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. 2018 Feb 7;18(2):491. doi: 10.3390/s18020491

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© 2018 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Raw data of selected FBG sensors during bridge operation phase on 29 December 2015: (a) Temperature time history measured by FBG-MS-NT-2; (b) Stress time history measured by FBG-MS-NS-2-3; (c) Histogram of daily stress spectrum.