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Proceedings Paper

Wireless sensors for monitoring corrosion in reinforced concrete members
Author(s): Jarkko T. Simonen; Matthew M. Andringa; Kristi M. Grizzle; Sharon L. Wood; Dean P. Neikirk
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Paper Abstract

This paper summarizes the ongoing work at the University of Texas to develop a class of passive, wireless sensors to detect corrosion in reinforced concrete structures. Two prototype sensors have been developed that are designed to be attached to the reinforcing cage before the concrete is placed. The basic and improved sensors are inexpensive to fabricate, sufficiently durable to survive the construction process, can be interrogated through concrete, and provide reliable information about the initiation of corrosion in the adjacent reinforcement. Because the sensors do not contain an internal battery, the expected life of the sensors is expected to be essentially the same as the design life of the structure in which they are embedded.

Paper Details

Date Published: 29 July 2004
PDF: 10 pages
Proc. SPIE 5391, Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, (29 July 2004); doi: 10.1117/12.539529
Show Author Affiliations
Jarkko T. Simonen, Univ. of Texas/Austin (United States)
Matthew M. Andringa, Univ. of Texas/Austin (United States)
Kristi M. Grizzle, Walter P. Moore and Associates (United States)
Sharon L. Wood, Univ. of Texas/Austin (United States)
Dean P. Neikirk, Univ. of Texas/Austin (United States)


Published in SPIE Proceedings Vol. 5391:
Smart Structures and Materials 2004: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems
Shih-Chi Liu, Editor(s)

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