Fracture process zone size and true fracture energy of concrete using acoustic emission
Abstract
Acoustic emission (AE) energy, instead of amplitude, associated with each of the event is used to estimate the fracture process zone (FPZ) size. A steep increase in the cumulative AE energy of the events with respect to time is correlated with the formation of FPZ. Based on the AE energy released during these events and the locations of the events, FPZ size is obtained. The size-independent fracture energy is computed using the expressions given...
Paper Details
Title
Fracture process zone size and true fracture energy of concrete using acoustic emission
Published Date
Apr 1, 2010
Volume
24
Issue
4
Pages
479 - 486
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