Prefabricated temporary inverted arch and tunnel lining structure thereof

According to the prefabricated temporary inverted arch and the tunnel lining structure thereof, the cross section of the prefabricated temporary inverted arch is arc-shaped, each prefabricated unit plate comprises a structural pile construction hole penetrating through a plate body, a connecting end is arranged on the end face of the front end of the plate body, and a bearing end is arranged on the end face of the rear end of the plate body; inverted arch connecting pieces are pre-embedded in the centers of the left end face and the right end face of the plate body where the bearing end is matched with the connecting end. The tunnel lining structure comprises a primary support structure, a waterproof layer and a secondary lining structure, wherein the primary support structure is formed byenclosing a prefabricated temporary inverted arch and other primary support structures. The tunnel lining structure further comprises a reinforced concrete in-tunnel rock-socketed structure pile. Thesoft soil layer tunnel su