Real-time condition monitoring of concrete structures by embedded optical fibers

Document Type

Conference Proceeding

Publication Date

1-1-1992

Abstract

Fiber optic sensor methodology has matured to the point where the impact of this new technology is now evident, especially in aeronautics and space structure applications. External perturbations such as strain, pressure, and vibrations induce a change in the phase, intensity, or the wavelength of the lightwave propagating through the fiber. This change in one or more properties of light can then be related to the parameter being measured. Unfortunately, fiber optic sensors have not been fully employed in condition monitoring of civil structures. In the study reported here a brief survey of technical literature identifies some of the recent research activities in the application of fiber optic sensor technology to civil structures. The development and testing of a new sensor for measurement of internal deformations due to formation of cracks in concrete structures will be described.

Identifier

0026765167 (Scopus)

ISBN

[0872628876]

Publication Title

Nondestructive Testing of Concrete Elements and Structures

First Page

49

Last Page

59

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