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Title: Contribution of engineering geology for the construction of a new museum gallery over an archaeological site at Lorvão Monastery, Portugal
Authors: Quinta-Ferreira, Mário 
Tiago, Paulo M. 
Henriques, João 
Alija, Santiago 
Keywords: Lorvão Monastery; archaeology; engineering geology study; SSG; SMDG; geotechnical zoning; engineering works; foundations
Issue Date: 2015
Publisher: Elsevier
Citation: Quinta-Ferreira, M.; Tiago, Paulo M; Henriques, J.; Alija, S.. 2015. "Contribution of engineering geology for the construction of a new museum gallery over an archaeological site at Lorvão Monastery, Portugal", Journal of Cultural Heritage, 16: 922 - 927. doi: 10.1016/j.culher.2015.03.009
Project: Fundação para a Ciência e Tecnologia (FCT-MEC) research project UID/Multi/00073/2013 of the Geosciences Center. 
Serial title, monograph or event: Journal of Cultural Heritage
Volume: 16
Issue: 6
Abstract: The rehabilitation of the Lorvão Monastery in Penacova, Portugal, included the construction of a new steel structure to house a museum gallery. The implementation of an archaeological excavation prior to construction revealed a mesh of ancient masonry walls, dating from the 16th to the 18th centuries, which needed to be preserved and made available for exhibition. To help understand the characteristics of this foundation ground, an engineering geology study was required, strongly conditioned by the presence of heritage, reduced space and difficult accessibility caused by the extensive temporary support used to ensure stability of the walls. The engineering geology study consisted of a detailed surface mapping, complemented by nondestructive in situ tests, the soil stiffness gauge (SSG) and the surface moisture-density gauge (SMDG) and by the use of the Bieniawski rock mass rating (RMR) geomechanical classification. Three geotechnical zones were defined. The non-invasive engineering geology study performed, proved suitable to provide the geotechnical information necessary to redesign and construct the steel structure over a challenging archaeological site, preserving the heritage.
Description: The research aimed to improve the interaction between engineering geology, archaeology and civil engineering in the construction of an engineering structure over an archaeological site of significant heritage value. Using current site investigation techniques and tests was not feasible due to difficulties accessing the exploration equipment and to the high risk of destruction of the heritage. The alternative approach used was based on a detailed engineering geology mapping of the archaeology-excavated surfaces, complemented by nondestructive measurements with portable equipment (SSG and SMDG), and by the use of the Bieniawski RMR geomechanics classification. The engineering geology approach used, proved to be effective in obtaining the information needed for the appropriate design and construction of the foundations of the steel structure, assuring the preservation of the heritage.
Other Identifiers: 10.1016/j.culher.2015.03.009
DOI: 10.1016/j.culher.2015.03.009
Rights: openAccess
Appears in Collections:I&D CGUC - Artigos em Revistas Internacionais
FCTUC Ciências da Terra - Artigos em Revistas Internacionais

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