Ring-shear test data of quartz sand – silicate cenospheres mixtures used for analogue experiments at the Institute of Geophysics of the Czech Academy of Science, Prague

Warsitzka, Michael; Závada, Prokop; Krýza, Ondřej; Pohlenz, Andre; Rosenau, Matthias;

2021-09 || GFZ Data Services

This dataset provides friction data from ring-shear tests (RST) for mixtures of quartz sand and sili-cate cenospheres, which are used for analog experiments in the laboratory of the Institute of Geo-physics of the Czech Academy of Science (IG CAS) (Warsitzka et al., 2021). The mixtures have been characterized by means of internal friction coefficients µ and cohesion C as a remote service by the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam.

According to our analysis the materials show a Mohr-Coulomb behaviour characterized by a linear failure envelope. Peak friction coefficients µP of the tested materials range between 0.55 and 0.75, dynamic friction coefficients µD between 0.47 and 0.60 and reactivation friction coefficients µR be-tween 0.52 and 0.65. Cohesions of the materials vary between 20 and 120 Pa. The materials show a minor rate-weakening of <1.2% per ten-fold change in shear velocity v.

Originally assigned keywords

Corresponding MSL vocabulary keywords

MSL enriched keywords

Originally assigned sub domains
  • analogue modelling of geologic processes
MSL enriched sub domains
  • rock and melt physics
  • analogue modelling of geologic processes
Source http://doi.org/10.5880/fidgeo.2021.024
Source publisher GFZ Data Services
DOI 10.5880/fidgeo.2021.024
License CC BY 4.0
Authors
  • Warsitzka, Michael
  • 0000-0003-1774-5888
  • Institute of Geophysics, Czech Academy of Sciences, Prague, Czech Republic

  • Závada, Prokop
  • 0000-0003-1702-3770
  • Institute of Geophysics, Czech Academy of Sciences, Prague, Czech Republic

  • Krýza, Ondřej
  • 0000-0003-3324-9251
  • Institute of Geophysics, Czech Academy of Sciences, Prague, Czech Republic

  • Pohlenz, Andre
  • GFZ German Research Centre for Geosciences, Potsdam, Germany

  • Rosenau, Matthias
  • 0000-0003-1134-5381
  • GFZ German Research Centre for Geosciences, Potsdam, Germany
References
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  • Warsitzka, M., Závada, P., Pohlenz, A., & Rosenau, M. (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 [Data set]. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2019.008
  • 10.5880/GFZ.4.1.2019.008
  • Cites

  • Warsitzka, M., Závada, P., Jähne-Klingberg, F., & Krzywiec, P. (2021). Contribution of gravity gliding in salt-bearing rift basins – a new experimental setup for simulating salt tectonics under the influence of sub-salt extension and tilting. Solid Earth, 12(8), 1987–2020. https://doi.org/10.5194/se-12-1987-2021
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  • IsSupplementTo
Contact
  • Rosenau, Matthias
  • GFZ German Research Centre for Geosciences, Potsdam, Germany
  • rosen@gfz-potsdam.de
Citation Warsitzka, M., Závada, P., Krýza, O., Pohlenz, A., & Rosenau, M. (2021). Ring-shear test data of quartz sand – silicate cenospheres mixtures used for analogue experiments at the Institute of Geophysics of the Czech Academy of Science, Prague (Version 1) [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.2021.024