Keywords: Out-of-plane behaviour of masonry walls, Composite materials, FRCM reinforcing systems, bond-slip, Non-linear modeling, Macro-model approach. Abstract. The use of Fibre Reinforced Cementitious Matrix (FRCM) materials, is becoming a very common technique of retrofitting for historical and monumental masonry buildings. This technique, if compared to the use of fiber polymeric materials (FRP) , is more compatible with the mechanical property of the masonry and more appropriate with the

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... eservation needs of cultural heritage, associated to the historical constructions. The effectiveness of such a type of reinforcement for improving the out-of-plane seismic capacity of masonry walls, in comparison with traditional reinforcements with steel tie-bars, was investigated in a previous experimental campaign. In the present work, a macro-modeling approach, already available in the literature for modeling masonry structures with plane and curved geometry, was used to predicting the out-of-plane response of masonry structures reinforced by means of FRCM. The model was validated by mean of the simulation of the previous cited experimental tests.