Geological risk assessment of Amtoudi Agadir in southern Morocco: a key case for sustainable cultural heritage

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Title: Geological risk assessment of Amtoudi Agadir in southern Morocco: a key case for sustainable cultural heritage
Authors: Robles Marín, Pedro | Guerrera, Francesco | Martín-Martín, Manuel | Raffaelli, Giuliana | Alcalá, Francisco J. | Tejera de León, Julián | Cherkaoui, Taj-Eddine | Asebriy, Lahcen | El Amrani, Iz-Eddine | Moliner-Aznar, Santiago
Research Group/s: Evolución Geodinámica de la Cordillera Bética Oriental y de la Plataforma Marina de Alicante | Ingeniería del Terreno y sus Estructuras (InTerEs)
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil | Universidad de Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente
Keywords: Anti-Atlas Chain | Berber heritage | Risk factors | Local economy | Propositions
Knowledge Area: Ingeniería del Terreno | Geodinámica Interna
Issue Date: Jan-2015
Publisher: Springer Science+Business Media Dordrecht
Citation: Natural Hazards. 2015, 75(1): 415-440. doi:10.1007/s11069-014-1329-7
Abstract: Medieval fortified granaries known as “agadirs” are very common in southern Morocco, being catalogued as world cultural heritage by United Nations. These Berber buildings (made of stones and tree trunks) usually located on rocky promontories, constitute historical testimonials related to the origin of Morocco, and, as tourist attractions, have a positive impact on the local economy. The sustainability of these ancient monuments requires geological-risk evaluations of the massif stability under the agadir with the proposal of stabilization measures, and an architectonic analysis with appropriate maintenance of the structural elements. An interdisciplinary study including climate, seismicity, hydrology, geology, geomorphology, geotechnical surveys of the massif, and diagnosis of the degradation of structural elements have been performed on the Amtoudi Agadir, selected as a case study. The main findings from this study are that the prevalent rocks used for construction (coming from the underlying substratum) are good-quality arkosic sandstones; the SW cliffs under the agadir are unstable under water saturation; some masonry walls are too thin and lack interlocking stones and mortar; and failures in the beams (due to flexure, fracture, and exhaustion in the resistance due to insect attacks or plant roots) are common. The basic risk assessment of ancient buildings of cultural heritage and their geologic substratum are needed especially in undeveloped areas with limited capacity to implement durable conservation policies. Therefore, recommendations have been provided to ensure the stability and maintenance of this important archaeological site.
Sponsor: This research was supported by Urbino University found (Resp. F. Guerrera); by CGL2011-30153-CO2-02 and CGL2012-32169 research project (Spanish Ministry of Education and Science); and by research groups and projects of the Generalitat Valenciana from Alicante University (CTMAIGA).
URI: http://hdl.handle.net/10045/53209
ISSN: 0921-030X (Print) | 1573-0840 (Online)
DOI: 10.1007/s11069-014-1329-7
Language: eng
Type: info:eu-repo/semantics/article
Rights: © Springer Science+Business Media Dordrecht 2014. The final publication is available at Springer via http://dx.doi.org/10.1007/s11069-014-1329-7
Peer Review: si
Publisher version: http://dx.doi.org/10.1007/s11069-014-1329-7
Appears in Collections:INV - GEODIN - Artículos de Revistas
INV - INTERES - Artículos de Revistas

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