Waterproof structure of inner side joint of shield tunnel segment

The utility model discloses a waterproof structure of an inner side joint of a shield tunnel segment. Wherein the rubber sealing strip is arranged in a wide seam, and the putty self-adhesive layers are arranged in a narrow seam and between the rubber sealing strip and the wide seam. The front end of the rubber sealing strip is provided with a front end face matched with the inclination of the twoinclined wall faces in the wide seam and forms a front end protruding forwards, the left side and the right side of the rubber sealing strip are inclined faces matched with the inclination of the wedge-shaped wall faces in the wide seam respectively and form a wedge-shaped rear end, and bonding teeth are arranged on the inclined faces. According to the utility model, the rubber sealing strip is elastically deformed by the core, so that the tight contact between the rubber sealing strip and the fiber putty is ensured, and the sealing and waterproof effects are achieved. Fiber putty capable of enhancing self-adhesion an