Acoustic Emission (Ae) Techniques For The Damage Assessment Of Structures

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Date
2012
Authors
Bunnori, Nor Azura Muhamad
Johari, Megat Azmi
Kabir, Shahid
Journal Title
Journal ISSN
Volume Title
Publisher
Pusat Pengajian Kejuruteraan Awam
Abstract
Reinforced concrete (RC) has been facing several types of damage mechanism during their lifetime. The types of common defects in concrete structures are crack formation, corrosion, scalling and etc. Therefore a non destructive evaluation method such as Acoustic Emission (AE) is required for assessing the condition of the RC structures. AE testing in RC structures shows great potential in monitoring and assessing the health conditions of structures. AE is used as a tool to detect, identify, locate and quantify a variety of damage mechanism. Apart from an extensive literature studies had been done, this research had covered some tested of RC structures in locally and globally. A wide range of analysis had been explored in order to evaluate and quantify damage to enhance the research platform in Structural Health Monitoring (SHM) area. The evaluation methods that had been explored were acoustic wave velocity, Moment Tensor analysis (MTA) and intensity analysis. As a summary this research had been a triumphant study and the continuity of this research as shown in successfulness in Exploratory Research Grant Scheme (ERGS) application (RMII0,000). Apart from that few publications has been published with the financial support from this USM Short term grant.
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Keywords
Acoustic Emission Technology (AET) , Reinforced concrete (RC) , Acoustic Emission (AE) , Structural Health Monitoring (SHM)
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