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Keywords: sandstone
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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-009
... Abstract In the present work we discuss the results of a number of Schmidt hammer tests (total number of impacts N > 2,400) that were performed in situ on rock outcrops of different lithology (marl, calcareous marl, limestone, sandstone, quartz sandstone and rhyolite) that occur in Italy...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-025
... sandstone and Solnhofen limestone. Both are known for their high uniaxial compressive strength > 100 MPa and Young’s modulus > 30 GPa. Six end face geometry categories were tested on cylindrical samples with a diameter of 30 mm and a nominal length of 65 mm: (1) two standard end faces with tolerances...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-008
... sandstones under various pore pressures and joint roughnesses. The direct shear test was conducted under three mutually perpendicular loads and with various levels of pore pressure through effective utilization of a true triaxial loading system. An overview of the experimental method, its advantages...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-165
... of the rock and thus determines the success of the securing measure. Various adhesives such as resins and acrylate gel were examined in an extensive experimental laboratory program which was expanded to include numerical simulations with FLAC3D. The subject of the laboratory tests are jointed sandstone...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-011
... and feasibility. reservoir characterization tunnel excavation material reuse scenario eurock 2020 classification anhydrite switzerland upstream oil & gas different borehole depth qemscan structural geology classification model sandstone molasse rock mass european organization collider...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2020, June 14–19, 2020
Paper Number: ISRM-EUROCK-2020-033
... environments during the deposition phase. A deltaic formation, for example, may contain hard cemented sandstone, weak cross-bedded sequences as well as silty or clay-rich interbedding or lensing. A layered volcaniclastic sequence can contain hard strong flow layers, sandwiched within softer, weaker or altered...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-021
... by hydraulic fracturing. For some planned projects we conduct the characterization of the carboniferous strata as exposed in "analogous outcrops". The geological setting for fracking is demanding, as the strata comprise strong sandstone, shale and weak coal seams. All necessary petrophysical properties...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-018
..., secant and average modulus. This discretion causes, as the result that one can obtain results, which differ from each other significantly, even threefold or more. The laboratory tests for Carboniferous rocks: claystones, mudstones, sandstones and coals are presented in the paper. The modulus value...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-043
... the results of an experimental case study on homogeneous sandstone exposed to isotropic triaxial, and equi-biaxial or uniaxial loading regimes. The measured deformational response of this rock is compared with behavior of elastic solid materials. Finally, benefit of the experimental testing for constitutive...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-044
.... reservoir geomechanics Rock mechanics extension compression Reservoir Characterization Triaxial Testing specimen intermediate principal stress ivan jane�ek procedia engineering 191 laboratory triaxial testing sandstone stress difference stress path Upstream Oil & Gas amban mishra...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-127
... investigate the use of a low frequency GPR antenna to detect critical (large aperture) fractures inside a discontinuous heterogeneous rock mass in a sandstone quarry. The objective of using low frequency antenna is to obtain as deep a subsurface image as possible, since penetration depth is inversely...
Proceedings Papers

Paper presented at the ISRM European Rock Mechanics Symposium - EUROCK 2017, June 20–22, 2017
Paper Number: ISRM-EUROCK-2017-088
... Abstract The article deals with the use of computed X-ray radiography to visualize the development of the fracture process zone in the rock samples. For radiographic observations during the three-point bending loading, glauconitic sandstone from the Řeka quarry (sometimes also referred...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-052
...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 Rigidity of sandstone at elevated temperatures Á. Török & B. Vásárhelyi Department of Engineering Geology and Geotechnics, Budapest University...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-023
... with differences in their petrologic properties (sequence from high to low average compressive strength). 2.1 Ruhr sandstone (Rst) The grayish Ruhr sandstone is well sorted and fine grained (0.4 ± 0.2 mm). Because of its essential miner- als quartz and feldspar it can be classified as an arkose. Accessory...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-011
... Resources, Daejeon, Korea M. Takahashi National Institute of Advanced Industrial Science and Technology, Tsukba, Japan ABSTRACT: The permeability for two types of sandstone, Berea sandstone and sandstone from Otway Paaratte formation, under different confining pressure are measured and porosity...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-135
... Berea sandstone Upstream Oil & Gas scale value Reservoir Characterization CT image porous rock solute aquo-siloxane method construction materials aquo-siloxane treatment Kimachi sandstone increment x-ray ct image sandstone material flow Kumamoto University rock sample image...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-212
... Helvetiaf- jellet Formation. The next units are the Jurassic marine mudstone-dominated Rurikfjellet and the organic-rich shale of the Agardhfjellet formations, underlain by the Upper Triassic Lower Jurassic reservoir sandstones at about 670 m (Braathen et al. 2012). Below this, the Knorringfjellet Formation...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-213
... ABSTRACT: The effective pressure law for the permeability of sandstone is experimentally studied by conducting Darcy's law permeability test under various confining pressure (from 14 to 58 MPa) and pore pressure (from 8 to 23 MPa). Supercritical CO 2 as a pore fluid has been adopted instead...
Proceedings Papers

Paper presented at the ISRM International Symposium - EUROCK 2016, August 29–31, 2016
Paper Number: ISRM-EUROCK-2016-025
... reservoir geomechanics strength loss percentage specimen literature data metamorphic rock different rock type Reservoir Characterization rock type compressive strength uc loss Engineering rock engineering Rock mechanics sandstone water effect sedimentary rock Rock Mechanics and Rock...

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