Abstract
The investigation of the physical and mechanical properties of stones in monuments needs non-destructive methods and small quantity of testing material. The non-destructive methods can be divided into laboratory andin situ techniques. P P S wave ultrasonic velocities and Schmidt hammer can be used for bothin situ and laboratory measurements, in contrast to the mechanical resonance frequency and abrasion resistance that can be used only for investigation in the laboratory. In the present paper the above methods were used for the study of properties such as mechanical anisotropy, weathering degree, mechanical strength and deformation ability of stones, using data from Italy, France, Malta and Pacific Ocean.
Résumé
La recherche des propriétés physiques et mécaniques des pierres des monuments doit untiliser des méthodes non destructives et des échantillons de dimensions réduites. La mesure de la vitesse des ondes P & S et le marteau Schmidt peuvent être utilisées en laboratoire aussi bien quein situ, contrairement à la fréquence de résonance mécanique et à la résistance à l'abrasion qui sont des méthodes utilisable seulement en laboratoire. Dans le présent article ces méthodes ont été utilisées pour étudier des propriétés telles que l'anisotropie mécanique, le degré d'altération, la résistance mécanique et la déformabilité des pierres en utilisant des données provenat d'Italie, de France, de Malte et de l'Océan Pacifique.
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Christaras, B. Non destructive methods for investigation of some mechanical properties of natural stones in the protection of monuments. Bulletin of the International Association of Engineering Geology 54, 59–63 (1996). https://doi.org/10.1007/BF02600697
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DOI: https://doi.org/10.1007/BF02600697