Modelli di pannelli murari rinforzati con fibre naturali : analisi numerica e sperimentale

Assunta Venneri 1 Paul Taforel 2 Frédéric Dubois 3
2 M3 - Modélisation Mathématique en Mécanique
LMGC - Laboratoire de Mécanique et Génie Civil : UMR 5508
3 Remics - Réseaux, Moyens Informatiques, Calcul Scientifique
LMGC - Laboratoire de Mécanique et Génie Civil
Abstract : The present work aims to check for the effectiveness of the shear reinforcement on masonry panels by using a composite made by the union of unidirectional hemp fibers with hydraulic mortar, specific for strengthening interventions on masonry. The study deals with the simulation of in-plane shear action on masonry walls through diagonal compression tests on externally reinforced masonry panels. The first experimental results have already shown a significant increase in shear strength and stiffness compared to the samples tested without reinforcement. The panels have been subsequently discretized in the computer code LMGC90. Particularly, the model proposed for the composite strips takes into account only the fibre tensile failure mode with the hypothesis of perfect adhesion between reinforcement and masonry support. The numerical analysis are in good agreement with experimental data, showing the validity of this first numerical modeling approach for the reinforcement.
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  • HAL Id : hal-00806840, version 1



Assunta Venneri, Paul Taforel, Frédéric Dubois. Modelli di pannelli murari rinforzati con fibre naturali : analisi numerica e sperimentale. AIAS, Sep 2011, Palerme, Italy. 10p., 2011. 〈hal-00806840〉



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