... sequence exposure procedure magnitude history laronde category risk management stope protocol operation workforce exposure evolution frequency ARMA 22 625 Control Measures to Manage Seismic Risk at the LaRonde Mine, a Deep and Seismically Active Operation Sasseville, G. Agnico Eagle Mines...

...% of that in the x-direction, which means the places on plates nearby the gouge vibrate in x- and y-direction in a similar pace, but with different magnitudes. The simulations may help reveal the complexities of earthquake source dynamics. Upstream Oil & Gas category x-velocity couple strength...

... test data shear strength envelope liquid limit category strength parameter strength envelope stress range shear strength shear strength data cat 2 1. INTRODUCTION Selection of appropriate shear strength parameters for mine spoil for slope stability assessment and design is a challenging...

... the rockburst intensity category among three rockburst criteria. The WinBUGS software was used to compute the posterior predictive distributions of the model parameters and the deviance information criterion (DIC) corresponding to the models. The DIC and the percentage of correctly predicted rockburst category...

... stability stable category classification sandstone instability risk management overburden thickness category nominal category decision tree roof rating rating category overburden depth regression sandstone channel intersection Intersection Type seepage 1. INTRODUCTION Studies have shown...

... geotechnical data category hole database disturbance limitation alteration intensity 1. INTRODUCTION During all phases of mine design (from exploration to operations), geological logging data is generally significantly more abundant and often more detailed than geotechnical records. When geotechnical...

... production performance. Reservoir Characterization Wellbore Design hydraulic fracturing reservoir geomechanics Upstream Oil & Gas category transform function reservoir exposure fracture natural fracture calibration geomechanical driver hydraulic fracture geomechanical model fracture...

... sonic log well logging log curve sonic slowness actual sonic log porosity mechanical property slowness Upstream Oil & Gas category simulated sonic log conductivity resistivity log rock mechanical property pore fluid salinity Reservoir Characterization fluid salinity correlation...

... ranged from about 2% up to 45% of the nominal contact area. Peak and residual friction coefficients were determined for three visually identified categories of bedding planes: fossiliferous, non-coated and mineralcoated, of which the fossiliferous bedding planes had the highest shear strength and mineral...

...) Reservoir Characterization Upstream Oil & Gas Wellbore Design reservoir geomechanics category linear white patch granite flaw pair geometry crack initiation stress inclination angle geometry marble specimen granite specimen hydraulic fracturing flaw inclination angle gypsum Coalescence...

.... The current study includes an investigation of the influence of rockbolt supports, thereby making a more direct connection to excavation design reservoir geomechanics modeling rockbolt support Upstream Oil & Gas category orientation combination parametric study rock mass metals & mining...

... (minimize both costs and environmental liability). Reservoir Characterization evaluation result waste management Upstream Oil & Gas hydraulic fracturing criteria category water management Thickness slurry fracture injection weighting factor Disposal operation porosity fracture...

... in geomechanic experiments, it is expedient to assess risk from these events and, depending on risk magnitude, plan and perform the corresponding preventive measures. structural geology Reservoir Characterization category Upstream Oil & Gas crisis situation risk management boundary Artificial...

... elements of these studies fall into two general categories, natural and cultural. Natural features include topographic slope, soil type/depth and/or rock exposures, vegetation and surface water features. Cultural or man-made features such as towns, roads, bridges and canals are also critical...

... dependent, transient condition was analyzed. reservoir geomechanics US government waste management displacement strength time history rock bolt Upstream Oil & Gas horizontal-to-vertical stress ratio seismic load Reservoir Characterization emplacement drift category stability rock...

... of the slope stability evaluation has always been a quite complicated problem. The main reason is the incompleteness and uncertainty of the information of the slope stability evaluation. The conventional methods of the slope stability evaluation can be classified into two categories, i. e. qualitative analysis...

.... US government category slope section rating system Rockfall Hazard assumption risk management stability analysis relative hazard factor hazard contingency planning information plane discontinuity individual slope section slope face rockfall history escape path rockfall hazard rating...

...- ponents learn first knowledge from prior case histories and set up nonlinear mapping between various affecting factors and the equivalent categories of rock masses. The knowledge thus learned can let the neural network recog- nizers access previous experience with similar excavations and identify...

... AE(acoustic emission) events were obtained during three different recording periods in 1991 in a coal mine in eastern Kentucky. Seven different categories based on signal waveform characteristics were observed. Frequency analysis was conducted on several events from each category. This paper presents...

... for these classification systems. 2 JOINT DESCRIPTION FOR GENERAL ROCK MASS CLASSIFICATION There are three general categories used to assess rock mass properties. These categories are intact rock strength, intact block size and geometry and joint surface con- dition. Among the categories used to describe rock mass...