ESTIMATION METHOD OF HORIZONTAL CAPACITY OF JOINT FRACTURE FOR RETROFITTED FRAME USING DISK SHEAR-KEY

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Other Title
  • ディスク型シヤキ－を用いた内付け補強架構の接合部破壊時の保有水平耐力の評価手法
  • ディスク型シヤキーを用いた内付け補強架構の接合部破壊時の 保有水平耐力の評価手法 : 鋼製ディスクとアンカーボルトを併用した耐震補強用シヤキーに関する研究
  • ディスクガタ シヤキー オ モチイタ ウチツケ ホキョウカコウ ノ セツゴウブ ハカイジ ノ ホユウ スイヘイ タイリョク ノ ヒョウカ シュホウ : コウセイ ディスク ト アンカーボルト オ ヘイヨウ シタ タイシン ホキョウヨウ シヤキー ニ カンスル ケンキュウ
  • Study on shear-key consisted of steel disk and anchor bolt for seismic retrofitting
  • －鋼製ディスクとアンカーボルトを併用した耐震補強用シヤキーに関する研究－

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Abstract

We developed the new joint element called “disk shear-key” for seismic retrofitting. This joint element is consisted of steel disk and anchor bolt. We had tested to clear the basic structural performance by direct shear test. Retrofitting members are connected to existing frame through indirect-joints generally. In this paper, the joint loading test and the frame loading test are conducted to investigate structural performance of disk shear-key put in indirect-joints. As a result, it is found that the horizontal load-capacity of frame is estimated by adding shear strength of column, punching shear strength and shear strength of disk shear-key constructed by the joint loading test results.

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