| 摘要 |
PROBLEM TO BE SOLVED: To provide a skin plate for a tunnel of a simple structure which can be automatically assembled. SOLUTION: A skin plate for a tunnel constituting an outer shell of a shield tunnel is provided, which comprises a main beam 3 arranged perpendicular to the axial direction of the shield tunnel, a coupling plate 7 provided on both end parts of the main beam 3, and a rectangular rib 5 arranged perpendicular to the main beam 3 with a specified interval.
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