Finite Element Analysis of Thermal Stress on FBG-GFRP

Abstract:

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This paper investigates the influence of thermal stress on FBG embedded in GFRP bar by the finite element analysis and the calibration test. The temperature sensitivity coefficient of smart FBG-GFRP analyzed by FEM is 17.42 pm/°C, which is about 1.65-fold of bare FBG’s namely 10.53 pm/°C. And the coefficient got by calibration test is 17.6 pm/°C. The result shows that the influence of thermal on FBG is very big, after encapsulated and before used in structure, the temperature sensitivity coefficient of FBG must be calibrated.

Info:

Periodical:

Advanced Materials Research (Volumes 243-249)

Edited by:

Chaohe Chen, Yong Huang and Guangfan Li

Pages:

1253-1256

DOI:

10.4028/www.scientific.net/AMR.243-249.1253

Citation:

L. Sun et al., "Finite Element Analysis of Thermal Stress on FBG-GFRP", Advanced Materials Research, Vols. 243-249, pp. 1253-1256, 2011

Online since:

May 2011

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Price:

$35.00

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