Experimmental study on patching plate repair with high strength bolts and adhesive suubjected to axial force

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  • 接着剤と高力ボルトを併用した軸方向力を受ける当て板補修に関する実験的研究
  • セッチャクザイ ト コウリョク ボルト オ ヘイヨウ シタ ジク ホウコウリョク オ ウケル アテ ハン ホシュウ ニ カンスル ジッケンテキ ケンキュウ

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Abstract

The high strength bolted frictional joints are frequently used for repair and strengthening works of steel bridges, such as patch plates with epoxy resin. In order to investigate the retrofit effect of adhesive patch plate which are bolted by high tension bolts to the corroded steel member, tensile tests which are the length of patch plate or the number of bolts as a parameter are conducted. Based on the tensile tests, it is found that if patch plate satisfies its length and thickness, the deterioration of stiffness and capacity of specimens is not observed.

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