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Combination of non-destructive testing methods for the assessment of masonry structures

Title: Combination of non-destructive testing methods for the assessment of masonry structures
Author(s): C. Maierhofer
Paper category : conference
Book title: RILEM Symposium on On Site Assessment of Concrete, Masonry and Timber Structures - SACoMaTiS 2008
Editor(s): L. Binda, M. di Prisco, R. Felicetti
Print-ISBN: 978-2-35158-061-5
e-ISBN: 978-2-35158-075-2
Publisher: RILEM Publications SARL
Publication year: 2008
Pages: 715 - 726
Total Pages: 12
Nb references: 27
Language: English

Abstract: For assessing the condition of historic masonry structures during regular maintenance, for planning and performance of restoration measures and for quality assurance after reconstruction, detailed knowledge is required about the internal structure as well as about material properties. Non-destructive and minor destructive testing methods offer possibilities to border critical areas, to detect structural differences and to amend the reliability of statistic evidence relative to or in addition to selective material extractions and investigations. In recent years, commercial systems or specifically developed systems like ground penetrating radar, ultrasonic, sonics, microseismics, geoelectric, impulse-thermography and flat-jack have been applied to non-destructive testing of historic buildings. But in most cases, only one of these methods has been applied, usually executing only single point measurements or twodimensional profiles. And very often the results of these investigations were difficult to interpret and the data were analysed only qualitatively. Strategies for an effective and useful combination of different methods for laboratory and on-site application will be discussed.

Online publication: 2009-05-26
Publication type : full_text
Public price (Euros): 0.00

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