Characterization of debonding energy release rate of FRP sheets bonded on mortar and concrete

Authors: Kimpara, Isao¹; Kageyama, Kazuro¹; Suzuki, Toshio¹; Osawa, Isamu¹; Yamaguchi, Kouji¹

Source: Advanced Composite Materials, Volume 8, Number 2, 1999 , pp. 177-187(11)

Publisher: VSP, an imprint of Brill

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Abstract:

A new peeling test of FRP sheets bonded on mortar and concrete was proposed to characterize the peeling strength and examine the effects of different surface treatment and primer. A simple data reduction method was proposed for the energy release rate due to peeling from the viewpoint of fracture mechanics and theory of thin membrane. The effect of surface treatment and primer was compared by energy release rate, initiation load, and maximum load. Observing energy release rate and initiation load, it was shown that there were some differences between non-primer and primer, and observing maximum load, it was shown that there were some differences among different surface treatments.

Keywords: FRP sheets; peeling; concrete; energy release rate; surface treatment

Document Type: Research article

DOI: 10.1163/156855199X00182

Affiliations: 1: Department of Environmental and Ocean Engineering, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8656, Japan

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