Seismic Retrofit with Relocatable Braces —Speedy Construction to Anchor Braces to Existing Frames with Prestressing Scheme—

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Other Title
  • RB (Relocatable Brace)工法?プレストレスの解放によってブレース材を既存骨組に圧着する耐震補強工法?
  • RB Relocatable Brace コウホウ プレストレス ノ カイホウ ニ ヨッテ ブレースザイ オ キソン ホネグミ ニ アッチャク スル タイシン ホキョウ コウホウ
  • Seismic Retrofit with Relocatable Braces-Speedy Construction to Anchor Braces to Existing Frames with Prestressing Scheme-

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Description

To have the construction of anchor unnecessary which prolongs the term of works, causes a vibration, a noise, and dust, etc under construction, the brace that has the multilayer spring element at the edge with prestressed beforehand is set up in the existing frame, and it puts on pressure to the existing frame by liberating the prestress power afterwards. It detaches from the existing frame by introducing the prestress power again after it sets it up and it is possible to transfer it. About the force evaluation-proof, the performance confirmation examination was done, and the validity of the design formula was confirmed. In this report, it reports on the design approach, the performance confirmation examination, and the application example.

Journal

  • Concrete Journal

    Concrete Journal 47 (12), 12_10-12_17, 2009

    Japan Concrete Institute

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