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Replacement of a Tension Flange by Welding(Mechanics, Strength & Structural Design)

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抄録

Due to heavy corrosion, a tension flange of a plate girder bridge was replaced. As the bridge crosses over a splendid commercial area and carries heavy traffic, neither temporal support nor traffic interruption was allowed. The replacement was forced to be conducted under service condition, that is, under fluctuating stress condition. A series of experimental studies made for this remedy showed ; 1) The stress due to shrinkage of welded joint in the tension flange rolled as artificially induced pre-stress to compensate the deflection by the cutting of the flange ; 2) When welded under fluctuating stress, hot crack was observed in the first layer of deposited metal, which needed to be removed by arc air gouging.

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詳細情報

  • CRID
    1573105977115463808
  • NII論文ID
    110006486729
  • NII書誌ID
    AA00867058
  • ISSN
    03874508
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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