| 摘要 |
PURPOSE: A soundproof tunnel is provided to simplify a structure, firmly maintain structural strength after construction, enhance construction quality, shorten a construction period, and reduce a construction cost. CONSTITUTION: A soundproof tunnel comprises a frame(10), a soundproof panel(30), and a directly-coupled panel fixing unit(50). The frame is arranged in the longitudinal direction of the tunnel. The soundproof panel is arranged between frames. The directly-coupled panel fixing unit fixes a panel in connection with the frame and the soundproof panel.
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