Material properties of analogue velocity-weakening material used for 
seismotectonic analogue modeling of strike-slip seismic cycle: the case of 
twice-broken rice

Visage, Sarah; Souloumiac, Pauline; Maillot, Bertrand; Rosenau, M.; Kosari, Ehsan

doi:10.5880/fidgeo.2022.001

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Material properties of analogue velocity-weakening material used for seismotectonic analogue modeling of strike-slip seismic cycle: the case of twice-broken rice

Authors

Visage, Sarah

Souloumiac, Pauline

Maillot, Bertrand

/persons/resource/rosen

Rosenau, M.
4.1 Lithosphere Dynamics, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/ehsan

Kosari, Ehsan
4.1 Lithosphere Dynamics, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Visage, S., Souloumiac, P., Maillot, B., Rosenau, M., Kosari, E. (2022): Material properties of analogue velocity-weakening material used for seismotectonic analogue modeling of strike-slip seismic cycle: the case of twice-broken rice.
https://doi.org/10.5880/fidgeo.2022.001

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5009257

Abstract

This dataset provides friction data from ring-shear tests (RST) on twice broken rice used in the GEC Laboratory in CY Cergy Paris University in stick-slip experiments. They were obtained by Sarah Visage as part of her doctoral training (funded by the ANR DISRUPT programme) during an invitation at the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam. Like any granular material, the twice broken rice is characterized by several internal friction coefficients μ and cohesions C, classicaly qualified as dynamic, static, and reactivation coefficients. In adition, since the rice exhibits a stick slip behaviour, the various shear - velocity or shear-displacement curves exhibit high frequency oscillations and we therefore define maximum, minimum, and mean values corresponding respectively to the curve peaks, curve troughs and smoothed curve.