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dc.contributor.authorIannucci, Roberto-
dc.contributor.authorMartino, Salvatore-
dc.contributor.authorPaciello, Antonella-
dc.contributor.authorD'Amico, Sebastiano-
dc.identifier.citationIannucci, R., Martino, S., Paciello, A., & D’Amico, S. (2017). Rock mass characterization coupled with seismic noise measurements to analyze the unstable cliff slope of the Selmun Promontory (Malta). Procedia Engineering, 191, 263-269.en_GB
dc.description.abstractIn the Mediterranean area, cliff slopes represent widespread high-risk landforms as they are highly frequented touristic places often interested by landslide processes. Malta represents a significant case study as several cliffs located all around the island are involved in instability processes, as evidenced by wide block-size talus distributed all along the coast line. These diffused instabilities are related to the predisponding geological setting of Malta Island, i.e. the over-position of grained limestone on plastic clay deposits, that induces lateral spreading phenomena associated to falls and topples of different-size rock blocks and is responsible for a typical landscape with stable plateau of stiff rocks bordered by unstable cliff slopes. The ruins of Għajn adid Tower, the first of the thirteen watchtowers built in 1658 by the Gran Master Martin de Redin, stand out in the Selmun area. Currently the safety of this important heritage site, already damaged by an earthquake on October 12th 1856, is threaten by a progressive moving of the landslide process towards the stable plateau area. During autumn 2015, a field-campaign was realized to characterize the jointed rock mass. A detailed engineering-geological survey was carried out to reconstruct the geological setting and to define the mechanical properties of the rock mass. Based on the surveyed joint spatial distribution, 58 single-station noise measurements were deployed to cover both the unstable zone and the stable area. The obtained 1-hour records were analyzed in the frequency domain for associating vibrational evidences to different instability levels, i.e. deriving the presence of already isolated blocks by the local seismic response. The here presented results can be a useful contribute to begin to asses defense strategies for the Selmun Promontory, in the frame of managing the landslide risk in the study area and preserving the local historical heritage.en_GB
dc.subjectCliffs -- Maltaen_GB
dc.subjectSeismic prospecting -- Maltaen_GB
dc.subjectLandslide hazard analysis -- Maltaen_GB
dc.subjectGħajn Ħadid Tower (Mellieħa, Malta)en_GB
dc.titleRock mass characterization coupled with seismic noise measurements to analyze the unstable cliff slope of the Selmun Promontory (Malta)en_GB
dc.rights.holderThe copyright of this work belongs to the author(s)/publisher. The rights of this work are as defined by the appropriate Copyright Legislation or as modified by any successive legislation. Users may access this work and can make use of the information contained in accordance with the Copyright Legislation provided that the author must be properly acknowledged. Further distribution or reproduction in any format is prohibited without the prior permission of the copyright holder.en_GB
dc.bibliographicCitation.conferencenameISRM European Rock Mechanics Symposium - EUROCK 2017en_GB
dc.bibliographicCitation.conferenceplaceOstrava, Czech Republic, 20-22/06/2017en_GB
dc.publication.titleProcedia Engineeringen_GB
Appears in Collections:Scholarly Works - FacSciGeo

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