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Keywords: classification
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1226
.... Two models were developed: a predictive (fitting) model and a classification model. The results indicate that ANN, as a prediction model, is not appropriate for dilution because of a low prediction capability observed (R 2 = 0.57). On the other hand, the classifier model showed good classification...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1254
... provided by transportation authorities and other governing bodies have been analyzed (McCauley et al., 1985; Delonca et al., 2014). us government rockfall activity artificial intelligence calculation classification rock slope machine learning rockfall bedrock floyd hill point cloud...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1225
... underground excavation damages induced by mine seismicity in order to efficiently control a ground prone to rockburst. machine learning artificial intelligence reservoir characterization evolutionary algorithm upstream oil & gas classification performance corresponding classification rock...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1623
... methods. Various cavings will circulate to the ground with drilling fluid when wellbore instability. These cavings are the foremost indicator of wellbore deterioration and have a potential link to the mechanism of borehole failure. Unfortunately, the current approaches for classification and mechanism...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0017
... ABSTRACT: As shallower deposits in many mining jurisdictions are depleted, it is becoming more common to mine in deeper and more challenging ground conditions. This paper provides a discussion of empirical support design methods using the following rock mass classifications: Barton's Q System...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1040
... simulation fem model classification fem simulation framework model finite element run time workflow perturbation ARMA 21 1040 Comparison of Finite Element and Elastic Dislocation Methods for Modeling Discrete Fault Stress Perturbations Busetti, S. Aramco Services Company: Aramco Research Center...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1051
...); Chesapeake reported casing damages in the Eagle Ford and the Powder River Basin (Hoffman et al., 2020). In many cases, operators have had to skip fracturing stages or even abandon wells. These have negative impacts on stimulation efficiency and production. saudi arabia government classification...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0325
... to panel width ratio was constructed for the calculation of abutment angle for deep cover cases. Finally, the new abutment angle equation was tested using 336 deep cover cases from the ARMPS2010 database. The new abutment angle equation was found to perform a good classification compared to using 21...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1634
... & Gas cavern stability continuum model Symposium cavern cross section Reservoir Characterization burial hole classification rock mass sidewall fracture jointed model excavation construction 1. INTRODUCTION Utilization of underground spaces is rapidly increasing over the years...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1791
... ABSTRACT: Lithological classification of geological formations usually depends on the geologist’ expertise through a laborious and time consuming process. Automating the rock classification procedure is a step towards fast and accurate characterization of geological formations where large...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2093
.... In this paper, a recent case study is presented which highlights the challenges associated with the geotechnical characterization of a rock mass containing vein stockwork from a deep block cave mine. Associated data collection difficulties are detailed, including classification of the different structure types...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2021
... information from the back analysis of the same stopes and using the software c. Reservoir Characterization Upstream Oil & Gas metals & mining stope knowledge management reservoir geomechanics classification orientation Mathew major geological fault information Stability Graph Method...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1021
... measures, consisting of rock bolts and wire mesh. In response to the event, mapping and stability assessment was performed at several locations throughout the tunnel. Rock mapping, scanline surveys, and LiDAR data evaluation were used as the basis for rock mass classification, characterization of rock...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1160
..., and seismic radiated energy. Upstream Oil & Gas cyclic injection hydraulic fracturing Efficiency amplitude cubic granite sample uniform cyclic injection Reservoir Characterization breakdown pressure classification crack mode classification maximum ae amplitude Injection Rate continuous...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1069
... intensity classification rockburst event Rock mechanics prediction posterior predictive distribution strength category model parameter metals & mining classification criteria rockburst intensity rockburst intensity mechanics Bayesian approach adoko 1. INTRODUCTION Rockburst...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-071
... and 3D rendering of slope measurements, and (4) the quantification and automation of geological evaluations of the tunnel face or slope excavation as it exists at the construction site. Reservoir Characterization classification Engineer Artificial Intelligence geological situation stability...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-105
... network accuracy neural network classification circulation sample gini index Artificial Intelligence circulation Support Vector Machine algorithm Drilling random forest model lithology Upstream Oil & Gas prediction model fracture node prediction random forest hyperplane 1...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-677
... conditions. Rockmass classification techniques used showed that the ground condition where the study was carried out is indeed weak, hence an adequate local support system is required to prevent falls of ground attributable to wedge failure. GPR scans and observations showed that the fallout height thickness...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-750
... Upstream Oil & Gas knowledge management US government metals & mining Pakalnis correlation proceedings strength support design shotcrete excavation Nevada RMR mesh classification database calculation rock mass Engineer guideline design curve Ground Support Surface Support...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-468
.... The work presented in this article can be used to improve the reliability of characterizing WVRs and corresponding strengths. reservoir geomechanics wvr rock block strength strength estimation classification rock mass strength vein Upstream Oil & Gas assessment veined rock mass rock...

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