A simplified model to assess out-of-plane response of rubble masonry walls derived from experimental evidence

R. Fonti, R. Barthel, A. Borri, R. Savelli, M. Candela

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper addresses the problem of assessing the seismic resistance of rubble masonry walls subject to normal lateral forces. An improvement of the common displacement-based procedure to evaluate masonry vulnerability under seismic loads is presented with respect to isolated panels. Recommendations for the selection of an appropriate level of degradation, especially for historicalwalls, are also given. These subjects have been examined by means of experimental quasi-static pushover tests on existing walls. Three main observations, which are considered as typical for rubble masonry, were analyzed through on site experiments. These being: (i) a strong changing of stiffness associated to the motion of the pivot points, (ii) a secondary mode of damage which goes with a new fully cracked cross-section, and (iii) a comparison between the overturning and envelope curves. Additionally, reinforcement procedures were tested, focusing on the influence of cross-sectional interlocks. Therefore, predictions of the overturning forces and displacements required to cause failures of cantilever walls are compared with the results of the quasi-static experiments using the force-equilibrium formulations.

Original languageEnglish
Title of host publicationStructural Analysis of Historical Constructions
Subtitle of host publicationAnamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016
EditorsKoen Van Balen, Els Verstrynge, Koen Van Balen
PublisherCRC Press/Balkema
Pages1324-1331
Number of pages8
ISBN (Print)9781138029514
StatePublished - 2016
Externally publishedYes
Event10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016 - Leuven, Belgium
Duration: 13 Sep 201615 Sep 2016

Publication series

NameStructural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016

Conference

Conference10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016
Country/TerritoryBelgium
CityLeuven
Period13/09/1615/09/16

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