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Complex fracture on thin-wall textile reinforced cement (TRC) shells monitored by acoustic emission

Tijdschriftbijdrage - Tijdschriftartikel

Novelly-designed thin-wall TRC shells are tested simulating service loads. The study tracks the main damage modes (cracking/interfacial delamination) using the Acoustic emission (AE) wave parameter trends and based on it, a novel multi-sensing and multi-input (experiments/simulations) methodology is built. It is shown that stronger shell curvature influences the stress field and the damage mode towards shear, something monitored by early AE even before visible cracks occur, while boundary conditions and the textiles volume content also have an effect on the TRC shell damage progress. The AE inspection efficacy is critically assessed considering the detrimental wave attenuation effect.

Tijdschrift: Thin-Walled Structures
ISSN: 0263-8231
Volume: 167
Jaar van publicatie:2021
Trefwoorden:Textile reinforced cement (TRC), Shell, Acoustic emission (AE), Digital image correlation, Fracture mode, Attenuation
BOF-keylabel:ja
IOF-keylabel:ja
BOF-publication weight:2
Auteurs:Regional
Authors from:Higher Education
Toegankelijkheid:Closed