Mechanically fastened FRP strengthening of large scale RC bridge T beams

Anthony J. Lamanna; Lawrence C. Bank; David T. Borowicz

doi:10.1260/1369433042863206

Mechanically fastened FRP strengthening of large scale RC bridge T beams

Anthony J. Lamanna, Lawrence C. Bank, David T. Borowicz

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

A new method has been developed for strengthening reinforced concrete beams for flexure which uses multiple mechanical fasteners to attach a fiber reinforced polymer (FRP) strip to the member. This study investigates the behavior of the method on full scale concrete T beams of three different steel reinforcement levels. The beams were strengthened without surface preparation, and the strips were attached with only four man-hours of labor per beam. The strengthened beams resulted in increases of up to 11.7 % in the yield moment and up to 27.2 % in the moment capacity at a deflection of L/135. The beams exhibited large amounts of ductility, before failure.

Original language	English (US)
Pages (from-to)	525-537
Number of pages	13
Journal	Advances in Structural Engineering
Volume	7
Issue number	6
DOIs	https://doi.org/10.1260/1369433042863206
State	Published - Dec 1 2004
Externally published	Yes

Keywords

Frp strengthening
Power actuated fasteners
T beams

ASJC Scopus subject areas

Civil and Structural Engineering
Building and Construction

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10.1260/1369433042863206

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abstract = "A new method has been developed for strengthening reinforced concrete beams for flexure which uses multiple mechanical fasteners to attach a fiber reinforced polymer (FRP) strip to the member. This study investigates the behavior of the method on full scale concrete T beams of three different steel reinforcement levels. The beams were strengthened without surface preparation, and the strips were attached with only four man-hours of labor per beam. The strengthened beams resulted in increases of up to 11.7 % in the yield moment and up to 27.2 % in the moment capacity at a deflection of L/135. The beams exhibited large amounts of ductility, before failure.",

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AU - Lamanna, Anthony J.

AU - Bank, Lawrence C.

AU - Borowicz, David T.

PY - 2004/12/1

Y1 - 2004/12/1

N2 - A new method has been developed for strengthening reinforced concrete beams for flexure which uses multiple mechanical fasteners to attach a fiber reinforced polymer (FRP) strip to the member. This study investigates the behavior of the method on full scale concrete T beams of three different steel reinforcement levels. The beams were strengthened without surface preparation, and the strips were attached with only four man-hours of labor per beam. The strengthened beams resulted in increases of up to 11.7 % in the yield moment and up to 27.2 % in the moment capacity at a deflection of L/135. The beams exhibited large amounts of ductility, before failure.

AB - A new method has been developed for strengthening reinforced concrete beams for flexure which uses multiple mechanical fasteners to attach a fiber reinforced polymer (FRP) strip to the member. This study investigates the behavior of the method on full scale concrete T beams of three different steel reinforcement levels. The beams were strengthened without surface preparation, and the strips were attached with only four man-hours of labor per beam. The strengthened beams resulted in increases of up to 11.7 % in the yield moment and up to 27.2 % in the moment capacity at a deflection of L/135. The beams exhibited large amounts of ductility, before failure.

KW - Frp strengthening

KW - Power actuated fasteners

KW - T beams

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Mechanically fastened FRP strengthening of large scale RC bridge T beams

Abstract

Keywords

ASJC Scopus subject areas

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