Acoustic emission monitoring of containment structures during post-tensioning

• Published in: Engineering structures Vol. 209; p. 109930
• Main Authors: Ebrahimkhanlou, Arvin, Choi, Jongkwon, Hrynyk, Trevor D., Salamone, Salvatore, Bayrak, Oguzhan
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 15.04.2020; Elsevier BV
• Subjects: Acoustic emission; Clustering; Concrete; Concrete structures; Containment; Containment structures; Containment vessels; Defects; Delamination; Feature extraction; K-means clustering; Mohr-Coulomb theory; Pattern recognition; Pollution monitoring; Post-tensioned concrete; Post-tensioning; Prestressing; Silos; Storage tanks; Structural health monitoring; Thickness measurement; Water storage; Water tanks; Concrete structures; Containment structures; Post-tensioning; Acoustic emission; Pattern recognition; Structural health monitoring; Delamination; K-means clustering

•Acoustic emission (AE) monitoring during post-tensioning of a containment structure.•Delamination cracking in a curved, concrete containment structure.•K-mean clustering of AE features and interpreting the mechanism causing them.•Explaining AE based on the stress state and modified Mohr–Coulomb fai...