Practices of highway bridge maintenance and research and development for preventive maintenance

DOI
  • ISHIDA Masahiro
    国立研究開発法人土木研究所 構造物メンテナンス研究センター

Bibliographic Information

Other Title
  • 道路橋の維持管理の実態と予防保全へ向けた技術開発

Abstract

<p>Highway bridges and tunnels are inspected regulary once in five years. Inspection results for bridges revealed 9% of total stock was category III, which requires prompt countermeasure, and 0.9% was category IV, requires emergent action. Calculating from annual budget, it will take about 20 years to repair all bridges of categories III and IV. Therefore importance of preventive maintenance is highlighted. At Public Works Research Institute, AI based diagnosis system is being developed. In addition early detectdion and countermeasures are studied for slab degradation to aggregate, concrete bridge damage from salt, and scour of bridge foundation in river. </p>

Journal

Keywords

Details 詳細情報について

  • CRID
    1390013795251520512
  • DOI
    10.11532/jsceiii.4.l2_4
  • ISSN
    24359262
  • Text Lang
    ja
  • Data Source
    • JaLC
  • Abstract License Flag
    Disallowed

Report a problem

Back to top