Acoustic Emissions in Rock Deformation and Failure: New Insights from Q-Statistical Analysis-Reference-Cited by-同舟云学术

Acoustic Emissions in Rock Deformation and Failure: New Insights from Q-Statistical Analysis

Published:2023-04-21 Issue:4 Volume:25 Page:701
ISSN:1099-4300
Container-title:Entropy
language:en
Short-container-title:Entropy

Author:

Vinciguerra Sergio C.¹^ORCID,Greco Annalisa²^ORCID,Pluchino Alessandro³⁴^ORCID,Rapisarda Andrea³⁴⁵^ORCID,Tsallis Constantino⁵⁶⁷^ORCID

Affiliation:

1. Department of Earth Sciences, University of Torino, 10125 Torino, Italy

2. Department of Civil Engineering and Architecture, University of Catania, 95125 Catania, Italy

3. Department of Physics and Astronomy “Ettore Majorana”, University of Catania, 95123 Catania, Italy

4. INFN Sezione di Catania, 95123 Catania, Italy

5. Complexity Science Hub Vienna, 1080 Vienna, Austria

6. Centro Brasileiro de Pesquisas Fisicas and National Institute of Science and Technology for Complex Systems, Rio de Janeiro 22290-180, Brazil

7. Santa Fe Institute, Santa Fe, NM 87501, USA

Abstract

We propose a new statistical analysis of the Acoustic Emissions (AE) produced in a series of triaxial deformation experiments leading to fractures and failure of two different rocks, namely, Darley Dale Sandstone (DDS) and AG Granite (AG). By means of q-statistical formalism, we are able to characterize the pre-failure processes in both types of rocks. In particular, we study AE inter-event time and AE inter-event distance distributions. Both of them can be reproduced with q-exponential curves, showing universal features that are observed here for the first time and could be important in order to understand more in detail the dynamics of rock fractures.

Publisher

MDPI AG

Subject

General Physics and Astronomy

Link

https://www.mdpi.com/1099-4300/25/4/701/pdf

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