Experimental Research on the Stiffness of CFRP Reinforced Concrete Beam

Xin Xu; Zheng Liu; Xue Han; Chao Ge

doi:10.4028/www.scientific.net/AMR.744.436

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 744Experimental Research on the Stiffness of CFRP...

Experimental Research on the Stiffness of CFRP Reinforced Concrete Beam

Abstract:

This thesis analyses the destruction mode, the crack developing and beam deflection changes of 20 reinforced concrete beams including un-strengthened beam, direct strengthened beam and secondary load reinforced beam through tests and researches. The results show that using CFRP to strengthen the reinforced concrete beams will not only effectively increase the bearing capacity of the beam, but also inhibit the beam cracking and improve the flexural rigidity of the beam during normal use. In addition, the initial damage will have a certain impact on the stiffness of the strengthened beam.

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Periodical:

Advanced Materials Research (Volume 744)

Pages:

436-439

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.744.436

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Online since:

August 2013

Authors:

Xin Xu, Zheng Liu, Xue Han, Chao Ge

Keywords:

Carbon Fiber Reinforced Polymer/Plastic (CFRP), Reinforced Concrete (RC) Beam, Secondary Load, Stiffness, Strengthen

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References

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