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Keywords: compression test
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Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-075
... short and long terms behavior of these two chalks. It includes several uniaxial and triax- ial compression tests performed on dry and saturated samples as well as for different relative humidity val- ues ranging from 90 to 98% typically encountered in situ, hydrostatic tests aimed at characterizing 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 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-132
... be the finite deformation analysis. To show the dependence of changes of the principle stress direc-tions (σi) on the small-deformation behavior, laboratory uniaxial compression tests were performed under varying applied pressures on different rock types. Analyzed by the Intercept-Method, which...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-081
... laboratory tests on dry limestone specimen including 20 Unconfined Compression Tests and 20 Brazilian Tests have been used. Then, to apply Artificial Neural Networks, a Radial Basis Network is developed to reach a relationship between BTS and UCS. Based on the low Mean Squared Error of the network, a new...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-135
... hydraulic fracturing LdB granite Simulation international journal hybrid dfn-dem approach equation of state fracture pattern crystalline rock geometry surface model peak strength synthetic rock mass University compression test granite complex reservoir orientation DFN discontinuity rock...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2015, October 7–10, 2015
Paper Number: ISRM-EUROCK-2015-111
... Characterization Upstream Oil & Gas structural geology strength experiment specimen marlstone water management orientation fracture plane plane reservoir geomechanics opalinus clay waste disposal site consideration heating Siltstone porosity sandstone compression test weak bedding plane...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-070
... wall) to the centre, contrary to the classical observations on the ageing of geomaterials. Uniaxial and triaxial compression tests under controlled relative humidity put into light the sensitivity to water (and then relative humidity in the quarry) on the mechanical strength and deformability of chalks...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-139
... test. Nevertheless, some other important aspects are connected to the pre-peak behaviour. For instance, localization phenomena are associated to the pre-peak hardening phase for many rocks. In this paper, using data from a series of confined compression tests, the derivation of a strain-hardening model...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-145
... of the principle stress direction of the rock structures can be analyzed. For that purpose laboratory uniaxial compression tests were performed under varying applied pressures on samples of different rock types. The hard rock samples were analyzed by the Intercept-Method, which generates deformation...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-051
... triaxial compression tests are carried out, especially when high confining pres- sures are applied. This is probably the reason for the small amount of data in the literature on the isotropic and triaxial compressive strength of these materials. After several years studying these materials (Serrano et al...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-054
...-consuming. In this article, 25 impression relaxation tests using indenter diameters of 2, 2.5, 3, 3.5, 4mm and 4 compression relaxation tests are done on rock salt. Then, the parameters of viscoelastic behavior are calculated. The results of both techniques of impression and compression tests illustrate...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-032
... limestone potential energy compression Reservoir Characterization rate dependence compression test increment energy change Rock Mechanics for Resources, Energy and Environment Kwas´niewski & ydz ba (eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00080-3 Damage and plasticity rate...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-135
... Abstract For the determination of rock mechanical parameters uni- and triaxial compression tests as well as tests for the determination of tensile strength were conducted in the lab. Triaxial compression tests can be conducted as conventional single stage tests, multi-stage tests or continuous...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2013, October 23–26, 2013
Paper Number: ISRM-EUROCK-2013-078
.... The test results were analyzed using Mohr-Coulomb failure criterion. In addition, numerical analysis was carried out using COMSOL Multi physics to simulate the test. waste management criterion numerical simulation Hydro numerical analysis compression test water pressure Shear...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2012, May 28–30, 2012
Paper Number: ISRM-EUROCK-2012-089
... simulation failure surface matrix structural geology Simulation compression test failure pattern Reservoir Characterization strength specimen mechanical behavior Upstream Oil & Gas homogeneous specimen eurock 2012 rock block loading condition failure mechanism conglomerate mechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-029
... management appropriate interpretation Rock mechanics compression test reservoir simulation elastoplastic model correspond application Upstream Oil & Gas micromechanical approach international journal kondo laboratory test levasseur micromechanical model excavation initial stress...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-026
... modifies the elastic moduli (Heard & Page 1982, Nasseri et al. 2007), permeability (Menendez et al. 1999) and mechanical strength (Homand & Troalen 1984). Upstream Oil & Gas thermal treatment compression test mechanical behaviour evolution Reservoir Characterization wave velocity...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2010, June 15–18, 2010
Paper Number: ISRM-EUROCK-2010-060
... of this measurement in tracking the progression of cracks in a rock sample (Saad & Bost 2009). The reso- nant frequency measurement has been done for each mechanical stress described in 2. 2 STATE OF CRACKING AND STATE OF STRESS 2.1 Stress-strain curve During an unconfined compression test, it is...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-055
.... The interpretation of the rock matrix characterization tests, of the cyclic mechanical compression test, and the cyclic hydro mechanical compression tests show that the normal stiffness is stress dependent, the initial normal stIffness value, kno= 122 MPa/mm, dependent on the initial fitting of the...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2005, May 18–20, 2005
Paper Number: ISRM-EUROCK-2005-079
... Reservoir Characterization Engineering AE rate accelerative point Wellbore Design strength compression test Upstream Oil & Gas acoustic emission sample damage University event count uniaxial compression test reservoir geomechanics rock acoustic emission AE event limestone...

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