fracture energy of the concrete–FRP interface in strengthened beams

•Debonding of FRP plates from concrete beams is a tensile fracture of concrete.•The steel bars limit the extent to which the fracture process zone can develop.•The fracture energy is independent of the length of the existing crack.•Fracture energy value obtained from small test specimens should be u...

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Veröffentlicht in:	Engineering fracture mechanics 2013-09, Vol.110, p.38-51
Hauptverfasser:	Achintha, Mithila, Burgoyne, Chris
Format:	Artikel
Sprache:	eng
Schlagworte:	Beams (structural) Concretes Crack initiation Debonding Fiber reinforced plastics Fracture mechanics Fracture toughness Interface Mathematical models Mixed-mode Strengthened beams
Online-Zugang:	Volltext
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