Reinforced Concrete Jacketing--Interface Influence on Cyclic Loading Response

Following previous studies, the authors describe an experimental study performed to analyze the influence of the interface treatment on the seismic behavior of columns strengthened by reinforced concrete (RC) jacketing to increase their ultimate bending moment. A numerical study, subsequently conduc...

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Bibliographic Details
Published inACI structural journal Vol. 105; no. 4; pp. 471 - 477
Main Authors Júlio, Eduardo N B S, Branco, Fernando A B
Format Journal Article
LanguageEnglish
Published Farmington Hills American Concrete Institute 01.07.2008
Subjects
Bond strength
Epoxy resins
Mathematical models
Reinforced concrete
Seismic activity
Shear stress
Shear tests
Strain gauges
Studies
Surface roughness
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ISSN0889-3241
1944-7361
DOI10.14359/19861

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Summary:Following previous studies, the authors describe an experimental study performed to analyze the influence of the interface treatment on the seismic behavior of columns strengthened by reinforced concrete (RC) jacketing to increase their ultimate bending moment. A numerical study, subsequently conducted to further investigate this subject, is also presented. It has been concluded that, for undamaged columns with a bending moment/shear force ratio greater than 1.0, it is not necessary to consider any type of interface treatment before casting a RC jacket with a thickness less than 17.5% of the column width to obtain a monolithic behavior of the composite element. [PUBLICATION ABSTRACT]
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ISSN:0889-3241
1944-7361
DOI:10.14359/19861