Application of Water Jet Chipping for Repair Works of Prestressed Concrete Bridges

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抄録

Concrete structures which need repair and maintenance work because of salt damage have recently increased in number. Hence, in maintenance management, it is necessary to chip off the existing concrete surface and to cut away salt damaged areas efficiently. Until now, this has depended primarily on manual operation by using pick hammers and the like. However, work efficiency tended to be low due to the extremely poor working environment that offen involved heavy vibration and noise, and it has been shown that the impact of the chipping operations has adverse quality effects in undamaged sections. Therefore, the development of a new method was strongly demanded. An automated chipping system to cut away the salt damaged areas by utilizing high pressure water jets has been developed and applied to actual reinforcing work. This report details the development of an automatic water jet chipping method applied to large-scale reinforcing work on a salt damaged pre-stressed concrete bridge, and also describes the results of on-site implementation and improvement.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 1481-1483, 1998 

    The Japan Society of High Pressure Science and Technology

各種コード

  • NII論文ID(NAID)
    10002694453
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4494274
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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