Scaling and Universality in Rock Fracture

Jörn Davidsen, Sergei Stanchits, and Georg Dresen
Phys. Rev. Lett. 98, 125502 – Published 22 March 2007

Abstract

We present a detailed statistical analysis of acoustic emission time series from laboratory rock fracture obtained from different experiments on different materials including acoustic emission controlled triaxial fracture and punch-through tests. In all considered cases, the waiting time distribution can be described by a unique scaling function indicating its universality. This scaling function is even indistinguishable from that for earthquakes suggesting its general validity for fracture processes independent of time, space, and magnitude scales.

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  • Received 12 September 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.125502

©2007 American Physical Society

Authors & Affiliations

Jörn Davidsen*

  • British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, United Kingdom

Sergei Stanchits and Georg Dresen

  • GeoForschungszentrumZentrum Potsdam, Department 3.2, Telegraphenberg D423, 14473 Potsdam, Germany

  • *Present address: Complexity Science Group, Department of Physics and Astronomy, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada. Electronic address: davidsen@pks.mpg.de

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Vol. 98, Iss. 12 — 23 March 2007

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