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Keywords: laboratory
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Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-301
... for radioactive waste. The paper presents a numerical analysis, using an especially developed constitutive model for argillaceous rocks, that reproduces successfully the observations obtained in the excavation of tunnels in Callovo-Oxfordian claystone at the Meuse/Haute-Marne underground laboratory. Particular...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-432
... geologist reservoir characterization sandstone tensile strength compressive young united states government ldb granite young martin laboratory micro fracture geology geological subdiscipline fracture potyondy yellow sandstone microfracture reservoir geomechanics strength...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-359
... unclear how rock fabric affects the failure mechanisms and contributes to the resulting fracture network. To understand this, an 80 mm Montney shale outcrop cube was hydraulically fractured in the laboratory under in-situ true triaxial stress conditions. The fractured sample was then digitally 3D...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-422
... cation international journal esch tunnel isrm journal mudrock gonflement apparatus procedure geological subdiscipline construction laboratory figure determination mining science interpretation ABSTRACT: Swelling in underground works can cause severe problems during and after...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-040
... development (Zang et al. 2014), reservoir water storage, carbon dioxide storage, etc., and poses a threat to the safety of the project and personnel. At present, through laboratory tests, numerical simulation and field tests, the cognition of the dislocation of the seepage field change of cracks or faults...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-071
... fracture upstream oil & gas asperity young morphology fracture permeability doi rock mechanic experiment china government geological subdiscipline deformation thermal expansion international journal tunnel beijing university laboratory 15th ISRM Congress 2023 & 72nd Geomechanics...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-056
... the excavation process and associated disturbances using real coal blocks in a laboratory setting. The results of our experimental investigation provide a novel approach for producing strainbursts that arise due to the progressive reduction of local mine stiffness during mining operations. INTRODUCTION Local...
Proceedings Papers

Paper presented at the 15th ISRM Congress, October 9–14, 2023
Paper Number: ISRM-15CONGRESS-2023-103
... in nuclear energy industry has brought the challenge of disposing nuclear waste to the forefront. Beishan underground laboratory project in Gansu represents China's pioneering effort towards addressing this problem. As the country's first underground field research and development platform dedicated to high...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-185
... Abstract A series of in-situ and laboratory triaxial compression tests were conducted for a wide range of specimen size, the diameters of specimens, d = 20 − 400 mm. Based on the tests results, this study focuses on scale effects on pre-failure mechanical characteristics and post-failure...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-179
... Abstract To study the distribution of structural planes of deep hard rock around underground tunnels and its influence on the failure of surrounding rock, the spatial distribution characteristics of structural planes around typical laboratory of the CJPL-II were identified and analyzed through...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-208
... specimen alterability resistance compactness river guadalajara quarry reservoir characterization tajo hydrographic confederation laboratory dolomite spain upstream oil & gas particle construction alcorlo dam porosity cedex fragmentation x-ray fluorescence Abstract...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-238
... hydraulic fracturing fracture specimen rock engineering 51 laboratory rock mechanic characteristic triaxial compression failure characteristic jinping marble marble propagation rock engineering 49 northeastern university reservoir characterization mechanism cuboid marble specimen...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-215
... evolution influence rock-fluid incompatibility laboratory shear displacement friction coefficient giwelli transducer Abstract We conducted a pilot laboratory experiment on a synthetic porous sandstone to explore influence of shear rate/velocity on permeability evaluation and micro-seismicity...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-224
... reservoir characterization fluid loss control drilling fluid management & disposal hydrogen peroxide schist evolution drilling fluids and materials drilling fluid selection and formulation laboratory application relation immersion poio quarry portugal oscillation ferreira gome porosity...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-248
... Abstract The authors have developed an equipment for in-situ tracer experiments and an evaluation method for tracer experiments. We conducted tracer experiments with the equipment for a single fracture in a rock mass at an underground research laboratory in a granite region in Japan...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-201
... Abstract Swelling in sulphate bearing rock causes damage to structures, but particularly to tunnels with large heave or large swelling pressures. Swelling pressures determined in laboratory tests are substantially larger than in-situ swelling pressures that are still large. Swelling...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-242
... Abstract True triaxial compression tests of marbles, which were taken from 2400 m depth in Jinping Underground Laboratory Phase II, were conducted on a novel true triaxial compression apparatus. Complete stress strain relations were obtained and their brittleness and ductility index were...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-231
... Abstract This paper compiles and compares data from literature of the shear strength of rock-concrete interface via direct shear test under constant normal load in the laboratory. In this paper are presented: materials used in some studies; typical values of shear strength of rock-concrete...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-294
... reservoir characterization simulation small-scale underground mining reservoir geomechanics displacement method laboratory crown pillar wedge classification tunnel layout stability metals & mining intersection reaction curve pillar engineering rock mechanic Abstract...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-256
... reservoir characterization evaluation procedure madeira rosa particle olho degradation resistance laboratory rock mechanic variation figure 4 janeiro strength durability madeira branca brasileiro application maia Abstract This study aims to know the behavior of the rocky...

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