Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/5518
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dc.contributor.authorallFais, S.; DIGITA - Dipartimento di GeoIngegneria e Tecnologie Ambientali - Università di Cagliarien
dc.contributor.authorallCasula, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
dc.date.accessioned2010-01-11T11:39:51Zen
dc.date.available2010-01-11T11:39:51Zen
dc.date.issued2009-10-23en
dc.identifier.urihttp://hdl.handle.net/2122/5518en
dc.description.abstractIn this paper, we present the results of an application of in situ non-destructive acoustic techniques to analyse the state of preservation of a colonnade of an ancient church in the Central Sardinia (Italy). In particular, low frequency ultrasonic tests and seismic longitudinal wave transmission tomography (SLWTT) techniques were applied on the columns of the church in order to provide information on their state of preservation and to detect possible defects, such as zones of weakness, damages and cracks in its inner parts that cannot be visually examined. In order to improve the velocity input model for the SLWTT, a new experimental procedure based on the calculation of the cross-correlation function was proposed and usefully applied. An estimate of the accuracy of the longitudinal wave velocity measurements by SLWTT methods was carried out by application of a standard error analysis based on the law of propagation of uncertainty. Based on the results obtained with the ultrasonic and seismic investigations, we located microcores that confirmed information from the above non invasive investigations.en
dc.language.isoEnglishen
dc.publisher.nameElsevier Ltd.en
dc.relation.ispartofNDT&E Internationalen
dc.relation.ispartofseries/43 (2010)en
dc.subjectAcoustic Techniquesen
dc.subjectLongitudinal Wavesen
dc.subjectUltrasounden
dc.subjectSeismic Tomographyen
dc.titleApplication of acoustic techniques in the evaluation of heterogeneous building materialsen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber62–69en
dc.subject.INGV04. Solid Earth::04.06. Seismology::04.06.10. Instruments and techniquesen
dc.identifier.doi10.1016/j.ndteint.2009.10.004en
dc.relation.references[1] Abbaneo S, Berra M, Binda L, Fatticcioni A. Non destructive evaluation of bricks-masonry structures: calibration of sonic wave propagation procedures. In: Atti del international symposium non destructive testing in civil engineering (NDT-CE), vol. 1, Berlin, Germany, 1995. p. 253–60. [2] Binda L. Role of a Rilem committee: calibration of proposed test methods, evaluation and strengthening of existing masonry structures. In: Atti del joint international workshop, Padova, 1997. p. 1–24. [3] Casula G, Fais S, Ligas P. Experimental application of 3-D terrestrial laser scanning and acoustic tecniques in assessing the quality of stones used in monumental structures. Int J Microstruct Mater Prop 2009;4(1):45–56. [4] Concu G, Fais S. In the analysis of a viscous coupling agent effect in ultrasonic measurements. In: Proceedings of the third international conference on NDT: organized by Hellenic Society of NDT (HSNT). NDT in antiquity and nowadays skill application innovation, 15–18 October, Chania, Crete, Greece 2003. p. 104–8. [5] Christaras B, Estimation of damage at the surface of stones using nondestructive techniques. In: STREMAH 5 V. Fifth international congress of structural studies, repairs and maintenance of historical buildings, San Sebastian. Southampton: Advances in Architectural Series of Computional Mechanics Publications; 1997. p. 121–8. [6] Fais S, Ligas P, Palomba M, Tocco R. Evaluation of preservation state of monumental buildings by ND acoustic techniques and mineralogical studies. In: Galan E, Zezza F, editors. Proceedings of the fifth international symposium on protection and conservation of the cultural heritage of the Mediterranean cities. Lisse: Swets & Zeitlinger; 2002. p. 307–14. [7] NORMAL—22/86. Misura di velocit a di propagazione del suono. In: Raccomandazioni NORMAL, CNR-ICR 1986. p. 1–7. [8] Fais S, Ligas P, Tocco R. Acoustic techniques for the evaluation of the building materials of monumental structures. Geophysical Research Abstracts, European Geosciences Union General Assembly Vienna, Austria, 24–29 April 2005. p. 1–3. [9] Fais S, Casula G, Cuozzo G, Ligas P, Tocco R. Applicazione di metodologie geofisiche per la caratterizzazione delle rocce ornamentali. In: 281 Carrara Marmotec, Carrara 30 Maggio–2 Giugno 2007. [10] Galan E, Guerrero MA, Vasquez MA, Maert F. & Zezza F. Marble weathering: relation between ultrasonic data and macroscopic observation. The case of the columns of the court of the lions at the Alhambra in Granada, Spain. In: Proceedings of the second international symposium, The conservation of monuments in the Mediterranean Basin, Geneve 1991. p. 193–207. [11] Moropoulou A, Bakolas A, Aggelakopoulou E, Pineli T, Prassianakis I. Extimation of elastic constants of stones, used in historic monuments, using ultrasonic technique and correlation to their microstructure parameters. In: Proceeding of third international conference on NDT: organized by Hellenic Society of NDT (HSNT). NDT in antiquity and nowadays skill application innovation, Chania, Crete, Greece, Prassianakis, 15–18 October 2003. p. 242–5. [12] Gordon R. A tutorial on ART (Algebraic Reconstruction Technique). IEEE Trans Sci 1974;21:78–93. [13] Mazur EJ, Gordon R. Interpolative algebraic reconstruction techniques without beam partitioning for computed tomography. Med Biol Eng Comput 1995;33:82–6. [14] Zezza F. Evaluation criteria of the effectiveness of treatments by non destructive analysis. In: Proceedings of the second course of CUN University School of Monument Conservation 1993. p. 198–207. [15] Christaras B. Estimation of damage at the surface of stones using nondestructive techniques. In: STREMAH 5 V, fifth international congress of structural studies, repairs and maintenance of historical buildings, San Sebastian. Southampton: Advances in Architectural Series of Computational Mechanics Publications; 1997 pp. 121–8. [16] Taylor JR. An introduction to error analysis. The study of uncertainties in physical measurements, vol. 2. University Science Books Publisher; 1995 p. 1–327. [17] McKenzie CK, Stacey GP, Gladwin MT. Ultrasonic characteristics of a rock mass. Int J Rock Mech Min Sci Geomech Abstr 1982;19:25–30. [18] Roberts JDM, Belchamber RM, Lilley T, Betteridge D, Bishop I, Styles P. An evaluation of computerized tomography for near-surface geophysical exploration. Comput Geosci 1989;5:727–37.en
dc.description.obiettivoSpecifico1.10. TTC - Telerilevamentoen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorFais, S.en
dc.contributor.authorCasula, G.en
dc.contributor.departmentDIGITA - Dipartimento di GeoIngegneria e Tecnologie Ambientali - Università di Cagliarien
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Bologna, Bologna, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptDICAAR - University of Cagliari-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Bologna, Bologna, Italia-
crisitem.author.orcid0000-0002-8679-749X-
crisitem.author.orcid0000-0001-7934-2019-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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