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Acoustic Emission Characteristics Based on Energy Mode of IMFs

  • Aijun GuEmail author
  • Linsong Sun
  • Jindong Liang
  • Wenqin Han
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 218)

Abstract

The acoustic emission (AE) characteristics of reinforced concrete components subjected to four-point bending load were investigated to identify different sources of damage. The parameter and waveform analysis were jointly performed in signal processing to extract useful information from massive AE data. The combined method adopted AE energy analysis to all signals to realize quick filter and empirical mode decomposition (EMD) to key signals to get the energy mode including energy entropy and energy vector. Further supplemented by characteristic frequency of intrinsic mode functions (IMFs), the energy mode was capable of inferring the common damage sources, e.g., the concrete deterioration or steady crack propagation, the macroscopic cracking or large crack propagation, and the moment of beam rupture.

Keywords

Acoustic emission (AE) Energy mode Empirical mode decomposition (EMD) Intrinsic mode function (IMF) Reinforced concrete 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Aijun Gu
    • 1
    Email author
  • Linsong Sun
    • 1
  • Jindong Liang
    • 1
  • Wenqin Han
    • 2
  1. 1.School of Hydraulic, Energy and Power EngineeringYangzhou UniversityYangzhouChina
  2. 2.School of Material EngineeringJiangsu University of TechnologyChangzhouChina

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