# citation: Willingshofer, E.; Rosenau, M. (2025): Ring-shear test data of quartz sand SIBELCO S80 used for analogue modelling in the Tectonic Laboratory (TecLab) at Utrecht University. GFZ Data Services. https://doi.org/10.5880/fidgeo.2025.024
# License: Creative Commons Attribution 4.0 International (CC BY 4.0); http://creativecommons.org/licenses/by/4.0/
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# Results of the linear least-squares method
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# Parameter	Coeff. of internal friction	Std. deviation (Coeff.)	Cohesion [Pa]	Std. deviation (Coh.) [Pa]
Peak friction:	0.745	0.005	-6	15
Dynamic friction:	0.5888	0.0012	65	4
Reactivation friction:	0.6860	0.0023	77	7
