Fiber-reinforced composites for structural health monitoring

H. Kumagai; M. Shiraishi; H. Inada; Y. Inada; Y. Okuhara; H. Matsubara

doi:10.1117/12.658230

11 April 2006 Fiber-reinforced composites for structural health monitoring

H. Kumagai, M. Shiraishi, H. Inada, Y. Inada, Y. Okuhara, H. Matsubara

Proceedings Volume 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems; 617439 (2006) https://doi.org/10.1117/12.658230
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

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.

Citation Download Citation

H. Kumagai, M. Shiraishi, H. Inada, Y. Inada, Y. Okuhara, and H. Matsubara "Fiber-reinforced composites for structural health monitoring", Proc. SPIE 6174, Smart Structures and Materials 2006: Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems, 617439 (11 April 2006); https://doi.org/10.1117/12.658230

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