| 摘要 |
PROBLEM TO BE SOLVED: To provide an attaching structure of an exfoliation preventive net for tunnel lining concrete, which can be attached with excellent workability even inside a dark tunnel and is easy to manufacture.SOLUTION: The attaching structure of the exfoliation preventive net includes: a magnet bodies 4 installed at two or more parts of a skin plate 21 of a mold form 2 provided on an arch center; and a fixture 6 which is formed of a rod-like metal to be attracted to the magnetic bodies 4 and positioned on an outer side of an exfoliation preventive net 3 disposed along an outer peripheral surface to receive attraction force to the magnetic bodies 4 and hold the exfoliation preventive net 3 with the outer peripheral surface. |
