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Amplitude distribution of emission wave for cracking process

Shahidan, Shahiron and Mohd Zuki, Sharifah Salwa and Abdul Rahim, Mustaqqim and Ali, Noorwirdawati and Mohamad, Noridah (2016) Amplitude distribution of emission wave for cracking process. In: IConCEES 2015, 1-2 December 2015, Melaka, Malaysia.

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Acoustic emission technique is a method of assessment for structural health monitoring system. This technique is an effective tool for the evaluation of any system without destroying the material conditions. It enables early crack detections and has very high sensitivity to crack growth. The crack patterns in concrete beam have been identified according to the type of cracking process and the crack classifications using the AE data parameters are mainly based on the AE amplitude, rise time, and average frequency. These data parameters have been analysed using statistical methods of b-value analysis. This research paper will mainly focus on the utilization of statistical b-value analysis in evaluating the emission amplitude distribution of concrete beams. The beam specimens (150 X 250 X 1900) mm were prepared in the laboratory system and tested with the four point bending test using cyclic loading together with acoustic emission monitoring system. The results showed that this statistical analysis is promising in determining the cracking process in concrete beams.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA630-695 Structural engineering (General)
Divisions: Faculty of Civil and Environmental Engineering > Department of Structural and Material Engineering
Depositing User: Mr. Mohammad Shaifulrip Ithnin
Date Deposited: 13 Aug 2018 03:25
Last Modified: 13 Aug 2018 03:25
URI: http://eprints.uthm.edu.my/id/eprint/8682
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