Three-Point Bending Test Evaluation of Concrete Specimens by Non-Traditional Analysis of Acoustic Emission Method

Abstract:

The aim of the paper is focused on the analysis of the mechanical properties of the concrete specimens with plasticizer at three point bending test by the signal analysis of the acoustic emission signal. The evaluations were compared the measurement and the results obtained with theoretical presumptions. The Joint Time Frequency Analysis applied on measurement data and its evaluation is described. It is well known that the Acoustic Emission Method is a very sensitive method to determine active cracks into structure. However, evaluation of acoustic emission signals is very difficult. A non-traditional method was used to signal analysis of burst acoustic emission signals recorded during three point bending test.

• Periodical: Applied Mechanics and Materials (Volume 837)
• Pages: 198-202
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.837.198
• Online since: June 2016
• Authors: Lubos Pazdera*, Libor Topolář, Tomáš Vymazal, Petr Daněk, Jaroslav Smutny
• Keywords: Acoustic Emission Method, Analysis, Concrete, Non-Destructive Testing, Non-Traditional Analysis, Three Point Bend Test

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