Analysis on Unwinding Effect of FRP-OFBG Cables

M.L. Ma; J. Guo; Hui Li; W.L. Chen

doi:10.4028/www.scientific.net/MSF.704-705.1017

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HomeMaterials Science ForumMaterials Science Forum Vols. 704-705Analysis on Unwinding Effect of FRP-OFBG Cables

Analysis on Unwinding Effect of FRP-OFBG Cables

Abstract:

As one kind of the advanced composite materials (ACM), FRP is now getting widely used in civil engineering for its advantages as light weight, electromagnetic isolation, high strength, fatigue resistance and corrosion resistance. This article wants to provide a quality control method for the FRP cables by eliminating its unwinding effect error. Firstly, two FRP-OFBG (Optical Fiber Bragg Grating) cables were fabricated in factory, and then the two specimens were tested by the MTS (material test system). Secondly, theoretical understandings with boundary conditioned formulas were provided for analysis on the unwinding process of the cable. After that the unwinding displacement of the FRP-OFBG cable was obtained by using the b-value method. Finally, a service ability assessment of the cable was given before the conclusions.

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Periodical:

Materials Science Forum (Volumes 704-705)

Pages:

1017-1023

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.704-705.1017

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Online since:

December 2011

Authors:

M.L. Ma, J. Guo, Hui Li, W.L. Chen

Keywords:

Building Material, B-Value Method, FRP, Stay Cable, Unwinding Effect

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