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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Evaluation Systems of Shear Capacity of Reinforced Concrete Members Retrofitted with Carbon Fiber Reinforced Polymer Sheets in Consideration of Bond-Peeling Characteristics
Author(s): A. Kamiharako, K. Maruyama, and T. Shimomura
Publication: Special Publication
Appears on pages(s): 973-984
Keywords: bonding and peeling; carbon fiber reinforced polymers; continuous fiber sheet; reinforced ocncrete; retrofit
Abstract:This paper presents an evaluation method of contribution of continuous fiber sheet to shear capacity of RC members. Different from mild steel, CF sheet is completely elastic up to breaking point without any yielding phenomena. CF sheet works effectively in shear strengthening of concrete members when it is glued on concrete. To evaluate shear contribution of CF sheet rationally, it is necessary to consider bonding and peeling-off behavior of CF sheet. In this paper, we formulate a constitutive model for the interfacial zone between CF sheet and concrete according to the uniaxial test results. Based on this computational model, we propose the evaluation system for shear capacity of RC member retrofitted with CF sheets. The applicability of the proposed method is verified with test results of RC beams.
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