hoisting iron block, a fixing nut is welded to the lower surface of the
fastener, clamps are arranged on the two sides of the
fastener, and the clamps are arranged on the lower surface of the total framework. One side of the clamp is fixedly connected with a connecting piece, and one side of the connecting piece is fixedly connected with a steel
pipe. According to the construction protection component and the construction method thereof, the overall structure is simple and convenient to install, and the
traffic capacity and the
driving safety in the waterproof repair process of the tunnel pavement can be well ensured.