| 摘要 |
PROBLEM TO BE SOLVED: To provide a soundproof structure of a tunnel capable of preventing sound leakage of noise to be generated in tunnel construction to the outside even when a conveyance mechanism such as a belt conveyor is installed.SOLUTION: A soundproof structure 10 of a tunnel comprises: a soundproof wall 18 which is installed in a pit or a pit mouth of a tunnel 12; and a belt conveyor 16 which is installed along an extension direction of the tunnel 12 so as to pass through the soundproof wall 18, in which the belt conveyor 16 has connection parts 22a, 22b which are provided on the front side and the rear side of the soundproof wall 18, respectively; and a movable part 24 which is provided between the respective connection parts 22a, 22b, and can be changed to a passage posture for passing through the soundproof wall 18 to connect between the respective connection parts 22a, 22b, and an evacuation posture for evacuating from the soundproof wall 18 to separate between the respective connection parts 22a, 22b. |
