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Proceedings Paper

Fiber-reinforced composites for structural health monitoring
Author(s): H. Kumagai; M. Shiraishi; H. Inada; Y. Inada; Y. Okuhara; H. Matsubara
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Paper Abstract

The authors have been studying the strain sensitive materials which are based on conductivity change resulting from structural change in percolation system. In this study, we have developed a maximum strain memory sensor, which enables to detect damage to structures easily even after a large earthquake. To confirm the performance as the sensor, tensile tests embedded into concrete specimen have been conducted. As a result, it is discovered that this sensor is sufficiently effective to diagnose cracks in the concrete structure.

Paper Details

Date Published: 11 April 2006
PDF: 8 pages
Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 617439 (11 April 2006); doi: 10.1117/12.658230
Show Author Affiliations
H. Kumagai, Shimizu Corp. (Japan)
M. Shiraishi, Shimizu Corp. (Japan)
H. Inada, Ohsaki Research Institute (Japan)
Y. Inada, Ohsaki Research Institute (Japan)
Y. Okuhara, Japan Fine Ceramics Ctr. (Japan)
H. Matsubara, Japan Fine Ceramics Ctr. (Japan)


Published in SPIE Proceedings Vol. 6174:
Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems
Masayoshi Tomizuka; Chung-Bang Yun; Victor Giurgiutiu, Editor(s)

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