Acoustic Emissions Monitoring of Hydraulic Fractures: Fracture Geometry and Aftershocks

Junxian He, Arcady Dyskin, Elena Pasternak, Seyed Hassan Fallahzadeh

Research output: Chapter in Book/Conference paperConference paperpeer-review

Abstract

We report hydraulic fracturing experiments conducted on 200 mm mortar cubic blocks with acoustic emissions registered and analysed using the Blue Shift Indicator algorithm. It reveals complex branching fracture geometry of fractal nature. Aftershocks are also observed in the experiments; the aftershock rate fits the Omori law.
Original languageEnglish
Title of host publicationProceedings of the 10th International Conference on Structural Integrity and Failure
Subtitle of host publicationAdvances in Materials and Structures
EditorsA. Kotousov, J. Ma
Place of PublicationAustralia
PublisherAustralian Fracture Group Inc.
Pages167-172
Publication statusPublished - 2016
EventInternational Conference on Structural Integrity and Failure: Advances in Materials and Structures - Adelaide, Australia
Duration: 1 Jan 201114 Jul 2016

Conference

ConferenceInternational Conference on Structural Integrity and Failure
Abbreviated titleSIF
Country/TerritoryAustralia
CityAdelaide
Period1/01/1114/07/16

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