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Proceedings 2018, 2(8), 546; https://doi.org/10.3390/ICEM18-05431

Detachment of Plasters in Masonry Buildings: Analysis by Acoustic Emission and Numerical Simulation

Department of Structural, Geotechnical and Building Engineering, Politecnico di Torino, 10129 Turin, Italy
Presented at the 18th International Conference on Experimental Mechanics (ICEM18), Brussels, Belgium, 1–5 July 2018.
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Published: 9 July 2018

Abstract

An innovative laboratory procedure is described for testing the mechanical adhesion of new dehumidified mortars applied in the restoration works. A specific adherence test was carried out on composite specimens made by stone block and repair mortar. During the laboratory test the acoustic emission (AE) technique was employed, in order to estimate the amount of energy released from fracture propagation in the adherence surface between mortar and stone. A numerical simulation follows the experimental data. The evolution of detachment process of mortar in a coupled stone brick–mortar system was analysed by AE signals, which can improve the numerical model and predict the failure mode in the adhesion surface of repair plaster.
Keywords: historical masonry; acoustic emission; plaster detachment; repair mortar; laboratory test historical masonry; acoustic emission; plaster detachment; repair mortar; laboratory test
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Grazzini, A.; Lacidogna, G.; Valente, S.; Accornero, F. Detachment of Plasters in Masonry Buildings: Analysis by Acoustic Emission and Numerical Simulation. Proceedings 2018, 2, 546.

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