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Keywords: testing machine
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Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-097
... and alkali feldspar, quartz. In order to investigate micro scale fracture toughness, a mechanical testing machine was used. This machine is an original one and developed by ourselves. In the test, a micro-sized cantilever beam type specimen was used. Its dimension is 10 × 10 × 50 μm. On the other hand...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-028
...AN INVESTIGATION ON THE DEFORMATION CHARACTERISTICS OF MARBLE DINIS DA GAMA, CARLOS I.S.T., Lisboa, Portugal (dgama@ist.utl.pt) XIANBIN, YU Kunming University of Science and Technology, China (xianbin@ist.utl.pt). ABSTRACT Loading-unloading tests under a conventional testing machine were conducted...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-081
... The paper describes the results of laboratory experiments in which: granite samples were preliminary loaded with a testing machine, and then were instantly unloaded. Acoustic emission signals due to the rock fracture process were detected during both of the above stages...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 93, June 21–24, 1993
Paper Number: ISRM-EUROCK-1993-083
... friction sandblasted surface Portuguese Rock dilation rate strength stress dependent surface topography shear test consistent result comparative study testing machine marble peak dilation rate limestone diorite Upstream Oil & Gas resistance direct shear test normalised...

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