Abstract
Acoustic emission (AE) techniques have been widely studied in concrete engineering and are presently being applied to monitoring concrete structures in service. In order to assess the damage levels of the structures, a criterion based on the Kaiser effect of AE is proposed in the recommended practice recently published by the Japanese Society for Non-Destructive Inspection. New AE parameters of load and calm ratio are defined for qualification of the damages. Accordingly, the feasibility of the damage qualification is experimentally examined using reinforced concrete (RC) beams damaged under incremental cyclic loading. It was found that the damages qualified by the 2 ratios were in good agreement with actual damages of the beams. This suggests that the damages of such RC structures in service as bridges, docks, and buildings are quantitatively assessed by simply applying cyclic loading and monitoring AE activity.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
