Acoustic Emission Monitoring of Chemically Bonded Anchors
- Authors: Rizzo, P; Spada, A; Degala, S; Giambanco, G
- Publication year: 2010
- Type: Articolo in rivista (Articolo in rivista)
- Key words: Anchor rods, Pullout tests, Acoustic emission, Parameter analysis, Moment tensor, Intensity analysis
- OA Link: http://hdl.handle.net/10447/77179
Abstract
This paper presents a study on the use of acoustic emission (AE) to assess the structural soundness of concrete reinforced with chemically bonded anchors. The results of an experimental work based on six pullout tests monitored using an AE instrumentation suite are reported below. In every test one rebar was embedded in the hardened concrete by means of polyester resin. The AE was adopted to moni- tor the onset and progression of any structural damage. The parametric analysis, the intensity analysis and the moment tensor analysis of AE data were used to discriminate among different sources of damage. The technique shows promise for field application and may contribute to fully understand the structural mechanism in the rebar/adhesive/concrete sys- tems.