Journal of Materials and Engineering Structures
Volume 13, Numéro 2, Pages 297-309
2026-06-30
Optimizing Frcm Retrofitting Through Fem: Effects Of Matrix Thickness, Mesh Size, And Textile Geometry
Authors : Calò Silvia . Brahimi Hakim . Si Salem Abdelmadjid . Cascardi Alessio . Nekmouche Aghiles .
Abstract
In Heritage constructions preservation, compatibility with existing materials, long-term durability, and structural performance are critically required. In this respect, the strengthening or repair of masonry panels using inorganic-based composite systems such as Fabric-Reinforced Cementitious Matrix (FRCM) has become an effective and increasingly adopted strategy. While experimental studies have widely demonstrated their capacity to enhance in-plane resistance and deformation capacity, the comprehensive assessment of damage processes within the strengthened system remains limited. Accordingly, this study presents a validated numerical investigation of the nonlinear shear response of masonry systems, including descriptions of the experimental models and the corresponding adopted material laws. Parametric analyses were conducted to assess the influence of the matrix thickness, textile mesh size, and their configuration on the ultimate shear capacity and the corresponding failure mode. Results in terms of shear stress and damage distribution indicate that the mechanical compatibility between the matrix and the fabric is crucial for providing an optimal retrofitting design.
Keywords
Masonry walls ; FRCM ; FEM ; Damage ; Retrofit
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