| Issue |
EPJ Web of Conferences
Volume 26, 2012
DYMAT 2012 - 10th International Conference on the Mechanical and Physical Behaviour of Materials under Dynamic Loading
|
|
|---|---|---|
| Article Number | 01021 | |
| Number of page(s) | 6 | |
| Section | Experimental Techniques | |
| DOI | https://doi.org/10.1051/epjconf/20122601021 | |
| Published online | 31 August 2012 | |
https://doi.org/10.1051/epjconf/20122601021
Mechanical characterization of rocks at high strain rate
1 DynaMat Laboratory, University of Applied Sciences of Southern Switzerland, 6952 Canobbio, Switzerland
2 Research Institute of Mechanics, Lobachevsky State University, 603950 Nizhny Novgorod, Russia
The paper presents the dynamic characterization in tension and compression of three rocks, Carrara marble, Onsernone gneiss and Peccia Marble, at high strain-rates. Two versions of a Split Hopkinson Bar have been used. The version for direct tension tests is installed at the DynaMat Laboratory of the University of Applied Sciences of Southern Switzerland, while the traditional version in compression is installed at the Laboratory of Dynamic Investigation of Materials of Lobachevsky State University. Results of the tests show a significantly strain-rate sensitive behaviour, exhibiting dynamic strength increasing with strain-rate. The experimental research has been developed in the frame of the Swiss-Russian Joint Research Program.
© Owned by the authors, published by EDP Sciences, 2012
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