Articles | Volume 12, issue 2
https://doi.org/10.5194/gi-12-141-2023
https://doi.org/10.5194/gi-12-141-2023
Research article
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18 Aug 2023
Research article | Highlight paper |  | 18 Aug 2023

New ring shear deformation apparatus for three-dimensional multiphase experiments: first results

Shae McLafferty, Haley Bix, Kyle Bogatz, and Jacqueline E. Reber

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Cited articles

Auernhammer, G. K., Fataei, S., Haustein, M. A., Patel, H. P., Schwarze, R., Secrieru, E., and Mechtcherine, V.: Transparent model concrete with tunable rheology for investigating flow and particle-migration during transport in pipes, Materials & Design, 193, 108673, https://doi.org/10.1016/j.matdes.2020.108673, 2020. 
Behr, W. M. and Bürgmann, R.: What's down there? The structures, materials and environment of deep-seated slow slip and tremor, Philos. T. R. Soc. A, 379, 20200218, https://doi.org/10.1098/rsta.2020.0218, 2021. 
Behr, W. M., Gerya, T. V., Cannizzaro, C., and Blass, R.: Transient Slow Slip Characteristics of Frictional-Viscous Subduction Megathrust Shear Zones, AGU Advances, 2, e2021AV000416, https://doi.org/10.1029/2021AV000416, 2021. 
Birren, T. and Reber, J. E.: The Impact of Rheology on the Transition From Stick-Slip to Creep in a Semibrittle Analog, J. Geophys. Res.-Sol. Ea., 124, 3144–3154, https://doi.org/10.1029/2018jb016914, 2019. 
Bogatz, K.: Deformation of Brittle Clasts Within a Viscous Matrix: Field and Experimental Observations, MS, Iowa State University, Ames, IA, 75 pp., https://doi.org/10.31274/etd-20210609-22, 2021. 
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Executive editor
This paper describes a new apparatus that allows both solid and fluid state materials under deformation to be studied simultaneously. Such a device has not earlier been available. It has important applications in variety of geological hazards, such as landslides, glacial slip, and the transition from earthquakes to slow slips.
Short summary
Multiple geologic hazards, such as landslides and earthquakes, arise when solids and fluids coexist and deform together. We designed an experimental apparatus that allows us to observe such deformation in 3D. The first results show how fluids and solids deform and break at the same time, allowing us to study the impact of both materials on deformation distribution and speed. Making these processes visible has the potential to improve risk assessments associated with geological hazards.