On the analysis of Catalan thin vaults

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This paper is concerned with the identification, modelling and analysis of thin layered vaults, typical in the Catalan constructions of the XIX century. Thesespecial structures, also known as bovedas tabicadas, are characterized by very low thickness with respect to the medium surface dimensions and by the presence of different superimposed layers of bricks tied with mortar, are studied in order to individuate a coherent mechanical model for describing the material behaviour, to recognize the structural response utilizing as comparison adequate experimental results, and to extend the obtained results for the analysis of newvaults or for the restoration design of existing vaults. Firstly, the constitutivematerial is studied by effecting a compression and bending test on samples takenfrom a real structure. The characterization is made by considering alternatively the material as homogeneous or stratified. Once the constitutive behaviour of the materials and of the structural elements has been experimentally characterized, a semi inverse method for the identification of the optimum mechanical parameters of an equivalent homogeneous ideal material and of a stratified one, is adopted on the grounds of finite element analysis, reproducing the executed experimental tests. The comparison between the results obtained experimentallyand the ones based on numerical tests allows us to make evaluations on the mechanical characteristics of the identified materials and proves that the stratified model better describes the behaviour of the real material. Further experimental tests have been made on a real vault and the related numerical analysis has developed making reference to the two material mechanical models. The obtained results are encouraging in the utilization of the stratified model.
Lingua originaleEnglish
Titolo della pubblicazione ospiteHigh Performance Structures and Materials V
Numero di pagine12
Stato di pubblicazionePublished - 2010

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All Science Journal Classification (ASJC) codes

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