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RELIABILITY OF STRAIN AND TEMPERATURE MEASUREMENTS BASED ON FIBER BRAGG GRATINGS SENSORS IN THE EARLY AGE OF CONCRETE SHRINKAGE

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Abstract

Reliability of optical fiber Bragg grating sensors is evaluated, for measuring strain and temperature inside concrete beam structures during the first 24 hours, where occurs more than the 70% of the total shrinkage of concrete.

© 2014 Optical Society of America

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