Strengthening of RC beams using externally bonded plates and anchorages

Jumaat, Mohd Zamin and Alam, Md Ashraful (2008) Strengthening of RC beams using externally bonded plates and anchorages. Australian Journal of Basic and Applied Sciences, 3 (3). pp. 2207-2211. ISSN 1991-8178

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Abstract

This paper presents a study on strengthened reinforced concrete beams using externally bonded plates and anchorages. Strengthening materials and methods, failure modes of strengthened beams, effect of end anchorages and effect of intermediate anchorages are reviewed. An experimental programme to evaluate the structural behaviour of anchored steel plate and CFRP laminate flexurally strengthened reinforced concrete beams is also reported. A total of five beams, each 2300 mm long, 125 mm wide, and 250 mm deep, were fabricated and tested. One beam was left un-strengthened to act as the control beam, two beams were strengthened with steel plate and another two beams were strengthened with CFRP laminate. From each of the steel plate and CFRP laminate strengthened beams, one beam was left unanchored and another beam was anchored at the end and shear spans (intermediate anchored) by L shape plates to avoid premature failure. The experimental results overall showed that the strengthened beams had higher failure loads and good failure modes over the control beam. Results also illustrated that the end with intermediate anchored strengthened beams.

Item Type: Article
Uncontrolled Keywords: Reinforced concrete, beam, strengthening, plate, debonding, anchors.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 21 May 2013 01:55
Last Modified: 14 Nov 2019 01:47
URI: http://eprints.um.edu.my/id/eprint/6089

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