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(2009)ACI Spring Convention : Serviceability of concrete members reinforced with internal/external FRP Reinforcement, Proceedings.p.95-109 Mark abstract To understand and predict the effect of externally bonded reinforcement (EBR) on the serviceability behavior of FRP (fibre-reinforced polymer) strengthened members, four-point bending tests have executed on reinforced concrete (RC) beams with span length 3.8 m (150 in.). This experimental campaign was further complemented with tests on strengthened tensile members. These so-called "tension stiffening" tests typically consist of a tensile test on a reinforcing bar embedded in a FRP strengthened concrete prism. As the FRP EBR increases the stiffness of the beams and as a denser crack pattern with smaller crack widths is obtained, the serviceability limit state (SLS) of the strengthened members is positively influenced. Hereby, the behavior in term of deflection and crack widths can be predicted in a fairly accurate way.

Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-6926313



Autor: Stijn Matthys and Luc Taerwe

Fuente: https://biblio.ugent.be/publication/6926313



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