Experimental study of concrete girders retrofitted with epoxy-bonded composite laminates

Hamid Saadatmanesh, Mohammad R. Ehsani

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

The static strength of reinforced concrete beams strengthened by gluing glass-fiber-reinforced-plastic (GFRP) plates to their tension flanges is experimentally investigated. Five rectangular beams and one T-beam were tested to failure under four-point bending. The measured load versus strain in GFRP plates, steel rebar, extreme compression fiber of concrete, and the load versus deflection for the section at midspan of the beams are plotted and compared to the predicted values. The results indicate that the flexural strength of RC beams can be significantly increased by gluing GFRP plates to the tension face. In addition, the epoxy bonded plates improved the cracking behavior of the beams by delaying the formation of visible cracks and reducing crack widths at higher load levels.

Original languageEnglish (US)
Title of host publicationRepair and Strengthening of Concrete Members with Adhesive Bonded Plates
EditorsR. Narayan Swami, Robert Gaul
PublisherAmerican Concrete Institute
Pages205-234
Number of pages30
ISBN (Electronic)9780870316647
StatePublished - Dec 1 1996
Externally publishedYes
EventRepair and Strengthening of Concrete Members with Adhesive Bonded Plates 1992 - Washington, United States
Duration: Mar 15 1992Mar 16 1992

Publication series

NameAmerican Concrete Institute, ACI Special Publication
VolumeSP-165
ISSN (Print)0193-2527

Conference

ConferenceRepair and Strengthening of Concrete Members with Adhesive Bonded Plates 1992
Country/TerritoryUnited States
CityWashington
Period3/15/923/16/92

Keywords

  • Beams (supports)
  • Bonding
  • Composite construction (concrete and plastic)
  • Cracking (fracturing)
  • Epoxy resins
  • Girders
  • Plates (structural members)

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

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