Flexural characteristics of concrete beams reinforced with a new type of GFRP bar

Hongseob Oh, Do Young Moon, Goangseup Zi

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Beam tests were conducted to investigate the characteristics of a newly developed type of glass fibre-reinforced polymer (GFRP) rebar as reinforcement in flexural concrete members. Nine beams over-reinforced with different types of rebar, and with varying reinforcement ratios and depths of concrete cover, were monotonically loaded up to failure. Results were characterised by failure mode, moment-curvature, flexural capacity, load-deflection, and crack width. The test results were compared with the theoretical model and the American Concrete Institute design guide, which showed that the performance of the newly- developed GFRP rebar was comparable to commercially available GFRP rebars. In addition, a theoretical model for moment-curvature and an equation for predicting the flexural capacity of the beams with multiple layers of GFRP rebar are presented, based on the experimental observations.

Original languageEnglish
Pages (from-to)253-264
Number of pages12
JournalPolymers and Polymer Composites
Volume17
Issue number4
Publication statusPublished - 2009 Dec 1

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Glass fibers
Polymers
Concretes
Reinforcement
Failure modes
Cracks
fiberglass

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Flexural characteristics of concrete beams reinforced with a new type of GFRP bar. / Oh, Hongseob; Moon, Do Young; Zi, Goangseup.

In: Polymers and Polymer Composites, Vol. 17, No. 4, 01.12.2009, p. 253-264.

Research output: Contribution to journalArticle

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