Experimental Study on Knee-Brace Rehabilitation of Steel Beam-to-Column Connection with Composite Beams

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  • 合成梁を有する鉄骨柱梁接合部の梁端破断に対する方杖補修について
  • ゴウセイリョウ オ ユウスル テッコツ チュウリョウ セツゴウブ ノ リョウタン ハダン ニ タイスル ホウズエ ホシュウ ニ ツイテ

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Many steel beam-to-column connections were damaged to both the 1994 Northridge and the 1995 Hyogoken-Nanbu Earthquakes, especially bottom beam flanges near by the connection with a composite beam. After those earthquakes, many studies have been carried out on brittle fractures of the beam-column connections. Most of those studies have employed moment-resisting frames to clarify fracture mechanism of connections. This experimental study was conducted on connections with a composite beam to propose a new method for rehabilitation of fractured bottomflange near by the connection. Non-compression knee-brace was used to strengthen the bottom-flange.

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