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Proceedings Paper

Fatigue test of RC beams strengthened with prestressed CFLs
Author(s): Xinyan Guo; Peiyan Huang; Guangwan Liu; Jianhe Xie
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Paper Abstract

Applying prestress to fiber reinforced polymer (FRP) can be used more efficiently since a greater portion energy of its tensile capacity is engaged. Based on carbon fiber laminate (CFL), fatigue tests are made to find out the fatigue behavior of reinforced concrete (RC) beams strengthened with prestressed CFL. The interfacial debonding is a main failure mode for RC beams strengthened with prestressed CFLs under the cyclic loading. Furthermore, it has been found that the stress value of CFLs decide whether the additional prestressing has a negative or positive effect on the fatigue behavior of the strengthened beam, and the excessive prestressing would reduce the fatigue life of the strengthened beam.

Paper Details

Date Published: 24 August 2009
PDF: 4 pages
Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 737519 (24 August 2009); doi: 10.1117/12.839052
Show Author Affiliations
Xinyan Guo, South China Univ. of Technology (China)
Peiyan Huang, South China Univ. of Technology (China)
Guangwan Liu, South China Univ. of Technology (China)
Jianhe Xie, South China Univ. of Technology (China)


Published in SPIE Proceedings Vol. 7375:
ICEM 2008: International Conference on Experimental Mechanics 2008
Xiaoyuan He; Huimin Xie; YiLan Kang, Editor(s)

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