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Acoustic Emission‐Based Evaluation and Mechanistic Analysis of Instability Failure in Concrete Materials.

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Title: Acoustic Emission‐Based Evaluation and Mechanistic Analysis of Instability Failure in Concrete Materials.
Authors: Wang, Zonglian1 (AUTHOR), Zhou, Xiaoqiang1 (AUTHOR), Hou, Qingsen1 (AUTHOR), Li, Dan2 (AUTHOR) lidan@seu.edu.cn, Hu, Jianhong1 (AUTHOR), Chen, Dijian1 (AUTHOR), Tan, Xiao (AUTHOR) xiaotan@hhu.edu.cn
Source: Advances in Civil Engineering. 6/29/2026, Vol. 2026, p1-11. 11p.
Subjects: Acoustic emission, Wavelet transforms, Structural health monitoring, Compression loads, Structural failures, Frequency-domain analysis, Entropy (Information theory), Deterioration of concrete
Abstract: This study presents a quantitative method for assessing concrete damage based on acoustic emission (AE) signal analysis. Employing AE to monitor damage evolution under uniaxial compressive loading in real time. The collected signals were subjected to two‐layer wavelet packet decomposition (WPD) to obtain four frequency bands. Subsequently, the corresponding wavelet packet energy spectrum coefficients were calculated, from which the wavelet packet energy entropy was derived to characterize the energy distribution features of the AE signals. The evolution of wavelet packet energy spectrum coefficients and wavelet packet energy entropy during the concrete damage process was analyzed, showing that in the unstable failure stage the number of AE signals with energy highly concentrated in the low‐frequency band rises sharply, and the corresponding entropy decreases markedly compared with the stable damage stage. The physical mechanism of this phenomenon was further investigated. The results show that the abrupt variation of wavelet packet energy entropy can effectively characterize the critical transition of concrete from stable damage evolution to unstable failure, providing a quantitative indicator for structural health monitoring and early warning of concrete structures. [ABSTRACT FROM AUTHOR]
Copyright of Advances in Civil Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Acoustic Emission‐Based Evaluation and Mechanistic Analysis of Instability Failure in Concrete Materials.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Zonglian%22">Wang, Zonglian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Xiaoqiang%22">Zhou, Xiaoqiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hou%2C+Qingsen%22">Hou, Qingsen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Dan%22">Li, Dan</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> lidan@seu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hu%2C+Jianhong%22">Hu, Jianhong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Dijian%22">Chen, Dijian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tan%2C+Xiao%22">Tan, Xiao</searchLink> (AUTHOR)<i> xiaotan@hhu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Advances+in+Civil+Engineering%22">Advances in Civil Engineering</searchLink>. 6/29/2026, Vol. 2026, p1-11. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Acoustic+emission%22">Acoustic emission</searchLink><br /><searchLink fieldCode="DE" term="%22Wavelet+transforms%22">Wavelet transforms</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+health+monitoring%22">Structural health monitoring</searchLink><br /><searchLink fieldCode="DE" term="%22Compression+loads%22">Compression loads</searchLink><br /><searchLink fieldCode="DE" term="%22Structural+failures%22">Structural failures</searchLink><br /><searchLink fieldCode="DE" term="%22Frequency-domain+analysis%22">Frequency-domain analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Entropy+%28Information+theory%29%22">Entropy (Information theory)</searchLink><br /><searchLink fieldCode="DE" term="%22Deterioration+of+concrete%22">Deterioration of concrete</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study presents a quantitative method for assessing concrete damage based on acoustic emission (AE) signal analysis. Employing AE to monitor damage evolution under uniaxial compressive loading in real time. The collected signals were subjected to two‐layer wavelet packet decomposition (WPD) to obtain four frequency bands. Subsequently, the corresponding wavelet packet energy spectrum coefficients were calculated, from which the wavelet packet energy entropy was derived to characterize the energy distribution features of the AE signals. The evolution of wavelet packet energy spectrum coefficients and wavelet packet energy entropy during the concrete damage process was analyzed, showing that in the unstable failure stage the number of AE signals with energy highly concentrated in the low‐frequency band rises sharply, and the corresponding entropy decreases markedly compared with the stable damage stage. The physical mechanism of this phenomenon was further investigated. The results show that the abrupt variation of wavelet packet energy entropy can effectively characterize the critical transition of concrete from stable damage evolution to unstable failure, providing a quantitative indicator for structural health monitoring and early warning of concrete structures. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Advances in Civil Engineering is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1155/adce/2379699
    Languages:
      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Acoustic emission
        Type: general
      – SubjectFull: Wavelet transforms
        Type: general
      – SubjectFull: Structural health monitoring
        Type: general
      – SubjectFull: Compression loads
        Type: general
      – SubjectFull: Structural failures
        Type: general
      – SubjectFull: Frequency-domain analysis
        Type: general
      – SubjectFull: Entropy (Information theory)
        Type: general
      – SubjectFull: Deterioration of concrete
        Type: general
    Titles:
      – TitleFull: Acoustic Emission‐Based Evaluation and Mechanistic Analysis of Instability Failure in Concrete Materials.
        Type: main
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          Name:
            NameFull: Wang, Zonglian
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            NameFull: Zhou, Xiaoqiang
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            NameFull: Hou, Qingsen
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            NameFull: Li, Dan
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            NameFull: Hu, Jianhong
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            – D: 29
              M: 06
              Text: 6/29/2026
              Type: published
              Y: 2026
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              Value: 16878086
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              Value: 2026
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            – TitleFull: Advances in Civil Engineering
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