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22 March 2021 AE monitoring of the fracture behavior of mortar specimens modified with waterproofing adhesives
A. C. Mpalaskas, D. G. Aggelis, T. E. Matikas
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Proceedings Volume 11591, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2021; 1159128 (2021) https://doi.org/10.1117/12.2584602
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
Nowadays, the use of adhesives in building materials for enhancing the mechanical properties and the final performance at the maximum level is standard practice. Moreover, the interest of the construction industry for extensively testing the effectiveness of the new modified products is increased. This study aims to examine the fracture behavior of mortar specimens modified with waterproofing adhesives using acoustic emission (AE). For the mortar beams' production, the portion of active mix water has been changed with the use of different kinds of emulsion resins for investigating the waterproofing mechanism at final usage. For this, the slurries that have been examined are commonly used at the construction of swimming pools. The specimens were tested in three-point bending and compression. The ultrasonic velocity of the samples was also determined. The results indicate that the use of adhesives in mortars can be successfully characterized by AE and ultrasonic parameters, making elastic wave nondestructive evaluation a valuable tool in the growing sector of building materials using adhesives.
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A. C. Mpalaskas, D. G. Aggelis, and T. E. Matikas "AE monitoring of the fracture behavior of mortar specimens modified with waterproofing adhesives", Proc. SPIE 11591, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2021, 1159128 (22 March 2021); https://doi.org/10.1117/12.2584602
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KEYWORDS
Adhesives
Acoustic emission
Ultrasonics
Cements
Nondestructive evaluation
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