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Dataset

GeoMod2008 materials benchmark: The ring shear test dataset

Cite as:

Klinkmüller, Matthias; Schreurs, Guido; Rosenau, Matthias (2016): GeoMod2008 materials benchmark: The ring shear test dataset. GFZ Data Services. http://doi.org/10.5880/GFZ.4.1.2016.002

Status

I   N       R   E   V   I   E   W : Klinkmüller, Matthias; Schreurs, Guido; Rosenau, Matthias (2016): GeoMod2008 materials benchmark: The ring shear test dataset. GFZ Data Services. http://doi.org/10.5880/GFZ.4.1.2016.002

Abstract

This dataset provides friction data from ring shear test (RST) on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
Each material sample corresponds to three files: shear stress curves (xls/txt format), friction data (txt format), friction plots (pdf format), examples of which are shown below. An overview of all files of the data set is given in the table RSTDataOverview.

Additional Information

Cited reference: Schulze, D. (1994), Entwicklung und Anwendung eines neuartigen Ringschergerätes. Aufbereitungstechnik 35 (10), 524-535.

Methods


The data presented here are derived by ring shear testing using a SCHULZE RST-01.pc (Schulze, 1994) at GFZ Potsdam’s analogue laboratory for tectonic modelling. Each sample has been carefully prepared by the same person and measured consistently following the same protocol. Preparation included sieving at 250 ml/min from 30 cm height into the shear cell. Measurements have been done at normal loads (normal stress) of 430, 860, 1290, 1720, and 2150 Pa and shear velocity of 3 mm/min typical of experimental conditions. Laboratory conditions were air conditioned during all the measurements (Temperature: 23°C, Humidity: 45%). The measurements presented here correspond to internal friction, shearing inside the material. Data for so-called basal or wall friction, i.e. shearing against a fixed plate, are available on request.
The resulting shear stress curves are presented at 5 Hz frequency and the Unit of Pa. From the shear stress curves the friction data, i.e. peak, dynamic and reactivation friction, have been picked manually and are presented as data pairs (normal stress & respective shear strength). Matlab-based regression analysis of these friction data by means of (a) multilinear regression of all data pairs and (b) mutual regression of two data pairs constrains the material shear failure envelope characterized by friction coefficient (slope of regression line) and cohesion (y-axis intercept of regression line). The results are presented by friction plots.

Dataset Contact

  • Rosenau, Matthias (Senior Researcher) ; GFZ German Research Centre for Geosciences, Potsdam, Germany;

Contributors

Tectonic Modelling Laboratory at the Institute for Geological Sciences (TecLab Bern, Switzerland); HelTec - Helmholtz Laboratory for Tectonic Modelling (GFZ German Research Centre for Geosciences, Germany)

Keywords

analogue materials, granular materials, bulk solids, analog models, sandbox, benchmark, Geomod, EPOS, multi-scale laboratories, analogue models of geologic processes, property data of analogue modelling materials, Microsphere > Glassy, Ring-shear tester, Sand > Corundum Sand, Sand > Quartz Sand

GCMD Science Keywords

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          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-4544-7514
          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0003-1134-5381
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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        • title (xml:lang=en): GeoMod2008 materials benchmark: The ring shear test dataset
      • publisher: GFZ Data Services
      • publicationYear: 2016
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        • subject: property data of analogue modelling materials
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          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
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          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
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      • language: en
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      • descriptions
        • description (descriptionType=Abstract): This dataset provides friction data from ring shear test (RST) on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
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        • description (descriptionType=Other): Cited reference: Schulze, D. (1994), Entwicklung und Anwendung eines neuartigen Ringschergerätes. Aufbereitungstechnik 35 (10), 524-535.
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      • Entry_Title: GeoMod2008 materials benchmark: The ring shear test dataset
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        • Dataset_Creator: Klinkmüller, Matthias; Schreurs, Guido; Rosenau, Matthias
        • Dataset_Title: GeoMod2008 materials benchmark: The ring shear test dataset
        • Dataset_Release_Date: 2016
        • Dataset_Release_Place: Potsdam, Germany
        • Dataset_Publisher: GFZ Data Services
        • Online_Resource: http://dx.doi.org/10.5880/GFZ.4.1.2016.002
      • Parameters
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        • Topic: SOLID EARTH
        • Term: GEOMORPHIC LANDFORMS/PROCESSES
        • Variable_Level_1: TECTONIC PROCESSES
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      • Keyword: analogue materials
      • Keyword: granular materials
      • Keyword: bulk solids
      • Keyword: analog models
      • Keyword: sandbox
      • Keyword: benchmark
      • Keyword: Geomod
      • Keyword: EPOS
      • Keyword: multi-scale laboratories
      • Keyword: analogue models of geologic processes
      • Keyword: property data of analogue modelling materials
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          • Long_Name: GFZ
        • Personnel
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          • Last_Name: Deutsches GeoForschungsZentrum GFZ
      • Summary
        • Abstract: This dataset provides friction data from ring shear test (RST) on natural and artificial granular materials used for experimental simulation by the analogue geodynamic modelling community (21 sands and glass beads). The material samples have been collected community-wide and analysed at GFZ Potsdam in the framework of the GeoMod2008 conference benchmark initiative. The context of data collection, details of the material samples and measuring techniques as well as interpretation and discussion of results can be found in Klinkmüller et al. (2016) to which this dataset is supplement material.
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  • escidoc:  /  download xml
    • resource
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      • date (dateType=Created): 2008
      • creator
        • creatorName: Klinkmüller, Matthias
        • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
      • creator
        • creatorName: Schreurs, Guido
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0002-4544-7514
        • affiliation: Institute of Geology, University of Bern, Bern, Switzerland
      • creator
        • creatorName: Rosenau, Matthias
        • nameIdentifier (nameIdentifierScheme=ORCID): 0000-0003-1134-5381
        • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany

Files

License: CC BY 4.0

Dataset Description

Supplement to