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Keywords: uniaxial compression test
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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-2017-140
... used in uniaxial compression tests. The results from both methods correlate well and show that the crack initiation and crack damage thresholds are about 46% and 78% of the uniaxial compressive strength of the intact rock respectively, slightly higher than the results reported in literature from...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-080
... attributed as the cause of axial splitting in the literature. Based on some physical uniaxial compression tests on Pennsylvania blue sandstone, an alternative theory for axial splitting is proposed. In this theory, axial shear cracks are considered that are induced because of non-uniform deformation of the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-056
...Rock Mechanics and Rock Engineering: From the Past to the Future Ulusay et al. (Eds) © 2016 Taylor & Francis Group, London, ISBN 978-1-138-03265-1 Ultrasonic wave measurements during uniaxial compression tests G. Pittino Chair of Subsurface Engineering, Montanuniversitaet Leoben, Austria N...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-072
... brecciated marble. The mechanical behaviour was characterized by means of both static (uniaxial compression test) and dynamic (ultrasounds) methods. Porosity, rock fabric (grain-supported or matrix-supported) and fracture density result the most significant petrographic parameters for mechanical behaviour...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-070
... face construction materials underground quarry compression test Chalk Rock pillar Upstream Oil & Gas dolomitic chalk chalk compressive strength relative humidity metals & mining average value porosity core drilling mechanical behaviour uniaxial compression test Rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-145
... deformation analysis to detect small-scale deformation without the installation of measurement devices. With the finite deformation analysis the dependence of the change of the principle stress direction of the rock structures can be analyzed. For that purpose laboratory uniaxial compression tests were...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-097
... properties, field mapping, Hoek-Brown Classification and uniaxial compression tests were used. Based on obtained data geotechnical conditions within the pit were characterized. The description of rock profiles and new cross-sections contained important information for slope stability. The field observation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-025
... also be aptly taken into account. The uniaxial compression test results showed that a positive linear trend of uniaxial compressive strength vs. β is apparent for the available range of β. This was found valid only for the specimens with the most prominent foliations that failed completely along these...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-105
... Oil & Gas site investigation compressive strength fracture Wellbore Design rock type Laxemar shear test uniaxial compression test direct shear test Waste Management Co granite Forsmark deformation Rock mechanics laboratory testing in SKB site investigation program Lars Jacobsson...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-090
... Abstract: Uniaxial compression tests of prismatic Dionysos marble specimens are simulated numerically using the distinct element code PFC2D. Two kinds of models are prepared for the current study: Bonded Particles Models (BPMs) and Grain Based Models (GBMs). 100 BPMs and 110 GBMs, the latter...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-072
... fundamentally an extension mechanism and that it corresponds to the stress level associated with crack initiation in uniaxial compression tests, which occurs at about 0.4 to 0.5 of UCS. A fundamental issue for the design and stability of underground openings is to be able to predict the stress level that will...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-067
... ABSTRACT The article presents a comparison of static and dynamic elasticity constants of sandstones and Shales based on an uniaxial compression test. The results of the test indicated that the static elasticity constants are generally more sensitive to changes in stress than their dynamic...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-079
... ABSTRACT In order to study the acoustic emission of rock when subjected to compressive loads, some uniaxial compression tests on a kind of limestone of Guangxi Province were carried out by means of the Rock Acoustic Parameter Dynamic Testing System (RAPDTS). It was concluded that the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2002, November 25–27, 2002
Paper Number: ISRM-EUROCK-2002-051
... 1990). In this study, in agreement with this classification, these planes were determined by measuring elastic wave propagation velocity of the block of rock. Then specimens for the uniaxial tension test and the uniaxial compression test were taken by core drill on the direction of intersecting...

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