An accurate evaluation of the non-linear behavior of masonry structural elements in existing buildings still represents a complex issue that rigorously requires non-linear finite element strategies difficult to apply to real large structures. Nevertheless, for the static and seismic assessment of existing structures, involving the contribution of masonry materials, engineers need reliable and e...

Plane-stress and shell macromodels are often preferred to analyze masonry structures because of their numerical efficiency. However, they misestimate the hysteretic behavior structures. Additionally, due nature smeared cracks, cracks may be diffused. This article proposes a new orthotropic model, which focuses on cyclic, nonlinear brick The model adopts total-strain based rotating crack approac...

Abstract. In this paper the effectiveness of application a hemp biocomposite reinforcement at extrados masonry barrel vault was investigated. To aim, two specimens unreinforced (UV) and reinforced (RV) vaults were built having same geometry with brickwork material subjected to shaking table seismic tests. The comparison dynamic behavior between carried out by increasing intensity input, which s...

Though flexible diaphragms play a role in the seismic behaviour of unreinforced masonry buildings, effect connections between floors and walls is rarely discussed or explicitly modelled when simulating response such buildings. These are most commonly timber made planks beams, which supported on recesses can slide friction resistance reached. Using equivalent frame models, we capture effects bot...

An analytical procedure based on the SLaMA (Simplified Lateral Mechanism Analysis) method is proposed for seismic vulnerability assessment of UnReinforced Masonry (URM) structures. The considers an equivalent frame discretization structure (pier, spandrel, and joint elements) includes: (i) evaluation moment?rotation capacity curves at each pier-spandrel subassembly; (ii) hierarchy strength in (...

The structural assessment of doubly-curved vaulted masonry structures, such as pavilion vaults, poses challenges specific to their high degree indeterminacy. Two-dimensional equilibrium analysis methods may provide a lower bound load or displacement capacity, but they do not accurately describe the three-dimensional (3D) behaviour these particularly when shear deformation (e.g. sliding) is impo...

The seismic risk of the buildings of Barcelona, Spain, is analyzed by using a method based on the capacity spectrum. The seismic hazard in the area of the city is described by means of the reduced 5% damped elastic response spectrum. Obtaining fragility curves for the most important building types of an urban center requires an important amount of information about the structures and the use of...