Scaling and universality in rock fracture |
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Authors: | Davidsen Jörn Stanchits Sergei Dresen Georg |
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Institution: | British Antarctic Survey, High Cross, Madingley Road, Cambridge CB3 0ET, UK. davidsen@pks.mpg.de |
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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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