Eficacia de anclajes para refuerzos estructurales con materiales compuestos de matriz polimérica y cementosa

Abstract

 Structural retrofitting of RC and masonry members with  composite materials has achieved great popularity in recent  years. Among these systems, a distinction can be made  between composite materials with polymeric (FRP) and cementitious (FRCM) matrices; the former are more broadly  employed, although the latter are generally acknowledged in  the field of historic constructions, especially in brick masonry.  Premature debonding has been pointed out as a critical failure  mode in FRP systems, leading to the development of a range  of anchorage techniques to delay or prevent debonding. FRCM,  suffers from a different problem, which is its weak interaction  fibres-matrix; for that reason, anchorage techniques originally  conceived for FRP have been investigated with the aim of  enhancing the performance of fibres-mortar interface in FRCM  reinforcements. This paper collects main research papers for  FRP and FRCM systems, and discusses the role of anchors  depending on the matrix of the reinforcement.