| 摘要 |
PURPOSE: A segment for a shield tunnel is provided to conveniently install facilities in a construction site by forming an additional fastening groove in each segment. CONSTITUTION: A segment(200) for a shield tunnel is composed as follows. The segments are first assembled in a construction site in a cylindrical shape. The cylindrical-shaped segments are assembled in a longitudinal direction each other. A fastening groove(300) is formed in the body of the segments Facilities, such as electric installations, are directly installed in a construction site through the fastening groove.
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