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Tunnel Monitoring System Using the Optical Fiber Sensor or the Electric Conductible Paint

Last updated on 13 September 2013 11:13

It is essential to detect cracks and exfoliations of tunnel concrete linings at an early stage in view of safety and durability of tunnels. At present, visual inspections and percussion tests have been normally carried out for the purpose. However, these inspection techniques have a large artificial error, and are...

Author(s): Tachibana M.;Kojima Y.;Nakayama T.;Tanabe M.

Organisation(s): Railway Technical Research Institute ;

2006

Japan

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