TUNNEL EXCAVATING MACHINE

摘要

PROBLEM TO BE SOLVED: To improve the working efficiency of lining work by properly holding lining members fabricated on the wall surface of an existing tunnel in the excavating machine of a tunnel. SOLUTION: An erector device 29 is mounted on the rear part of an excavating machine main body 11, and swing type scaffolding device 30 having a scaffolding table 34 that can swing via a swing frame 31 being movable to and fro by a moving jack 36, and a shape-retaining device 50 being movable forward and rearward by a moving jack 64 and retained in a predetermined shape by being in press contact with an existent segment S are deployed on a frame extended at the rear from the rear part of the excavating machine main body 11.