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Linear correlation of bond strength and contract electrical resistivity between steel rebar and concrete

Fu, X. / Chung, D.D.L.

The bond strength and contact electrical resistivity between steel rebar and concrete were found to be linearly related, due to an interfacial phase of high volume resistivity that helps the bonding. Acetone washing of the rebar increases the bond strength slightly and decreases the contact resistivity slightly, but does not affect the linear correlation, which provides a nondestructive method for bond strength assessment.

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Linear correlation of bond strength and contract electrical resistivity between steel rebar and concrete

Fu, X. / Chung, D.D.L.

The bond strength and contact electrical resistivity between steel rebar and concrete were found to be linearly related, due to an interfacial phase of high volume resistivity that helps the bonding. Acetone washing of the rebar increases the bond strength slightly and decreases the contact resistivity slightly, but does not affect the linear correlation, which provides a nondestructive method for bond strength assessment.

Linear correlation of bond strength and contract electrical resistivity between steel rebar and concrete

Fu, X. / Chung, D.D.L.

The bond strength and contact electrical resistivity between steel rebar and concrete were found to be linearly related, due to an interfacial phase of high volume resistivity that helps the bonding. Acetone washing of the rebar increases the bond strength slightly and decreases the contact resistivity slightly, but does not affect the linear correlation, which provides a nondestructive method for bond strength assessment.

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Title:

Linear correlation of bond strength and contract electrical resistivity between steel rebar and concrete

Additional title:

Lineare Bindungsfestigkeits-Elektrokontaktwiderstandsbeziehung zwischen Beton und Stahlrippe

Contributors:

Fu, X. (author) / Chung, D.D.L. (author)

Published in:

Cement and Concrete Research ; 25 ; 1397-1402

Publication date:

1995

Size:

6 Seiten, 3 Bilder, 1 Tabelle, 3 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0008-8846(95)00133-W

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Kontaktwiderstand , Portlandzement , Natursand , Stahlbeton , Beton , Grenzfläche , mechanische Festigkeit , Energie , Messung , Wechselwirkung , elektrische Leitfähigkeit , Scherspannung , Zement , Sand , Armierung , Stahl , Grenzschicht , Korrelation , Widerstandswert (elektrisch) , Scherbeanspruchung , Wasser-Zement-Wert

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