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A collaborative engineering and archaeology project to investigate decay in historic rammed earth structures: the case of the medieval preceptory in Ambel

Miccoli, L.; Gerrard, C.M.; Perrone, C.; Gardei, A.; Ziegert, C.

A collaborative engineering and archaeology project to investigate decay in historic rammed earth structures: the case of the medieval preceptory in Ambel Thumbnail


Authors

L. Miccoli

C. Perrone

A. Gardei

C. Ziegert



Abstract

This study assesses the structural vulnerability of part of a later medieval earthen building at Ambel (near Zaragoza, Spain), once a preceptory or monastic house belonging to the Military Orders. An inspection of its morphology and materials coupled with the results of an extensive campaign of static monitoring reveals marked structural inhomogeneities, the product of more than a thousand years of construction, failure and repair from the 10th century to the present day. Building materials are inappropriately juxtaposed, there are discontinuities between construction phases and fundamental concerns remain over the long-term stability of the structure. The current condition of the structure is mainly influenced by structural discontinuities introduced at the time of construction, the unintended consequences of repair and modification and the material decay that has affected the base of the rammed earth walls. The overall findings of the static monitoring show that there is no related damage, variations in crack widths are related to the building seasonal cycle. While static analysis is an essential prerequisite before a suitable maintenance program can be fully defined, this study argues that no evaluation of the structural behaviour of any historic building can afford to ignore its archaeological ‘biography’ of modification and repair.

Citation

Miccoli, L., Gerrard, C., Perrone, C., Gardei, A., & Ziegert, C. (2017). A collaborative engineering and archaeology project to investigate decay in historic rammed earth structures: the case of the medieval preceptory in Ambel. International Journal of Architectural Heritage: Conservation, Analysis and Restoration, 11(5), 636-655. https://doi.org/10.1080/15583058.2016.1277283

Journal Article Type Article
Acceptance Date Dec 23, 2016
Online Publication Date Jan 19, 2017
Publication Date Jul 4, 2017
Deposit Date Jan 10, 2017
Publicly Available Date Mar 29, 2024
Journal International Journal of Architectural Heritage: Conservation, Analysis and Restoration
Print ISSN 1558-3058
Electronic ISSN 1558-3066
Publisher Taylor and Francis Group
Peer Reviewed Peer Reviewed
Volume 11
Issue 5
Pages 636-655
DOI https://doi.org/10.1080/15583058.2016.1277283

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