SYMPOSIA PAPER Published: 01 January 1981
STP28344S

Acoustic Emission Signatures of Various Rock Types in Unconfined Compression

Source

An investigation of ten rock types in unconfined compression has led to four distinct types of stress versus acoustic emission response curves, that is, signatures. These are the originally proposed Mogi type, and three variations of this generalized behavior, that is, unstable, dense, and dense unstable types. They have been correlated to conceptual ideas on brittle rock behavior. Frequency analysis on all rock types at each stage of the various stress ranges has also been performed. Trends in peak frequency shifting are presented with implications as to the use of this information.

Author Information

Boyce, GM
Drexel University, Phila., Pa.
McCabe, WM
Drexel University, Phila., Pa.
Koerner, RM
Drexel University, Phila., Pa.
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Details
Developed by Committee: D18
Pages: 142–154
DOI: 10.1520/STP28344S
ISBN-EB: 978-0-8031-4816-1
ISBN-13: 978-0-8031-0788-5