Digital image correlation analysis of interfacial debonding properties and fracture behavior in concrete

David Corr; Matteo Accardi; Lori Graham-Brady; Surendra Shah

doi:10.1016/j.engfracmech.2006.01.035

Digital image correlation analysis of interfacial debonding properties and fracture behavior in concrete

David Corr^*, Matteo Accardi, Lori Graham-Brady, Surendra Shah

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article

143 Scopus citations

Abstract

The use of digital image correlation (DIC) as a fracture mechanics tool is described, for two projects currently underway. The goal of the first project is to examine the bond between carbon fiber reinforced polymers (CFRP) and concrete substrates. The second project involves the interfacial transition zone (ITZ) of plain concrete, and the softening and fracture behavior of this region. For both projects, DIC allows for precise measurement of the surface displacements of the deforming materials. The resulting strain data are higher in resolution than is possible with other experimental techniques. For both projects, the DIC results are being used to determine bond constitutive laws, which will be the basis for fracture mechanics studies of the materials.

Original language	English (US)
Pages (from-to)	109-121
Number of pages	13
Journal	Engineering Fracture Mechanics
Volume	74
Issue number	1-2
DOIs	https://doi.org/10.1016/j.engfracmech.2006.01.035
State	Published - Jan 1 2007

Keywords

Debonding
Fracture
Image correlation
Interface

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1016/j.engfracmech.2006.01.035

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Corr, D., Accardi, M., Graham-Brady, L., & Shah, S. (2007). Digital image correlation analysis of interfacial debonding properties and fracture behavior in concrete. Engineering Fracture Mechanics, 74(1-2), 109-121. https://doi.org/10.1016/j.engfracmech.2006.01.035

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