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AN EXPERIMENTAL STUDY ON STRUCTURAL BEHAVIOR OF RECTANGULAR RC COLUMNS DAMAGED BY REBARS CORROSION AND STRENGTHENING THEM WITH FRP

Publish Year: 1388
Type: Conference paper
Language: English
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ICCD03_090

Index date: 11 October 2008

AN EXPERIMENTAL STUDY ON STRUCTURAL BEHAVIOR OF RECTANGULAR RC COLUMNS DAMAGED BY REBARS CORROSION AND STRENGTHENING THEM WITH FRP abstract

This paper presents the results of an experimental study on the structural behavior (strength and ductility) of rectangular RC columns which have been damaged by rebar corrosion. 22 small-scale reinforced concrete columns with dimensions of 160×160 mm in section and 340 mm in height were tested. Ten specimens were conditioned to three levels of accelerated corrosion and six were conditioned to natural corrosion. The specimens were subjected to concentric compression load in order to assess the change of their mechanical properties due to the corrosion effects. Twelve specimens were strengthened with carbon and glass fiber reinforced polymer (CFRP and GFRP) to see the efficiency of different strengthening schemes. Based on this research it was concluded that the damaged columns show less strength and ductility in comparison with two undamaged columns and, FRP wraps could greatly enhance the strength and ductility of damaged specimens.

AN EXPERIMENTAL STUDY ON STRUCTURAL BEHAVIOR OF RECTANGULAR RC COLUMNS DAMAGED BY REBARS CORROSION AND STRENGTHENING THEM WITH FRP Keywords:

corrosion , fibre reinforced polymer (FRP) , strength , ductility , strengthening

AN EXPERIMENTAL STUDY ON STRUCTURAL BEHAVIOR OF RECTANGULAR RC COLUMNS DAMAGED BY REBARS CORROSION AND STRENGTHENING THEM WITH FRP authors

S.M Kadkhodaee

MSc. Student, Dept of Civil Engg., School of Engg., Tehran University, Tehran, Iran

A Hosseini

Assistant Professor, School of Engg. Tehran University, Tehran, Iran

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