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Tunnel inspection system for railways using continuously scanned image system

Last updated on 20 September 2013 3:58

We perform general inspection of railway tunnels every two years. Inspectors visually check linings in dark tunnels with a small quantity of light. They sometimes sketch cracks and excoriations on the linings of the tunnel. This work isn't efficient because they have to inspect tunnels on foot during short intervals...

Author(s): Ohta Masaru;Ukai Masato;Hayashi Naoki;Kokubo Masatoshi

Organisation(s): Railway Technical Research Institute ; Central Japan Railway Company ;

1999

Japan

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