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A penetration test to study the mechanical response of mortar in ancient masonry buildings

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Abstract

A simple method for studying the mechanical response of the mortar in existing masonry buildings is presented herein. The method is based on the measurement of the penetration depth increment of a steel probe (4 mm diameter) at each hammer blow (impact energy=2.2 J). Numerous tests were carried out on different laboratory specimens in order to formulate a relationship between the compressive strength and the probe penetration rate, and a series of tests on actual masonry elements confirmed that the proposed relationship is sound.

Résumé

On présente une méthode d’essai simple pour évaluer la resistance à la compression des mortiers des murs existants. La méthode proposée ici est basée sur la mesure de la profondeur de pénétration d’une sonde d’acier (4 mm de diamètre), à chaque coup de scléromètre (énergie d’impact=2,2 Joule). Les résultats de nombreux essais effectués sur des éprouvettes construites en laboratoire ont permis d’obtenir une relation entre la résistance à la compression du mortier et la vitesse de pénétration de la sonde. En outre, la validité de cette méthode a été confirmée par une série d’essais effectués sur des murs existants.

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References

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Felicetti, R., Gattesco, N. A penetration test to study the mechanical response of mortar in ancient masonry buildings. Mat. Struct. 31, 350–356 (1998). https://doi.org/10.1007/BF02480678

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  • DOI: https://doi.org/10.1007/BF02480678

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