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Keywords: equation
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Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-404
... plays also a major role in the energy budget of the system as it controls the feedback of the dissipative terms in the energy balance equation. Moreover, this parameter may evolve in time as stronger softening favors a decrease of the shear band thickness, whereas heat and fluid diffusion will tend to...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-401
... Artificial Intelligence Hassani regression analysis multivariable linear regression rock mechanics isrm13 plant model Montreal rotary speed in-situ geology equation Abstract The performance of a rotary blasthole drill is heavily dependent on the material being drilled. This material is a...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-020
... hydraulic fracturing technology. flow in porous media element method Artificial Intelligence Fluid Dynamics numerical simulation hydraulic fracturing 13th international congress Upstream Oil & Gas Simulation Valiveti hydraulic fracture equation analytical solution meier fracture...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-010
... compressive strength reservoir geomechanics Upstream Oil & Gas correlation un-normalised triaxial data equation cammack triaxial test rock mechanics isrm13 Hoek triaxial data A REVIEW OF METHODS FOR ASSESSING THE HOEK-BROWN mi CONSTANT FROM TRIAXIAL TESTING *R. Cammack and A. Duran Pells...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-011
... Condition coal seam equation rock mechanics isrm13 DAMAGE AND UNSTABLE FAILURE OF ROCK UNDER COUPLED THM CONDITIONS DURING DEEP-LEVEL MINING W. C. Zhu*, C. H. Wei, L. L. Niu, S. Li Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, Northeastern University, Shenyang, 110819...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-012
... reservoir geomechanics relation mechanism metals & mining Upstream Oil & Gas 13th international congress pillar rock specimen Artificial Intelligence Engineering instability Montreal pillar rockburst rockburst equation Reservoir Characterization structural geology...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-018
... with respect to volumetric strain and porosity. After the formulation of surface stress modified by the Langmuir isothermal adsorption is derived, the differential micromechanical constitutive equations of porous media are obtained. By supposing that the ratio of current permeability to initial is...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-035
... Biconcave Shape Bond Model rock deformation cc Reservoir Characterization displacement particle stress field bond layer rock mechanics isrm13 structural geology 13th international congress geometry bond model biconcave bond Upstream Oil & Gas cementation dvorkin theory equation A...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-046
... reservoir simulation 13th international congress underground explosion Guo Reservoir Characterization Engineering hydraulic fracturing GPa chena Upstream Oil & Gas elasto-plastic model scale distance equation strength hydrostatic pressure fractured rock Jiang rock mechanics...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-067
... reservoir geomechanics Upstream Oil & Gas correlation Chicontepec basin rock strength strength porosity laboratory Poisson rock mechanics isrm13 grain size distribution new correlation compressive strength equation MPa Estimate Sandstone Reservoir Uniaxial DEVELOPMENT OF A NEW...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-062
... reservoir geomechanics 13th international congress Artificial Intelligence viscoplastic behaviour deviatoric stress Julien Reservoir Characterization boulianne rocksalt Upstream Oil & Gas Simulation Aubertin Montreal equation experimental result yahya inelastic strain...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-114
... observation equations was often adversely affected by the lack of consideration of the remaining water pressure in fractures and insufficient stiffness of the pressurization system. We have developed a new hydraulic fracturing system based on a new test method concept overcoming these defects, and applied to...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-033
...-viscoplastic anisotropic damage model is presented by introduction of Perzyna viscoplastic equation into analyzing the deformation of frozen soil. In addition, an anisotropic damage evolution equation is obtained by means of extending non-viscous damage to viscous damage. Triaxial tests at different strain...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-063
... mine layouts. Various mine specific back analyses were conducted to adjust the equation parameters based on underground observations of failed pillars and comparing to the pillar stresses calculated using numerical models. In all these instances, the influence of shear stresses was ignored. The key to...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-110
... strain rate creep life specimen wet specimen uniaxial compression test Reservoir Characterization Loading Rate dry specimen time-dependent mechanical behavior rock mechanics isrm13 13th international congress water-saturated specimen creep stress equation deformation TIME-DEPENDENT...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-106
.... With the deformation theory of plasticity, a power hardening constitutive equation was developed in piecewise approximation method. Based on the nonlinear constitutive equation, a model of the stress field around the wellbore was developed considering fracturing fluid penetrating effect and in-situ...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-082
... hydraulic fracturing concentration Reservoir Characterization waste management 13th international congress Upstream Oil & Gas reservoir simulation roughness solute transport Montreal equation transport equation breakthrough curve diffusion fluid flow sorption fracture...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-117
... rock mass maximum tangential stress equation 13th international congress maximum principal stress principal stress stress precondition precondition tunnel rock mechanics isrm13 STRESS-TO-STRENGTH CHARACTERISTICS OF BRITTLE FAILURES AROUND UNDERGROUND EXCAVATION OPENINGS *C. Wang, and R...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-145
... example where the determination of the in situ stress tensor, from strain measurements in a drill hole is supposedly performed. It is assumed that this drill has its axis arbitrarily placed in relation to the rock mass. Generalised Plane Strain conditions will hold for use with problem. The equations of...
Proceedings Papers

Paper presented at the 13th ISRM International Congress of Rock Mechanics, May 10–13, 2015
Paper Number: ISRM-13CONGRESS-2015-135
... axial stress crack initiation stress investigation equation INVESTIGATION INTO LONG-TERM STRENGTH OF BRITTLE ROCKS BASED ON MICROMECHANICS *Z. S. Shao, X. Z. Li Xi an University of Architecture & Technology 13 Yanta Street Xi an, China 710055 (*Corresponding author: zhushan.shao@gmail.com...

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