Interface Properties of Cracked RC Beams Strengthened with Prestressed Hybrid FRP - Part II: Crack Location

Yong Chang Guo; Jian He Xie; Di Liu

doi:10.4028/www.scientific.net/AMR.243-249.5483

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 243-249Interface Properties of Cracked RC Beams...

Interface Properties of Cracked RC Beams Strengthened with Prestressed Hybrid FRP - Part II: Crack Location

Abstract:

This study is the second part of investigation into the interface mechanical performances of cracked reinforced concrete (RC) beams strengthened with prestressed hybrid fiber reinforced polymer (HFRP). Four cases of difference crack location are considered by establishing finite element analysis models to discuss the effort of crack location on the interface stresses in the strengthened beams. The analysis results indicate that the flexural crack obviously changes the distributing of the interface stresses, and an abrupt increase of the stresses arise at the crack location. Moreover, when the crack location is closer from the interface end, the change rate of the stresses is larger.

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Periodical:

Advanced Materials Research (Volumes 243-249)

Pages:

5483-5486

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.243-249.5483

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Online since:

May 2011

Authors:

Yong Chang Guo, Jian He Xie, Di Liu

Keywords:

Crack Location, Hybrid Fiber Reinforced Polymer (HFRP), Interface Stress, Pre-Stress, Strengthen

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