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Historic Barrel Vaults Undergoing Differential Settlements

Lookup NU author(s): Dr Vasilis SarhosisORCiD

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Taylor and Francis Inc., 2020.

For re-use rights please refer to the publisher's terms and conditions.


Abstract

© 2019, © 2019 Taylor & Francis. A principal reason of damage in historic masonry vaults consists in relative displacements of the vaults’ abutments. Excluding the case of seismic-induced damage, cracks are often produced by differential settlements generated by the lateral wall instability or soil degradation (e.g., due to stress concentrations, non-uniform soil stratigraphy, flooding phenomena etc.). When dealing with historic vaults, the effects of long-term deformation processes cannot often be linked directly to causes, which may also be unknown. In this article, the effects of differential settlements on historic masonry barrel vaults are investigated. An efficient 3D contact-based model was developed to reproduce experiments on a scaled pointed barrel vault (representative of a typology of late-medieval barrel vaults in Scotland) under non-uniform differential settlement. First, the numerical model is used to simulate the experimental campaign, achieving good agreement in terms of crack pattern (longitudinal shear) and transverse-longitudinal deformation profiles. Then, further analyses are carried out to gain insight on the effects of several plausible uniform and non-uniform settlement patterns on representative historic barrel vaults. Various settlement configurations were analysed and complex failure patterns observed. This study could help analysts in understanding the nature of on-going deformation process in historic masonry vaults and engineers in the design of strengthening strategies.


Publication metadata

Author(s): D'Altri AM, De Miranda S, Castellazzi G, Sarhosis V, Hudson J, Theodossopoulos D

Publication type: Article

Publication status: Published

Journal: International Journal of Architectural Heritage

Year: 2020

Volume: 14

Issue: 8

Pages: 1196-1209

Online publication date: 03/04/2019

Acceptance date: 13/03/2019

Date deposited: 23/05/2019

ISSN (print): 1558-3058

ISSN (electronic): 1558-3066

Publisher: Taylor and Francis Inc.

URL: https://doi.org/10.1080/15583058.2019.1596332

DOI: 10.1080/15583058.2019.1596332


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