Two-dimensional electronic-speckle-pattern interferometry and concrete-fracture processes

Z. Jia; Surendra P Shah

doi:10.1007/BF02319764

Two-dimensional electronic-speckle-pattern interferometry and concrete-fracture processes

Z. Jia^*, Surendra P Shah

^*Corresponding author for this work

Civil and Environmental Engineering

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

34 Scopus citations

Abstract

Electronic-speckle-pattern interferometry (ESPI) is an optical nondestructive testing technique. A two-dimensional in-plane displacement sensitive interferometer was designed to observe progressive development of microcracking of carbon-fiber-reinforced concrete specimens subjected to tension. By using the two-dimensional ESPI system, the fracture processes, crack initiation and crack propagation of concrete specimens were monitored qualitatively and in real time. The displacement and strain fields were analyzed quantitatively by using digital image processing techniques.

Original language	English (US)
Pages (from-to)	262-270
Number of pages	9
Journal	Experimental Mechanics
Volume	34
Issue number	3
DOIs	https://doi.org/10.1007/BF02319764
State	Published - Sep 1 1994

ASJC Scopus subject areas

Mechanics of Materials
Computational Mechanics

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10.1007/BF02319764

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title = "Two-dimensional electronic-speckle-pattern interferometry and concrete-fracture processes",

abstract = "Electronic-speckle-pattern interferometry (ESPI) is an optical nondestructive testing technique. A two-dimensional in-plane displacement sensitive interferometer was designed to observe progressive development of microcracking of carbon-fiber-reinforced concrete specimens subjected to tension. By using the two-dimensional ESPI system, the fracture processes, crack initiation and crack propagation of concrete specimens were monitored qualitatively and in real time. The displacement and strain fields were analyzed quantitatively by using digital image processing techniques.",

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AB - Electronic-speckle-pattern interferometry (ESPI) is an optical nondestructive testing technique. A two-dimensional in-plane displacement sensitive interferometer was designed to observe progressive development of microcracking of carbon-fiber-reinforced concrete specimens subjected to tension. By using the two-dimensional ESPI system, the fracture processes, crack initiation and crack propagation of concrete specimens were monitored qualitatively and in real time. The displacement and strain fields were analyzed quantitatively by using digital image processing techniques.

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Two-dimensional electronic-speckle-pattern interferometry and concrete-fracture processes

Abstract

ASJC Scopus subject areas

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