... 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...

... paths. In that sense the system is close to percolation threshold. Upstream Oil & Gas composite sphere coefficient Reservoir Characterization pore pressure Christiansen mechanical property effective stress flow in porous media porous medium porosity Dullien expression...

... that is based on the slope stability, the later has been employed as the substitute of the former to increase the specimen so as to reveal the relationship between the angle of shearing resistance of the rock and the fissuring assembly on the slope together with the coefficient of rock integrity. When...

... and generation and evolution of gouge material in rock fractures can play a key role in fracture mechanical and transport properties in terms of friction coefficient, shear strength, fluid transmissivity, solute retardation coefficient and etc. (Jing & Stephansson 2007; Zhao et al. 2012). However...

...), 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...

... given (e.g. the coefficients of restitution, slope friction, and the location and velocity of where the rocks originate, etc) and the analysis does not take the probabilities of different event sequences into account. climate change modeling Reservoir Characterization trajectory Rock...

..., Li & Low 2010, among others, using elastic-perfectly-plastic model. This paper deals with more complex constitutive model, namely elastic-strain-softening model. Further investigations are conducted in the present study. Artificial Intelligence criterion coefficient Reservoir...

... Abstract For an analysis of the stability of an underground excavation in two dimensional space, the convergence–confinement tunnel design process is usually applied to investigate the interaction of support and ground of the excavation. In order to achieve the design process, a coefficient...

... the groundwater dropdown and stability of the caverns according to the test results. 5 numerical cases with different permeability coefficients were performed to investigate the influence of permeability coefficient. The simulation results indicated that the operation period of the storage caverns will be less...

... out, Finally, parametric study is conducted for the effects of the joints spacing, the joint number, JCS and JRC on the transmission for the P-wave propagation across parallel joints. The results reveal that the magnitude of transmission coefficient not only decreases with the increasing of joints...

... and economic. Reservoir Characterization Engineering dynamic strength reduction method Upstream Oil & Gas safety coefficient Earthquake reservoir simulation displacement Reduction Method research and development seismic design calculation time-history curve coefficient reduction...

... with a sleek surface, the collocation of blasting positions and dynamite volume. factor analysis parameter optimization coefficient tunnel 4 machine learning resistance factor-regression model historical data Artificial Intelligence deviation regression analysis follow equation variance...

... aperture network model dfn domain length hydraulic fracturing complex reservoir variance plane hydraulic behavior discrete fracture network Upstream Oil & Gas fracture network coefficient rock mass geometric characteristic rev value dfn analysis hydraulic conductivity tensor...

... loading test coefficient standard practice ISRM-Sponsored International Symposium on Rock Mechanics: Rock Characterisation, Modelling and Engineering Design Methods 1 INTRODUCTION Rock salt around storage caverns will subject to cycles of loading due to the fluctuation of cavern pressures during...

... displacement load platen Rock stress estimation Upstream Oil & Gas stress state Probe stress measurement Reservoir Characterization stress component coefficient determination steel pipe reservoir geomechanics interface fracture friction shell borehole jack borehole wall...

... neural network correlation artificial neural network metals & mining node specific charge Artificial Intelligence protodyakonov index prediction machine learning Chakraborty input parameter application coefficient test data excavation tunnel tunnel area ANN model...

... Reservoir Characterization Fluid Dynamics three-dimensional failure process variation hydraulic fracturing rock element Simulation Upstream Oil & Gas modeling damage variable coefficient fluid flow elastic damage constitutive law permeability evolution mechanics flow...

... wn 21 ) (2) in which s is the density of grains, is the porosity, n yzxz , are shear stresses, K is the obstruction coefficient, and kK µ= , µ and are the viscosity coefficient and the physical permeability coefficient respectively, is the velocity of water in z direction. k w...

... by using 59 series of accurate triaxial test datasets which are belong to 20 different rock types selected from the literature. It has been shown that the proposed criterion is capable of predicting the triaxial behavior of rocks in both tensile and compressive regions. There are two coefficients...

..., is the linear thermal expansion coefficient of the skeleton, F is the body force vector, D is either the elasticity tensor or the elastoplastic tensor, depending on the constitutive ABSTRACT This paper presents a new FEM approach and computer code for modeling fully coupled thermo- hydro-mechanical processes...