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Proceedings Paper

Self-monitoring concrete
Author(s): Xuli Fu; Deborah D. L. Chung
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Paper Abstract

Self-monitoring of slight fatigue damage was demonstrated in cement mortar containing short carbon fibers (0.24 vol.%), as damage (occurring in the first less than or equal to 10% of the tensile or compressive fatigue life) caused the volume electrical resistivity to decrease irreversibly by up to 2%. The greater the stress amplitude, the greater the damage, the greater the resistivity decrease and the greater the number of stress cycles for which the resistivity decrease monotonically occurred. The resistivity decrease is attributed to the damage of the cement matrix separating adjacent fibers at their junction.

Paper Details

Date Published: 22 April 1996
PDF: 7 pages
Proc. SPIE 2719, Smart Structures and Materials 1996: Smart Systems for Bridges, Structures, and Highways, (22 April 1996); doi: 10.1117/12.238854
Show Author Affiliations
Xuli Fu, SUNY/Buffalo (United States)
Deborah D. L. Chung, SUNY/Buffalo (United States)


Published in SPIE Proceedings Vol. 2719:
Smart Structures and Materials 1996: Smart Systems for Bridges, Structures, and Highways
Larryl K. Matthews, Editor(s)

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