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Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-100
... 833 experiment journal interaction obstacle practice iop publishing iop conf theory dam conservation europe government configuration equation flume hybird flow-structure interaction Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-047
... proposals from various authors and statistically evaluated to show that the proposed correlation equation is accurate and useful when applied to volcanic lithologies with rock masses in the range of fair to good. Introduction The study of rock masses geotechnical conditions is one of the most important...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-011
... reservoir characterization environmental science 833 equation displacement theory coupler determination diameter Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012016 doi:10.1088/1755-1315/833/1/012016...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-012
... equation geology geological subdiscipline asperity environmental science 833 shear strength criterion shear strength strength practice iop publishing iop conf aperture theory Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-005
... & gas gneiss reservoir characterization s-gneiss symmetry geology specimen geological subdiscipline practice iop publishing iop conf rock engineering orientation matrix geologist europe government metamorphic rock deformability equation anisotropy rock type reservoir geomechanics...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-031
... reservoir geomechanics practice iop publishing iop conf equation coefficient marble Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012036 doi:10.1088/1755-1315/833/1/012036 Estimation of crack initiation and crack...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-014
... mm slab pair sample with a tensile crack in the middle was extracted. A photogrammetry-based method was used to reconstruct a 3D model of the fracture geometry. The resulting model was numerically simulated with COMSOL using the Navier-Stokes equations. Fluid flow experiments were computed...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-004
... & mining environmental science 833 geological subdiscipline stability alejano lr geometry flexural specimen equation instability fos rock mech Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012004 doi:10.1088...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-065
.... upstream oil & gas rock type geological subdiscipline asia government thickness structural geology india government practice iop publishing iop conf equation sunni dam hep ground realization recovery information rock engineering theory geologist drilling operation reservoir...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-003
..., in particular with finite difference models implementing the shear strength reduction technique. equation upstream oil & gas geology rock type geologist united states government reservoir geomechanics europe government artificial intelligence geological subdiscipline safety stability...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-096
... (local) form of the partial differential equations, is discretized with polygonal finite elements. Only the heat equation, having the external heat influx as the load term, depends on time and it is solved with the implicit Euler time integrator, while the quasi-static piezoelectric and mechanical...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-134
... capacity. upstream oil & gas drilling fluids and materials cms geologist asia government artificial lift system practice iop publishing iop conf japan government mineral ore lifting efficiency particle environmental science 833 oms theory equation geology metals & mining...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-121
... approximation, the impedance of the "rock-explosive" pair is a parameter that allows an a priori estimation of the result of a blast in a given rock mass [5]. geologist united states government geological subdiscipline equation geology reservoir characterization rock engineering upstream oil...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-132
... the past decades hard rock pillars have been the subject of many studies that have culminated in the formulation of empirical pillar strength equations [e.g., 1 to 7]. In the past 20 years we have also observed the focus of the research shifting from empirical observations to numerical analysis [e.g., 8; 9...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-106
...) by means of a MATLAB routine. This workflow is involved in the ZoKrateS project which aims at showing the feasibility to enhanced fractured carbonate Rock Mass by proppant placement for geothermal application. The model generation is based on analytical geometry including the equations for dip, azimuth...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-159
.... Assuming a slip line with two ellipses with the same center and different radii, the first-order linear differential equation of earth pressure in the tunnel face direction is calculated from the equilibrium for infinitesimal elements in the circumferential direction. Introduction The stability...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-191
... equation of the model involves the Laplacian of the strain tensor multiplied by the gradient coefficient. The formulated boundary value problem is solved analytically to derive stress, strain, and displacement distributions and discuss respective gradient effects on the mechanical behavior of the rock mass...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-117
.... To increase the understanding of unsaturated problems, this paper presents a finite element formulation for applications in unsaturated flow in stiff porous media, like sedimentary rocks or concrete. The formulation is based on Richards’ equation for one-dimensional flows and it includes a linear...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-157
... tunnel kriging metamodel equation theory Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012155 doi:10.1088/1755-1315/833/1/012155 Kriging-based optimization design of deep tunnel in the rheological Burger rock D P...
Proceedings Papers

Paper presented at the ISRM International Symposium – EUROCK 2021, September 21–24, 2021
Paper Number: ISRM-EUROCK-2021-193
... statistical distribution of the considered parameters. A sensitivity analyses, comparing different equations, commonly used for debris flow impact pressure estimation, were performed for quantifying the effect of the selected performance function on the RBD results. probability practice iop publishing...

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