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Failure Prediction of Two Types of Rocks Based on Acoustic Emission Characteristics
Joint Authors
Sun, Bing
Hou, Shanshan
Xie, Jiehui
Zeng, Sheng
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-11, 11 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-06-23
Country of Publication
Egypt
No. of Pages
11
Main Subjects
Abstract EN
The stability analysis of rock is an important basis to ensure the safe exploitation of underground resources and the reliable operation of space engineering.
Uniaxial compression and acoustic emission (AE) tests were carried out on two common rock samples with strong rock burst tendency.
The relationship between mechanical characteristics, AE characteristics, and rock burst tendency in the failure process of rock with different body types and the evolution of fractal characteristics of AE parameters were discussed.
Based on the cusp mutation theory, the catastrophe model of AE characteristic parameters was established to quantify the instability mechanism of rock mass.
The results show that the AE mutation rate (AEMR) of the cubic specimens increase from a low level to a high level gradually in the stable fracture stage, while that of the cylindrical specimens increase sharply to the maximum when the specimens are near failure.
The AE cumulative energy curves of cubic specimens show a “step” rise, while that of cylindrical specimens show a “gradual” rise, and the rock burst process of cubic specimens is faster.
The fractal dimension evolution mode of AE characteristic parameters of cubic specimens during uniaxial compression text is decline-rise-decline, while that of cylindrical specimen is decline-rise-decline-steeply rise.
According to the periodic change of AE cumulative energy curve, combined with the rock failure cusp mutation model, the occurrence of rock burst can be well predicted, providing certain theoretical guidance for the stability analysis of underground engineering rock mass.
American Psychological Association (APA)
Sun, Bing& Hou, Shanshan& Xie, Jiehui& Zeng, Sheng. 2019. Failure Prediction of Two Types of Rocks Based on Acoustic Emission Characteristics. Advances in Civil Engineering،Vol. 2019, no. 2019, pp.1-11.
https://search.emarefa.net/detail/BIM-1116391
Modern Language Association (MLA)
Sun, Bing…[et al.]. Failure Prediction of Two Types of Rocks Based on Acoustic Emission Characteristics. Advances in Civil Engineering No. 2019 (2019), pp.1-11.
https://search.emarefa.net/detail/BIM-1116391
American Medical Association (AMA)
Sun, Bing& Hou, Shanshan& Xie, Jiehui& Zeng, Sheng. Failure Prediction of Two Types of Rocks Based on Acoustic Emission Characteristics. Advances in Civil Engineering. 2019. Vol. 2019, no. 2019, pp.1-11.
https://search.emarefa.net/detail/BIM-1116391
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1116391