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Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0 ← back Released Dataset Ring-shear test data of quartz sand used for analogue experiments in the laboratory of the Institute of Geophysics of the Czech Academy of Science, Prague Cite as: Copy citation to clipboard Warsitzka, Michael; Závada, Prokop; Pohlenz, Andre; Rosenau, Matthias (2019): Ring-shear test data of quartz sand used for analogue experiments in the laboratory of the Institute of Geophysics of the Czech Academy of Science, Prague. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2019.008 Status I N R E V I E W : Warsitzka, Michael; Závada, Prokop; Pohlenz, Andre; Rosenau, Matthias (2019): Ring-shear test data of quartz sand used for analogue experiments in the laboratory of the Institute of Geophysics of the Czech Academy of Science, Prague. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2019.008
Abstract This dataset provides friction data from ring-shear tests (RST) for a quartz sand used in analogue experiments at the Institute of Geophysics of the Czech Academy of Science (IGCAS) (Kratinová et al., 2006; Zavada et al., 2009; Lehmann et al., 2017; Krýza et al., 2019). It is characterized by means of internal friction coefficients µ and cohesion C.
According to our analysis the materials show a Mohr-Coulomb behaviour characterized by a linear failure envelope. Peak friction coefficients µP of the tested material is ~0.75, dynamic friction coeffi-cients µD is ~0.60 and reactivation friction coefficients µR is ~0.64. Cohesions of the material range between 90 and 130 Pa. The material shows a minor rate-weakening of <1% per ten-fold change in shear velocity v.
Authors Warsitzka, Michael ;Institute of Geophysics, Czech Academy of Sciences, Prague, Czech RepublicZávada, Prokop ;Institute of Geophysics, Czech Academy of Sciences, Prague, Czech RepublicPohlenz, Andre;GFZ German Research Centre for Geosciences, Potsdam, Germany Rosenau, Matthias ;GFZ German Research Centre for Geosciences, Potsdam, GermanyContact Contributors Laboratory of the Institute of Geophysics of the Czech Academy of Science (Prag, Czech Republic); HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ Potsdam, Germany)
Keywords EPOS, Multi-scale laboratories, analogue models of geologic processes, Cohesion, Friction coefficient, deformation > fracturing, earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting, fault, Force sensor, Iron Powder, Sand > Quartz Sand, Ring-shear tester, tectonic and structural features , Cohesion, Force sensor, Friction coefficient, Iron Powder, Ring-shear tester, Sand > Quartz Sand, deformation > fracturing, earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting, fault, tectonic and structural features
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