Shield segment protection structure based on tunnel blasting excavation

The utility model discloses a shield segment protection structure based on tunnel blasting excavation, and relates to the field of tunnel construction, the shield segment protection structure comprises a shield segment, a pilot tunnel and a support, the shield segment is located on one side of the pilot tunnel, the support is arranged in the shield segment, and the support is composed of I 22 profile steel and I 16 profile steel; an air pipe and a storage battery car containing cavity are further arranged in the support, and the air pipe is located above the storage battery car containing cavity; a reserved rock protection layer is arranged on the side edge of the shield segment, damping holes and slotting holes are formed in the side edge of the reserved rock protection layer, and the damping holes and the slotting holes are located in the pilot tunnel. According to the utility model, proper deformation monitoring points are arranged on the underground pipeline, so that the monitoring quantity and the measur