The paper concerns with the debonding analysis of reinforced concrete beams strengthened by a fibre reinforced cementitious mortar system made with fabric meshes of PBO (short of Polypara-phenylene-benzo-bisthiazole) fibres disposed along two orthogonal directions externally bonded to concrete surfaces with a cement based mortar. Some PBO-FRCM strengthened reinforced concrete beams were tested varying the strengthening configuration. Experimental results were considered for a comparison with predictions of a non-linear numerical model developed for the debonding analysis of strengthened concrete structures. Obtained results give evidence of the influence of the PBO-FRCM configuration on the occurrence of debonding failure modes.

Debonding analysis of reinforced concrete beams strengthened with fibre reinforced cementitious mortar

OMBRES, Luciano
2012-01-01

Abstract

The paper concerns with the debonding analysis of reinforced concrete beams strengthened by a fibre reinforced cementitious mortar system made with fabric meshes of PBO (short of Polypara-phenylene-benzo-bisthiazole) fibres disposed along two orthogonal directions externally bonded to concrete surfaces with a cement based mortar. Some PBO-FRCM strengthened reinforced concrete beams were tested varying the strengthening configuration. Experimental results were considered for a comparison with predictions of a non-linear numerical model developed for the debonding analysis of strengthened concrete structures. Obtained results give evidence of the influence of the PBO-FRCM configuration on the occurrence of debonding failure modes.
2012
Debonding; Reinforced-concrete; Fibre-reinforced cementitious mortar
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11770/147716
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