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Keywords: MPa
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Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-427
..., consisting of drilling and blasting, loading, hauling and other auxiliary activities. diamond mining basalt mapping laubscher reservoir characterization lesotho estimation hoek reservoir geomechanics kimberlite classification mechanism satellite pipe mpa configuration discontinuity...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-432
... been proved by numerous experiments (Chen et al., 2017; Thenevin et al., 2017; Li et al., 2018). shear slippage technology china university young residual shear strength upstream oil & gas international journal beijing grout interface validate strength mpa rock mechanic mining...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-352
... 2670 2 longitudinal axis evaluation mpa west virginia university Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Numerical investigation of massive roof failure in an underground coal mine...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-355
...) and the material was characterized according to the general Hoek-Brown failure criterion (Hoek, Carranza-Torres and Corkum, 2002), as presented in the following equations. deformation mpa equation gsi 10 tunnel displacement crown construction diederich compressive strength designer criterion...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-392
... characterization equation mpa interpretation moscow coussy 2010 reduction flow in porous media rock mechanic exp procedure gulf professional publishing Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Hydro...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-395
..., a collaboration between CSIRO and Petrobras, developed from 2011 to 2013. The project aimed at evaluating petrophysics, geophysics and geomechanics aspects of carbonate reservoirs from the Campos basin. moduli elastic moduli loading mpa structural geology calculation plastic deformation limestone...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-397
... fracturing fluid deposition upstream oil & gas hydraulic fracturing ghassemi payzone fracture geometry mpa fracturing materials perforation viscosity 0 hydraulic fracture p-nf equation numerical implementation deformation Rock Mechanics for Natural Resources and Infrastructure...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-455
... Abstract The Hoek-Brown strength criterion is the most used tool for rock mass strength estimate. For weak rocks, with UCS in the range of 3 to 15 MPa, this strength criterion using the GSI or RMR 76 (Bieniawski) classification system yields conservative strength parameters, as observed...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-456
.... strength highland valley copper figure 6 stiffness tensile strength variation canada international journal upstream oil & gas alzo equilibrium engineering reservoir characterization ubi perpendicular strength variation tosney voronoi tessellation mpa deformation Rock Mechanics...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-311
... observed that the effective stress ratio, K0, increases from 0.62 at 0.1 MPa to 0.9 at 64 MPa. The friction angle decreases from 28° to 11.8° over the same stress range (Figure 1). In addition, normalized undrained strength decreases to one-third of its low-stress value. These observations contradict basic...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-313
... employing cloud computing technology. Discussions are then presented based on the results obtained. lac du bonnet granite intensity cohesion mpa reservoir characterization extended rbsn rasmussen table 1 contribution reservoir geomechanics bonnet granite tensile strength variance...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-317
.... stope hoek-brown compressive sf probabilistic numerical evaluation transverse pillar reservoir characterization compressive sf canada numerical modeling metals & mining stability probability instability reservoir geomechanics variability quebec compressive pof flac3d mpa rock...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-330
...) was 50 MPa and also was D = 0 and D = 0.5 for situation formed in surrounding rocks based on blasting. The under condition, the numerical analyses were made by Phase2 software. As a result, in this parametric study, a total of 100 scenarios were analysis. The optimum thickness (t c , m) of concrete...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-332
... than 300 MPa has been proposed based on the numerical results. 1 Introduction The Himalayas has a relatively large potential of hydropower and many hydropower projects are currently under construction. Many of these projects involve large underground constructions including headrace tunnels, large...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-333
... management reservoir characterization upstream oil & gas strength threshold mechanism reservoir geomechanics excavation tensile strength tunnel international journal fracture transition boundary mpa mining science cobourg limestone evolution rock mechanic confinement displacement...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-335
... reinforcement paste pastefill barricade thickness shotcrete barricade barricade thickness stope mpa upstream oil & gas strength arched barricade displacement roadway criterion modeling shotcrete thickness design shotcrete-rock interface maximum Rock Mechanics for Natural Resources...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-339
... another (Salehi et al. 2007). Laser effects appear in two steps in rocks, firstly, the creation of a hole in the rock and secondary include melting, evaporation, laser beam gases and micro fractures. modeling & simulation finite element method fracture structural geology limestone mpa...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-341
... characterization rock mech min sci coal mining reservoir geomechanics strength mpa united states government metals & mining yielding assessment kumar extensometer criterion monitoring pillar strength displacement waclawik instrument strata Rock Mechanics for Natural Resources...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-102
... characterization equation packer layout migration pgz1202 reservoir geomechanics repository mpa displacement flowrate hydraulic conductivity url Rock Mechanics for Natural Resources and Infrastructure Development Fontoura, Rocca & Pavón Mendoza (Eds) © 2020 ISRM, ISBN 978-0-367-42284-4 Effect...
Proceedings Papers

Paper presented at the 14th ISRM Congress, September 13–18, 2019
Paper Number: ISRM-14CONGRESS-2019-112
...). upstream oil & gas deformation damage evolution characteristic plastic deformation accumulation loading specimen boundary borehole excavation reservoir characterization characteristic underground engineering rock mechanic elastic plasticity deformation reservoir geomechanics mpa...

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