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| /The combination of limit analysis of rigid solids with linear programing represents an effective tool to estimate the maximum load capacity for a masonry structure. This procedure is commonly applied to bi-dimensional systems for which its effectiveness has been already proved. This work shows an original way to extend the classical plane formulation to threedimensional ribbed systems. In this study, different examples to obtain the critic load of masonry have been carried out for three dimensional structures. Afterwards these procedures have been applied in four masonry ribbed vaults that have been built and tested to collapse for experimental contrasting. For each model of vault, the most favorable mode of load application has been determined. Finally, the analysis of the results has been performed by means of a comparison between the analytical estimation of maximum load capacity with those obtained in the experimental tests. This paper shows the main limitations of the extension of the classic plane formulation from two to three dimensions and highlights the difficulty of building and testing complex masonry structures. | |
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Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería |
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