Cementitious bond degradation during cyclic shear loading, studied by contact electrical resistance measurement

Jingyao Cao; D. D.L. Chung

doi:10.1023/A:1017997728355

Cementitious bond degradation during cyclic shear loading, studied by contact electrical resistance measurement

Jingyao Cao
, D. D.L. Chung

Department of Mechanical and Aerospace Engineering

SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

Degradation of the cementitious bond between steel rebar and concrete and that between old and new mortar under cyclic shear loading was observed nondestructively by measuring the contact electrical resistance of the joint. Degradation, which caused a decrease in bond strength but no visual damage, was indicated by an abrupt increase in the resistance at a small fraction of the fatigue life. Bond failure was also accompanied by an abrupt increase in resistance.

Original language	English
Pages (from-to)	4345-4349
Number of pages	5
Journal	Journal of Materials Science
Volume	36
Issue number	18
DOIs	https://doi.org/10.1023/A:1017997728355
State	Published - Sep 15 2001

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title = "Cementitious bond degradation during cyclic shear loading, studied by contact electrical resistance measurement",

abstract = "Degradation of the cementitious bond between steel rebar and concrete and that between old and new mortar under cyclic shear loading was observed nondestructively by measuring the contact electrical resistance of the joint. Degradation, which caused a decrease in bond strength but no visual damage, was indicated by an abrupt increase in the resistance at a small fraction of the fatigue life. Bond failure was also accompanied by an abrupt increase in resistance.",

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AU - Cao, Jingyao

AU - Chung, D. D.L.

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N2 - Degradation of the cementitious bond between steel rebar and concrete and that between old and new mortar under cyclic shear loading was observed nondestructively by measuring the contact electrical resistance of the joint. Degradation, which caused a decrease in bond strength but no visual damage, was indicated by an abrupt increase in the resistance at a small fraction of the fatigue life. Bond failure was also accompanied by an abrupt increase in resistance.

AB - Degradation of the cementitious bond between steel rebar and concrete and that between old and new mortar under cyclic shear loading was observed nondestructively by measuring the contact electrical resistance of the joint. Degradation, which caused a decrease in bond strength but no visual damage, was indicated by an abrupt increase in the resistance at a small fraction of the fatigue life. Bond failure was also accompanied by an abrupt increase in resistance.

UR - https://www.scopus.com/pages/publications/0035883397

U2 - 10.1023/A:1017997728355

DO - 10.1023/A:1017997728355

M3 - Article

AN - SCOPUS:0035883397

SN - 0022-2461

VL - 36

SP - 4345

EP - 4349

JO - Journal of Materials Science

JF - Journal of Materials Science

IS - 18

ER -

Cementitious bond degradation during cyclic shear loading, studied by contact electrical resistance measurement

Abstract

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