List of products by author: K. Maeda

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  A study of estimation method for cause of tunnel lining deformation

  Abstract: Deformation of tunnel lining is caused by such external factors as forces applied from outside (hereinafter referred to as “external forces”) and by such internal factors as forces applied by materials and constructions. But it is not clear in most of the cases that which factor causes what types (or features) of cracks. In this study, we extracted features of cracks that is typical to types...

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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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