2026-06-09T10:20:08Zhttp://doidb.wdc-terra.org/oaip/oai

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false4DOIDB.GFZ 10.5880/GFZ.4.1.2018.003 Deng, Bin Bin Deng 0000-0002-5482-7826 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China Schönebeck, Jan Jan Schönebeck GFZ German Research Centre for Geosciences, Potsdam, Germany Warsitzka, Michael Michael Warsitzka 0000-0003-1774-5888 GFZ German Research Centre for Geosciences, Potsdam, Germany Rosenau, Matthias Matthias Rosenau 0000-0003-1134-5381 GFZ German Research Centre for Geosciences, Potsdam, Germany Ring-shear test data of different quartz sands and glass beads used for analogue experiments in the experimental laboratory of the Chengdu University of Technology (EPOS Transnational Access Call 2017) GFZ Data Services 2018 EPOS Multi-scale laboratories analogue models of geologic processes property data of analogue modelling materials transnational access TNA software tools EARTH SCIENCE > SOLID EARTH > TECTONICS EARTH SCIENCE SERVICES > DATA ANALYSIS AND VISUALIZATION > CALIBRATION/VALIDATION earth interior setting > crust setting > continental-crustal setting > upper continental crustal setting deformation > fracturing fault tectonic and structural features Microspheres Sand > Quartz Sand Ring-shear tester Force sensor Friction coefficient Cohesion Deng, Bin Bin Deng 0000-0002-5482-7826 State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China Schönebeck, Jan Jan Schönebeck GFZ German Research Centre for Geosciences, Potsdam, Germany Warsitzka, Michael Michael Warsitzka 0000-0003-1774-5888 GFZ German Research Centre for Geosciences, Potsdam, Germany Rosenau, Matthias Matthias Rosenau 0000-0003-1134-5381 GFZ German Research Centre for Geosciences, Potsdam, Germany HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ Potsdam, Germany) GFZ German Research Centre for Geosciences, Potsdam, Germany State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of Technology, Chengdu 610059, China en 10.1016/j.tecto.2016.01.017 10.1002/2016JB012915 10.1016/j.jsg.2015.03.008 10.1002/ceat.200303112 https://www.springer.com/de/book/9783540737674 https://doi.org/10.1002/gj.3642 2134326 Bytes 3 Files application/octet-stream application/pdf application/pdf 1 CC BY 4.0 This dataset provides friction data from ring-shear tests (RST) on natural and artificial granular materials used for analogue modelling in the experimental laboratory of the Chengdu University of Technology (CDUT, China). Six samples, four types of quartz sands and two types of glass beads, have been characterized by means of friction coefficients µ and cohesions C. The material samples have been analysed at the Helmholtz Laboratory for Tectonic Modelling (HelTec) at the GFZ German Research Centre for Geosciences in Potsdam in the framework of the EPOS (European Plate Observing System) Transnational Access (TNA) call of the Thematic Core Service (TCS) Multi-scale Laboratories (MSL) in 2017 as a remote service for the CDUT. According to our analysis the materials show a Mohr-Coulomb behaviour characterized by a linear failure envelope. Peak friction coefficients µP of the quartz sand samples range between 0.62 and 0.79 and µP of the glass beads between 0.61 and 0.64. Except for one quartz sand sample, peak cohesions CP of all materials are smaller than or around zero meaning that these materials are cohesionsless. All materials show a minor rate-weakening of 1-2 % per ten-fold change in shear velocity v.