2021
DOI: 10.3390/ma14164390
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Evaluation Approach of Fracture Behavior for Asphalt Concrete with Different Aggregate Gradations and Testing Temperatures Using Acoustic Emission Monitoring

Abstract: Different aggregate gradations of asphalt concrete possess dissimilar skeleton structures, leading to diverse macroscopic and mechanical characteristics. Acoustic emission (AE) technology can realize real-time monitoring of the whole damage evolution process of materials. The objective of the present investigation was to demonstrate the fracture characteristics of asphalt concrete with three types of aggregate gradations, including dense-graded asphalt concrete (AC), stone mastic asphalt (SMA), and open-graded… Show more

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Cited by 5 publications
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“…The rate of acoustic counts (the times an AE waveform exceeds the predefined threshold) recorded during loading and that of the AE energy release are, also, used to predict the entrance of the loaded member into the stage of impending fracture, closely related to the transition from the phase of micro-cracking to that of the coalescence of micro-cracks and the onset of macro-cracking [ 33 , 34 , 39 , 40 , 41 , 42 , 43 , 44 ]. In general, an accelerated rate of counts is considered as an indication that the specimen or structure is approaching the fracture instant [ 2 , 34 ].…”
Section: Introductionmentioning
confidence: 99%
“…The rate of acoustic counts (the times an AE waveform exceeds the predefined threshold) recorded during loading and that of the AE energy release are, also, used to predict the entrance of the loaded member into the stage of impending fracture, closely related to the transition from the phase of micro-cracking to that of the coalescence of micro-cracks and the onset of macro-cracking [ 33 , 34 , 39 , 40 , 41 , 42 , 43 , 44 ]. In general, an accelerated rate of counts is considered as an indication that the specimen or structure is approaching the fracture instant [ 2 , 34 ].…”
Section: Introductionmentioning
confidence: 99%