Experimental data analysis for mechanical modelling of existing brick masonry structures

Mechanical properties are key parameters in capacity modelling of existing masonry structures. In-situ tests cannot often be performed, especially in the case of historical constructions. Therefore, some codes and guidelines emphasise that a literature review is needed to gather knowledge on material properties, suggesting some reference values as in the case of the Italian building code commentary (IBCC). According to IBCC rules, the authors selected and processed experimental data available in the literature for brick masonry, which is one of the most used building materials all around the world. Data processing was carried out accounting for both composition and conservation state of masonry. Experimental results on compressive strength, shear strength at zero confining stress, Young’s modulus, and shear modulus suggest to increase their code values. Modification factors are proposed to consider the influence of good-quality mortar and transverse connections on mechanical properties. Such results could be implemented in future code revisions.