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Keywords: Simulation
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Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-551
... groundwater conditions. Experimental simulations by mechanical-groundwater flow coupling analysis have been tried based on the finite-difference method to verify that the analysis method is suitable. Parametric numerical analyses are also carried out to study the influence of the mechanical properties on the...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-074
... products generated at a site, or the effectiveness of potential acid sulfate soil management techniques that rely on better management of the groundwater table, can be assessed by using simulation models that consider the groundwater hydrology at a site and its relationship to oxidation of pyrite...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-223
... to the lack of proper software. Our university pays a lot of attention to MCAI. Artificial Intelligence displacement drilling procedure Animation Multimedia Computer drilling operation Simulation courseware excavation instruction Upstream Oil & Gas Classroom student geological...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-224
... extension and update of Toll (1999). In addition, the authors attempt to predict where CAL is heading in the future. COMPUTER AIDED LEARNING Computer aided learning (CAL) offers many advantages over traditional forms of learning. These include: the ability to run simulations of laboratory experiments...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-580
... normal stress levels. The rational approach is also proposed to define the generation and progress of the potential cracks due to shear and tension failure in the matrix by using distinct element method (DEM). Simulation of a deep underground opening excavation in the discontinuous rock masses is carried...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-591
... problem. Taking into account the equilibrium condition on the shield model to simulate the shield behavior. The shield position, the cutter face rotating direction and the state of earth pressure at the face and around the shield periphery were the factors affecting to the shield behavior. The overall...
Proceedings Papers

Paper presented at the ISRM International Symposium, November 19–24, 2000
Paper Number: ISRM-IS-2000-086
...ELECTROMIGRATION OF HEAVY METALS IN PORE WATER OF AQUIFER: MODELLING AND SIMULATION Sadataka Shiba1, Yushi Hirata2 and Tadachika Seno3 ABSTRACT Understanding the operational variables in electrokinetic remediation of aquifers is not sufficient to put the remediation method to practical use. This is...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 10–12, 1990
Paper Number: ISRM-IS-1990-040
... evolution of the modern generation of large capacity, high-speed computers and efficient software has enabled the realistic simulation of penetration processes using computational models (see Zukas et al. (1982) and Chandra and Flaherty (1983 Because of the complexity and variety of the whole subject of...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-172
... processes in borehole breakouts have been modelled. In our continuum damage model, borehole breakouts are simulated by the propagation of active damage planes and/or planar localization bands. It is then found that the propagation of these planes follows that of the fracture planes commonly associated with...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-049
... gradients and asymmetric stress conditions. Both in the model test and in the numerical simulation a significant influence of the thermal loading was found. This resulted in a strong convergence of the cavity. Although a large difference occurred between prediction and experimental result, the numerical...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-123
...Rock at Great Depth, Maury & Fourmaintraux (eds), © 1989 Balkema, Rotterdam. ISBN 90 61919754 Simulation d 'une fracturation hydraulique sur un bloc de grandes dimensions Hydraulic fracturing simulation in a large limestone block Simulation eines Hydraulic-Fracturing-Versuchs in einem Block mit...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-139
... types and properties. This in- cludes nonlinear constitutive behavior and potentially large strain deformation. The model should also be able to simulate high, deviatoric loading conditions rang- ing from quasi-static gravity loads to stress wave propagation from blasts. Fur- ther, the program should be...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-078
... quadri- lateral finite elements and 754 nodal points. No symmetry can be utilized due to the geometry and properties of the problem. An initial hydro- static stress field of 20 MPa is established in the domain and then excavations are simulated, con- sidering the roadway advance, longwall face ad- Vance...
Proceedings Papers

Paper presented at the ISRM International Symposium, August 30–September 2, 1989
Paper Number: ISRM-IS-1989-121
... Upstream Oil & Gas variation borehole drilling analytical solution injection reservoir geomechanics calculation borehole fracture pressure plastic strain Reservoir Characterization Simulation cohesion low strength material stress distribution criterion equation Fracturation...
Proceedings Papers

Paper presented at the ISRM International Symposium, May 26–28, 1982
Paper Number: ISRM-IS-1982-022
... SUMMARY: Simulation by electrical tank analogue based on the laws of elasticity, seems to be a good tool for analysis of underground structures in three-dimensions particularly in hard rock mines. This method is a combination of analytical approach based on model study of actual underground...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-155
... Railways, and through computer simulation of ground displacement behavior utilizing the finite element method. BRIEF DESCRIPTION OF SHIN-USAMI TUNNEL Geological aspects of the site The tunnel site is located along the east coast of the Izu Peninsula. The ground structure consists primarily of...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-098
... displacement (11II) I JD' 1.1 Test NO.1 i'[HlbJTest NO.'Z , -, ~ . ~. ~ " ~ 01 en Ho'r~zonta'l'd;;Place~~n"t'(n) ~ H~rJZODt~i d;splac~~e luI (el Test NO.3 (d) Test No,4 Fig 2.5 Shear stress - holizontal displacement 3 COMPUTER SIMULATION 3.1 Method of simulation In order to simulate the direct shear tests for...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 21–24, 1981
Paper Number: ISRM-IS-1981-132
... of 7,000 kg/cm 2 and Poisson's ratio 0.4. The yield condition is of the Drucker-Prager type; where I 1 and J' 2 indicate the first stress invariant and the second invariant of the deviatoric stress. structural geology Simulation front face elastoplastic analysis numerical analysis...
Proceedings Papers

Paper presented at the ISRM International Symposium, September 27–29, 1978
Paper Number: ISRM-IS-1978-026
... regression Simulation objective Wave Propagation Law confidence interval dynamic behavior residual relative explosive charge judicious determination representativeness fundamental condition test stage consideration determination propagation law criteria regression curve...

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