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Shear capacity of FRP-strengthened RC beams: FRP debonding

Chen, J.F. / Teng, J.G.

AbstractMany studies have been undertaken on shear strengthening of reinforced concrete (RC) beams by externally bonding fibre-reinforced polymer (FRP) composites. These studies have established clearly that such strengthened beams fail in shear mainly in one of two modes: FRP rupture; and FRP debonding, and have led to preliminary design proposals. This paper is concerned with the development of a simple, accurate and rational design proposal for the shear capacity of FRP-strengthened beams which fail by FRP debonding. Existing strength proposals are reviewed and their deficiencies highlighted. A new strength model is then developed. The model is validated against experimental data collected from the existing literature. Finally, a new design proposal is presented.

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Shear capacity of FRP-strengthened RC beams: FRP debonding

Chen, J.F. / Teng, J.G.

AbstractMany studies have been undertaken on shear strengthening of reinforced concrete (RC) beams by externally bonding fibre-reinforced polymer (FRP) composites. These studies have established clearly that such strengthened beams fail in shear mainly in one of two modes: FRP rupture; and FRP debonding, and have led to preliminary design proposals. This paper is concerned with the development of a simple, accurate and rational design proposal for the shear capacity of FRP-strengthened beams which fail by FRP debonding. Existing strength proposals are reviewed and their deficiencies highlighted. A new strength model is then developed. The model is validated against experimental data collected from the existing literature. Finally, a new design proposal is presented.

Shear capacity of FRP-strengthened RC beams: FRP debonding

Chen, J.F. / Teng, J.G.

AbstractMany studies have been undertaken on shear strengthening of reinforced concrete (RC) beams by externally bonding fibre-reinforced polymer (FRP) composites. These studies have established clearly that such strengthened beams fail in shear mainly in one of two modes: FRP rupture; and FRP debonding, and have led to preliminary design proposals. This paper is concerned with the development of a simple, accurate and rational design proposal for the shear capacity of FRP-strengthened beams which fail by FRP debonding. Existing strength proposals are reviewed and their deficiencies highlighted. A new strength model is then developed. The model is validated against experimental data collected from the existing literature. Finally, a new design proposal is presented.

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Title:

Shear capacity of FRP-strengthened RC beams: FRP debonding

Contributors:

Chen, J.F. (author) / Teng, J.G. (author)

Published in:

Construction and Building Materials ; 17 ; 27-41

Publication date:

2002-01-01

Size:

15 pages

ISSN:

DOI:

https://doi.org/10.1016/S0950-0618(02)00091-0

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Fibre reinforced polymer , Fibre reinforced plastic , FRP , Debonding , Reinforced concrete beams , Shear design , Shear strength , Shear strengthening

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