Paper Title:
Experimental Research on the Flexural Performance of the Strengthened Concrete Beams with Prestressed CFRP
  Abstract

Three-bending experiments were performed on RC beams strengthened with prestressed CFRP under static and cycle loading. Prestressed CFRP obviously increases the load-carrying capacity and fatigue life of strengthened RC beam. And it greatly increases the flexural stiffness of strengthened beam. The failure modes of the beams go through concrete cracking, CFRP debonding from concrete and beam fractured. The vertical flexibility history at midspan is decomposed into three stages. And then fatigue damage is defined by flexural stiffness and its evolvement shows three stages of nucleation, growth and mutation.

  Info
Periodical
Advanced Materials Research (Volumes 255-260)
Edited by
Jingying Zhao
Pages
105-108
DOI
10.4028/www.scientific.net/AMR.255-260.105
Citation
G. W. Yao, Y. L. Wei, S. Y. Li, "Experimental Research on the Flexural Performance of the Strengthened Concrete Beams with Prestressed CFRP", Advanced Materials Research, Vols. 255-260, pp. 105-108, 2011
Online since
May 2011
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$32.00
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