Ring-shear test data of quartz sand G12 used for analogue experiments in the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam

Cite as:

Rosenau, Matthias; Pohlenz, Andre; Kemnitz, Helga; Warsitzka, Michael (2018): Ring-shear test data of quartz sand G12 used for analogue experiments in the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2019.003

Status

I N R E V I E W : Rosenau, Matthias; Pohlenz, Andre; Kemnitz, Helga; Warsitzka, Michael (2018): Ring-shear test data of quartz sand G12 used for analogue experiments in the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam. GFZ Data Services. https://doi.org/10.5880/GFZ.4.1.2019.003

Abstract

This dataset provides friction data from ring-shear tests (RST) for a quartz sand (“G12”). This material is used in various types of analogue experiments in the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam for simulating brittle rocks in the upper crust. The material has been characterized by means of internal friction coefficients µ and cohesions C. According to our analysis the material shows a Mohr-Coulomb behaviour characterized by a linear failure envelope and peak, dynamic and reactivation friction coefficients of µP = 0.69, µD = 0.55 and µR = 0.62, respectively. Cohesions C are in the order of 50 – 110 Pa. The material shows a minor rate-weakening of <1% per ten-fold change in shear velocity.

Further information about materical characteristics, measurement procedures, sample preparation, the RST (Ring-shear test) and VST (Velocity stepping test) procedure, as well as the analysed method is proviced in the data description file. The list of files explains the file and folder structure of the data set.

Authors

Rosenau, Matthias;GFZ German Research Centre for Geosciences, Potsdam, Germany
Pohlenz, Andre;GFZ German Research Centre for Geosciences, Potsdam, Germany
Kemnitz, Helga;GFZ German Research Centre for Geosciences, Potsdam, Germany
Warsitzka, Michael;GFZ German Research Centre for Geosciences, Potsdam, Germany

Contact

Rosenau, Matthias (Lab manager); GFZ German Research Centre for Geosciences, Potsdam, Germany; ➦

Contributors

HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ Potsdam, Germany)

Keywords

analogue models of geologic processes, EPOS, multi-scale Laboratories, property data of analogue modelling materials, software tools, Cohesion, Friction coefficient, deformation > fracturing, earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting, fault, Force sensor, Matlab (Mathworks), Ring-shear tester, Sand > Quartz Sand, tectonic and structural features, Cohesion, Force sensor, Friction coefficient, Matlab (Mathworks), 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

GCMD Science Keywords

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