Strain Transfer Analysis of FBG Sensors Bonded on the Surface of Structure

Hong Wei Song; Li Kun Qin; Xue Yong Zuo; Yuan Li

doi:10.4028/www.scientific.net/AMR.1065-1069.1638

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Strain Transfer Analysis of FBG Sensors Bonded on...

Strain Transfer Analysis of FBG Sensors Bonded on the Surface of Structure

Abstract:

Health monitoring of civil engineering has been widely required in construction, operation and service-life prediction. FBG sensors, a kind of the most efficient sensing elements, for the superior advantages of small size, high sensitivity, long-term stability and durability, good geometrical shape-versatility, corrosion resistance and anti-electromagnetic interference, are highly applied in different engineering fields. Measurement precision of this sensor is paid attention and strain transfer analysis is developed to give an explanation on the testing mechanism and provide the quantitative strain transfer error modification functions. Theoretical derivation on strain transfer analysis of sensors with debonding interface is executed and related functions have been offered to eliminate the strain transfer error. Research in this article is meaningful for improving the precision of FBG sensors with debonding interface, which is helpful for much long-term detection of structures.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

1638-1642

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.1638

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Online since:

December 2014

Authors:

Hong Wei Song*, Li Kun Qin, Xue Yong Zuo, Yuan Li

Keywords:

Debonding Interface, FBG Sensor, Strain Transfer Analysis, Structural Health Monitoring

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