Abstract
Recently, composite materials are widely applied to the civil structures due to their high corrosion resistance, lightweight, and high mechanical strength. Along with these conditions, a long-term and periodic measurement for damage monitoring for civil structures is imperative by fiber-reinforced plastics (FRP). The advantages of optical fiber sensing technology have attracted the attention in FRP measurement such as its long life, ready embeddedness, large-scale measurements, lack of disturbance by electrical noise, and excellent harmonization with FRP. In this study, detection of AE activity was confirmed for evaluation of precursory damage as a break using the FBG of optical fiber sensing with high-speed data sampling.
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Acknowledgment
This research was promoted by COI program “Construction of next-generation infrastructure using innovative materials - Realization of a safe and secure society that can coexist with the Earth for centuries” supported by MEXT and JST.
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Asaue, H., Shiotani, T., Nishida, T., Chang, K.C., Nakayama, H. (2017). Innovative AE Measurement by Optical Fiber Sensing for FRP. In: Shen, G., Wu, Z., Zhang, J. (eds) Advances in Acoustic Emission Technology. Springer Proceedings in Physics, vol 179. Springer, Cham. https://doi.org/10.1007/978-3-319-29052-2_19
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DOI: https://doi.org/10.1007/978-3-319-29052-2_19
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Publisher Name: Springer, Cham
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Online ISBN: 978-3-319-29052-2
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