... 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...

... 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...

... 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...

...) 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...

.... 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...

... 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...

.... 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...

... 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...

... 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...

... environmental science 833 correlation equation exploratory tunnel ahrental-pfon Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012158 doi:10.1088/1755-1315/833/1/012158 A new parameter for TBM data analysis based...

... characterization rock engineering environmental science 833 tunnel theory axis matrix equation information lining excavation borehole Mechanics and Rock Engineering, from Theory to Practice IOP Publishing IOP Conf. Series: Earth and Environmental Science 833 (2021) 012167 doi:10.1088/1755-1315/833/1...

... 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...

... 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...

... 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...

... 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...

... & 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...

... 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...

... 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...

... & 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...

.... 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...