... and orebodies within the South African context, is also documented (White et al ., 1990). However, large-scale adoption and use of GPR in the underground mining environment has been slow; mostly due to the high barriers associated with mine-wide implementation. metals & mining resolution real time...

.... The investigation consisted of the following aspects. Wellbore Design assessment wellbore integrity information metals & mining numerical approach intersection diameter McCracken investigation rock mass Reservoir Characterization Upstream Oil & Gas ground condition stability stand-up...

... the lease area. To the west, the Basal Reef sub-outcrops against the Leader Reef beyond the lease area. omni 89 Prop support unit reef metals & mining leader reef Johannesburg welkom installation mining efficiency support design shaft time unisel timber pack additional support...

... raise line span metals & mining elastic convergence seismic potency estimation Rock mechanics convergence closure deformation AfriRock 2017 Rock Mechanics for Africa Cape Town, 2 7 October 2017 The Southern African Institute of Mining and Metallurgy 497 Estimation of closure...

... of numerical models (Beck and Brady, 2001). glencore information seismic sensor Upstream Oil & Gas seismic array ramp development metals & mining Ramp seismic monitoring system sensor Hz geophone monitoring seismic system operation seismic monitoring array Reservoir...

... simplistic. Reservoir Characterization Wellbore Design criterion reservoir geomechanics Engineering metals & mining Upstream Oil & Gas slope design stability analysis wellbore integrity strength slope stability analysis safety factor surface mining strength property metallurgy...

...) and the operational ‘rockburst’ impact (risk). The assessment of the hazard of dynamic rupture is the subject of this paper. Reservoir Characterization Engineering dynamic rupture petrology hazard potential rockburst hazard potential metals & mining mechanism assessment stress concentration...

... Reservoir Characterization Upstream Oil & Gas reservoir geomechanics hydraulic fracturing Simulation time-dependent limit equilibrium model Malan Napier excavation metals & mining stope time-dependent closure decrease time-dependent closure decay convergence equilibrium...

... for Geoscience, personal communication, 2015). stope borehole Reservoir Characterization Cooke nakatani Earthquake sensor Upstream Oil & Gas Institute durrheim University reef shaft metals & mining Ogasawara Witwatersrand basin mitigate seismic risk southern african institute...

.... Institute proceedings high bench material property variability face angle bench height slope angle metals & mining slope height catchment capacity instability slope design optimization friction angle smaller bench height saprolite South Africa metallurgy AfriRock 2017 Rock...

... pillars, reached depths of several hundred metres. aftershock zone Earthquake rupture South Africa naoi Upstream Oil & Gas hypocentre geophysics kawakata Drilling metals & mining Rock mechanics aftershock nakatani active fault Reservoir Characterization seismogenic zone...

... Upstream Oil & Gas strength Wellbore Design roychowdhury rock failure mode failure mode metals & mining core axis Brazilian test indirect tension specimen granite diameter failure strength fine drill-hole uniaxial compression hydraulic fracturing fracture pattern...

... challenge. structural geology high geostress condition Reservoir Characterization Upstream Oil & Gas hard rock metals & mining renewable energy reservoir geomechanics Engineering cavern underground powerhouse cavern powerhouse Rock mechanics underground powerhouse rock mass...

... defects affects the mechanical and hydrogeological properties of the rock mass (Bye and Bell, 2001). Therefore, the assessment of geological structures forms an essential part of rock slope stability analysis and slope management. Reservoir Characterization metals & mining structural geology...

... the mine's management team with sufficient information to make a decision regarding changes. reserves evaluation keyblock layout Reservoir Characterization persistence information panel span metals & mining orientation support design database aspect ratio geotechnical environment panel...

...) and Polish parts of the USCB ( e.g . Dubinski and Konopko, 2000; Drzewiecki and Kabiesz, 2008). mining block konicek rockburst prevention metals & mining Rock mechanics longwall face rock mass seismic activity longwall panel Thickness borehole evaluation Longwall destress mining...

... crushing. While these are common occurrences on most mines using crush pillars, these factors have historically not been associated with poor pillar crushing or pillar seismicity. reservoir geomechanics metals & mining siding knowledge management Upstream Oil & Gas pillar behaviour...

... is deformation monitoring, since the phase difference between the two radar images can be related to the displacement that occurred with respect to the line-of-site (LOS) (Tarchi, 1999, 2003; Reeves, 2000; Luzi, 2010; Farina et al ,. 2011). metals & mining displacement vector ground-based...

... in a control room in real-time to gather data about the status of potential hazards. fatality digimine monitoring personnel displacement mean temperature control room underground mining environment fog accident accident injury metals & mining wireless sensor network crack displacement...

... the 1960s. Various recommendations were made and many of these are still used as best practice today ( e.g . Jager and Ryder, 1999). knowledge management reservoir simulation Malan extraction layout pillar mining hydraulic fracturing stope Napier metals & mining Upstream Oil & Gas...