Japan Society of Civil Engineers 2019 Annual Meeting

Presentation information

第I部門

診断・補修・補強 (1)

Tue. Sep 3, 2019 8:40 AM - 10:10 AM I-5 (幸町北3号館 322講義室)

座長:奥山 雄介(長野工業高等専門学校)

[I-136] Energy release rate of CFRP bonded steel member considering with effect of matrix resin

*水谷 壮志1、石川 敏之1、北根 安雄2 (1. 関西大学、2. 京都大学大学院)

Keywords:CFRP, energy release rate, shearing deformation, matrix resin

Recently, repair method using bonding CFRP has begun to be applied to actual deteriorated steel members. In the guidelines for repair and strengthening of structures using externally bonded FRP, it is specified that an energy release rate, ERR, in adhesive can be applied for the verification of debonding of CFRP. In this paper, the authors compered ERR of simplified equation and ERR of approximate solution considering the effect of matrix resin. As the result, they were perfectly same under axial loading, whole they were almost same in the case of CFRP bonded steel member under pure bending.

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