抄録
The current, is progressing aging was built bridges and tunnels more than 40 years ago. but Maintenance engineer is also missing. Inspection of the runnel requires traffic regulation. Maintenance engineer carried out as close as possible to the inspection point by mobile elevating work platform. But, take the time to visual inspection and hammering test for inspection area is wide. And, there are variations in the inspection of visual and hammering by human. We proposed a "variable guide frame vehicle for inspection of tunnel lining concrete" for new maintenance technology of infrastructure. We report that inspection plan and basic constitution of the system in this paper.
