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Keywords: specimen
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Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-019
... with bedding layers oriented in smaller angles (55 , 35 , 20 , and 10 whereas a significantly less deformation had taken place in samples with bedding layers oriented in higher angles (83 Moreover, at 55 and 35 bedding orientations, deformation was mainly observed within the middle region of specimens...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-049
... Abstract Firstly got the rock specimens with intrinsic fracture, then carried out seepage tests with high seepage pressure (>1MPa), in order to study the seepage regulation with different seepage pressures and confining pressures. The result stated that the relation between coefficient...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-039
... by Xie he ping. Mechanical characteristics and energy properties of granite under uniaxial compression after high temperature have been researched. 2 Experimental Condition and Method In our investigation, we have used cylindrical rock specimens, 50mm long with diameters of 25 mm. There were 45...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-050
... drilling fluid formulation adsorption isotherm mohr-coulomb failure criterion strain gauge mechanical property specimen borehole stability desiccator shale specimen bedding plane Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-064
... into the instability of hard rock specimens in tensile failure. Griebel M, Knapek S et al (2007) adopted numerical simulation and comparison to study the particle settings, algorithm selections and application of parallel computing in the calculation of dynamic characteristics for particle materials. Hazzard JF, Young...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-060
... to increasing stress on the hole surface while the stress on the outer surface was maintained constant. No fluid injection was allowed from the hole into the rock. The outer surface of the specimen was hydraulically isolated, too. The fracturing of the specimen was thus caused by applied mechanical stresses...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-030
... halite Emission Characteristic loading salt rock cyclic loading AE event acoustic emission characteristic energy rate Upstream Oil & Gas Rock mechanics specimen uniaxial compression count rate strength Deformation Stage experimental study thenardite Rock Characterisation, Modelling...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-036
.... segmentation damage variable specimen hydraulic fracturing pixel characterization particle gray value fracture soil-rock mixture information original ct image multiple-threshold segmentation rock ratio Artificial Intelligence CT image loading stage image processing messy particle digital...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-022
... hydraulic fracturing dissipation Reservoir Characterization strength fissure inclination Upstream Oil & Gas Rock mechanics peak strength fissure length characteristic rock mass specimen triaxial compression test reservoir geomechanics friction energy dissipation peak...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-032
...), it is possible to isolate the radioactive wastes from human environment for a long time. Engineering boundary condition buffer waste management axial stress coefficient repository flexible-swelling test specimen saturation underground repository infiltration equilibrium stiffness coefficient...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-037
... and Geological Engineering, Fuzhou University, China; Department of Resources and Urban-Rural Development, Fuzhou University, China ABSTRACT: The uniaxial compression constant amplitude fatigue test was adopted to make cyclic loading tests for pre-fractured 30 , 45 , 60 and 90 rock-like model specimens...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-028
... the interventions between the tip fields and hence the crack growth pattern. An investigation on propagation behavior of filled cracks is carried out through fracture tests of rock-like specimen under uniaxial compression. The digital photographical technique is used to quantify the information of propagation paths...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-038
... on rock specimens drilled from rhyolite blocks taken from the site of Daxiangling Niba mountain tunnel. The strength and deformation properties of microfis- sure rock are obtained; the influences of factors such as the initial angle of the microfissure and morphology on the strength and deformation...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-003
... strength numerical simulation Wellbore Design acoustic emission specimen fracture int Reservoir Characterization Upstream Oil & Gas Simulation granite Rock Mech micro crack Sci stress-strain curve brittle rock uniaxial compression test Rock Characterisation, Modelling and Engineering...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-012
... criterion, which neglects the role of σ 2 , predicting only the lower limit of rock strength for a given σ 3 . strength crystalline rock characteristic Upstream Oil & Gas variation specimen compressive strength Coconino sandstone principal stress Reservoir Characterization Triaxial...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-089
... prism was modeled with the smoothed particle hydrodynamics (SPH) method, and the mill structure was modeled by the finite element method (FEM) method. The interaction between the coal specimen and the roller was considered by introducing a master-slave contact boundary. The main aims of this study...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-102
... isotropic model is characterized by 5 independent elastic constants. Transversely model is the most popular model for schistose rock like schist, gneiss, shale, etc. [1–4] In order to determined 5 independent elastic constants, at least 3 specimens that bedding plane inclined parallel, vertical...
Proceedings Papers

Paper presented at the ISRM SINOROCK 2013, June 18–20, 2013
Paper Number: ISRM-SINOROCK-2013-072
... simulation experiment specimen rock mass deformation model material large-three-dimensional physical simulation experiment Rock Characterisation, Modelling and Engineering Design Methods Feng, Hudson & Tan (Eds) © 2013 Taylor & Francis Group, London, ISBN 978-1-138-00057-5 Large-three-dimensional...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-111
... of the disordered structure. The simulations of different heterogeneity samples show the relationship between effective thermal conductivity and heterogeneity. For specimens with same geometry and heterogeneity, although the distribution of thermal parameters in each sample are different because of random...
Proceedings Papers

Paper presented at the ISRM International Symposium on Rock Mechanics - SINOROCK 2009, May 19–22, 2009
Paper Number: ISRM-SINOROCK-2009-006
... modeling jointed rock equivalent material jointed model rock type tunnel wellbore integrity strength rock bolt soft rock type continuum approach mechanical parameter Wellbore Design hard rock specimen rock mass jointed rock hard rock type Reservoir Characterization Engineering...

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