Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/89169
Title: A method for multiscale interpretation of fracture processes in Carrara marble specimen containing a single flaw under uniaxial compression
Authors: Wong, Louis Ngai Yuen
Xiong, Qiquan
Keywords: DRNTU::Engineering::Civil engineering
Carrara Marble
Acoustic Emission
Issue Date: 2018
Source: Wong, L. N. Y., & Xiong, Q. (2018). A Method for Multiscale Interpretation of Fracture Processes in Carrara Marble Specimen Containing a Single Flaw Under Uniaxial Compression. Journal of Geophysical Research: Solid Earth, 123(8), 6459-6490. doi : 10.1029/2018JB015447
Series/Report no.: Journal of Geophysical Research: Solid Earth
Abstract: This paper presents a method for continuous multiscale observation of uniaxial compressive tests of Carrara marble specimens containing a single preexisting artificially created flaw. The experiments aim at analyzing the associated mesoscale‐macroscale phenomena in the fracture process of the specimens. In the macroscale, the crack types are observed and characterized by optical observation using a camcorder and a high‐speed camera. In the mesoscale, the crack types are analyzed and characterized by the moment tensor inversion of acoustic emission. For the experimental investigation on the fracture process on specimens containing a single preexisting flaw, it is the first time quantitative and continuous interpretation and comparison of the mesoscale‐macroscale fracture process have become available. The present findings provide substantial improvement on our understanding of the mesoscale‐macroscale fracture process in rock specimens containing a single preexisting flaw. In addition, the experimental results provide insightful information about the laboratory scale fault extension and propagation and laboratory scale acoustic emission moment‐frequency distribution. The findings are helpful for establishing the link between the laboratory scale tests and the tectonic scale seismic activities.
URI: https://hdl.handle.net/10356/89169
http://hdl.handle.net/10220/46186
ISSN: 2169-9356
DOI: 10.1029/2018JB015447
Schools: School of Civil and Environmental Engineering 
Rights: © 2018 American Geophysical Union (AGU). This paper was published in Journal of Geophysical Research: Solid Earth and is made available as an electronic reprint (preprint) with permission of American Geophysical Union (AGU). The published version is available at: [http://dx.doi.org/10.1029/2018JB015447]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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