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Open AccessFeature PaperArticle

Multiscale Numerical Analysis of TRM-Reinforced Masonry under Diagonal Compression Tests

1
Department of Engineering, University of Ferrara, Via Saragat 1, 44122 Ferrara, Italy
2
Centre Nationale de la Recherche Scientifique (CNRS), Centrale Marseille, Laboratoire de Mecanique et Acoustique (LMA), Aix-Marseille Université, 4 Impasse Nikola Tesla, 13013 Marseille, France
3
Composites Expertise & Solutions, 131 Traverse Penne aux Camoins, BT 4 ID Dom Actiparc 1, 13821 La Penne-sur-Huveaune, France
*
Author to whom correspondence should be addressed.
Buildings 2020, 10(11), 196; https://doi.org/10.3390/buildings10110196
Received: 23 September 2020 / Revised: 19 October 2020 / Accepted: 26 October 2020 / Published: 31 October 2020
(This article belongs to the Special Issue Advanced Methods for Structural Rehabilitation)
The present paper reports an experimental study coupled with a numerical modelling approach to simulate masonry walls strengthened with textile-reinforced mortar (TRM). This innovative reinforcing technique is based on high-strength fibre grids embedded into inorganic matrices, and it has recently been promoted for the seismic retrofitting of historical masonry buildings. In the experimental campaign presented here, two different commercial TRM systems are applied to single-leaf clay masonry panels. The specimens are then subjected to diagonal compression tests in order to evaluate the effects of TRM on the structural performance. The proposed finite element (FE) model, based on an original multiscale approach, is employed to simulate the diagonal compression tests. The numerical results show a very good agreement with the experimental data, including in terms of failure mode. In particular, the approach reproduces the macroscopic behaviour of the masonry panels as regards the force-displacement response, and it allows for the possibility of simulating bed joint sliding and TRM layer debonding. View Full-Text
Keywords: strengthening masonry; diagonal compression test; numerical analysis; interface transmission conditions; cohesive law strengthening masonry; diagonal compression test; numerical analysis; interface transmission conditions; cohesive law
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MDPI and ACS Style

Gulinelli, P.; Aprile, A.; Rizzoni, R.; Grunevald, Y.-H.; Lebon, F. Multiscale Numerical Analysis of TRM-Reinforced Masonry under Diagonal Compression Tests. Buildings 2020, 10, 196. https://doi.org/10.3390/buildings10110196

AMA Style

Gulinelli P, Aprile A, Rizzoni R, Grunevald Y-H, Lebon F. Multiscale Numerical Analysis of TRM-Reinforced Masonry under Diagonal Compression Tests. Buildings. 2020; 10(11):196. https://doi.org/10.3390/buildings10110196

Chicago/Turabian Style

Gulinelli, Pietro; Aprile, Alessandra; Rizzoni, Raffaella; Grunevald, Yves-Henri; Lebon, Frédéric. 2020. "Multiscale Numerical Analysis of TRM-Reinforced Masonry under Diagonal Compression Tests" Buildings 10, no. 11: 196. https://doi.org/10.3390/buildings10110196

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