IPEJ Journal
Online ISSN : 2759-7636
Print ISSN : 0389-1488
Volume 2025, Issue 697
Displaying 1-1 of 1 articles from this issue
  • Hajime KUBO
    2025 Volume 2025 Issue 697 Pages 42-45
    Published: January 01, 2025
    Released on J-STAGE: January 20, 2025
    RESEARCH REPORT / TECHNICAL REPORT FREE ACCESS
    With the motto 'There is no distinction between rural and urban areas in technological development,' the author's company has developed and commercialized a non-destructive inspection technology that leverages the characteristics of hammer impact responses to easily, accurately,and affordably diagnose the integrity of concrete structures and bolts. In recent years, accidents caused by bolt and nut failures have increased, becoming a social issue. Inspection of bolts and nuts mainly relies on sensory-based methods such as hammering sound method. Still, there are issues such as the lack of objectivity in judgment and the absence of recorded data. In the future,it will be necessary to employ technology that addresses these challenges in the maintenance and management of infrastructure.
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