Historical masonry structures are vulnerable to differential settlements of the ground. This vulnerability is potentially higher for historic buildings on wooden pile foundations, which can have their bearing capacity reduced by material deterioration. In order to protect such buildings from the effect of soil subsidence it is therefore essential assessing their response to settlements. The aim of this paper is to investigate the settlement-induced damage on a stone masonry façade. For the first time, experimental testing and computational analyses were performed on a scaled model of a specific existing historic structure, the Loggia palace in Brescia, Italy. Differential settlements were applied to dry blocks and mortar joints models of the façade. Experimental results showed the capability of the façade to reach a new equilibrium configuration following the subsidence of two adjacent columns. This approach can be used to assess the behaviour of similar structures. The validated numerical model confirms the interpretation of the failure mechanism and has the potential to allow extending the approach to a wider range of settlement and structural scenarios, as well as to different buildings.
(2020). Analysis of a scaled stone masonry facade subjected to differential settlements [journal article - articolo]. In INTERNATIONAL JOURNAL OF ARCHITECTURAL HERITAGE. Retrieved from http://hdl.handle.net/10446/172303
Analysis of a scaled stone masonry facade subjected to differential settlements
Marini, Alessandra;Riva, Paolo;Giuriani, Ezio Pilar;
2020-01-01
Abstract
Historical masonry structures are vulnerable to differential settlements of the ground. This vulnerability is potentially higher for historic buildings on wooden pile foundations, which can have their bearing capacity reduced by material deterioration. In order to protect such buildings from the effect of soil subsidence it is therefore essential assessing their response to settlements. The aim of this paper is to investigate the settlement-induced damage on a stone masonry façade. For the first time, experimental testing and computational analyses were performed on a scaled model of a specific existing historic structure, the Loggia palace in Brescia, Italy. Differential settlements were applied to dry blocks and mortar joints models of the façade. Experimental results showed the capability of the façade to reach a new equilibrium configuration following the subsidence of two adjacent columns. This approach can be used to assess the behaviour of similar structures. The validated numerical model confirms the interpretation of the failure mechanism and has the potential to allow extending the approach to a wider range of settlement and structural scenarios, as well as to different buildings.File | Dimensione del file | Formato | |
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Giardina_et_al_2019_Analysis of a scaled stone masonry facade.pdf
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IJAH_Loggia_accepted.pdf
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Descrizione: “This is an Accepted Manuscript version of the following article, accepted for publication in International Journal of Architectural Heritage - Giardina, G., Marini, A., Riva, P., & Giuriani, E. (2019). Analysis of a scaled stone masonry facade subjected to differential settlements. International Journal of Architectural Heritage, 14(10), 1502–1516. https://doi.org/10.1080/15583058.2019.1617911 It is deposited under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.” https://authorservices.taylorandfrancis.com/publishing-open-access/open-access-cost-finder/
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