List of products by author: H. Yagi

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  Study of the evaluation method on tunnel lining clack progress

  Abstract: Nippon Expressway Company Limited (NEXCO)’s tunnel lining detailed inspection system carries out desk checking of the image photographing records of lining surfaces from the inspection image acquisition system and is made up of a combination of desk checking extracting important inspection points as well as implementation checks by an engineer. Both inspections evaluate Tunnel-lining Crack...

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