| 摘要 |
PROBLEM TO BE SOLVED: To provide a tunnel internal wall plate, which is sufficiently safe and can improve visual guidance function.SOLUTION: A tunnel internal plate uses a glass plate that is installed on an internal wall face of a tunnel. The tunnel internal wall plate is a laminated glass which comprises: a first glass plate which is disposed on a passage side of the tunnel; a second glass plate which is disposed on the internal wall face side of the tunnel; and a resin layer between the first glass plate and the second glass plate. The first glass plate has a chamfer part between a first plane part in parallel with the passage and a first end face part that links to an end part of the first plane part in orthogonal direction. The second glass plate has a second chamfer part between a second plane part in parallel with the internal wall face and a second end face part that links to an end part of the second plane part in orthogonal direction. The first chamfer part and the first end face part and the second chamfer part and the second end face part are installed so as to be exposed.SELECTED DRAWING: Figure 1 |
