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Keywords: mapping
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0834
... ABSTRACT: Spending time near highwalls, e.g., while performing geotechnical cell mapping, is a critical risk. Rio Tinto Kennecott (RTKC) is actively seeking out solutions to minimize this risk. To this end, RTKC employs Uncrewed Aerial Vehicles (UAVs) for 3D-model-based structural mapping. We...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0851
... ABSTRACT: In this paper, the applicability of Mixed Reality (MR) in combination with Uncrewed Aerial Vehicle (UAV) photogrammetry data is investigated to aid the cell mapping process at Rio Tinto's Bingham Canyon Mine. Cell mapping is critical for evaluating slope stability in mining...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0911
... mining science geology application reservoir characterization reprojection international journal mapping zhang ARMA 24 911 AI-Powered Semi-automated Trace Detection Techniques on 3D Digital Rock Mass Models Mehrishal, S. Kim, J. Department of Energy Resources Engineering, Seoul National...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1106
... of up to 3.8 and is mining at depths of 2.0 km, presenting a significant hazard to workers and assets. To address this challenge, the mine conducts long-term, medium-term, and short-term seismic analyses, geological mapping, and monitoring to determine the necessary controls and mitigation strategies...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0116
... briefly describes pillar conditions at a case study mining operation. Additionally, a framework is proposed to estimate pillar strength based on ongoing pillar mapping, risk management decision making, numerical modeling, and analytical hierarchy process. 1. INTRODUCTION The room-and-pillar mining...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0265
... are discussed and presented for a site in Pennsylvania. An analysis first begins with discontinuity mapping. In this study, quarry walls were mapped, and observations of active slope failures were made. The data collected were plotted on stereonets for cluster and kinematic analyses, which identified several...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0609
... monitoring play a key role in achieving the recommended slope design. Building the geomechanical model and subsequent slope design normally start with data collection by launching a drilling and testing program with or without outcrop or exposed bench mapping. As mining progresses, the initial slope design...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0741
... ABSTRACT Structurally controlled instability is a major failure mechanism in underground hard rock mines. From a design perspective, it is important to effectively define the structural regime to assess the potential rockmass failure mechanisms. In a mining context, detailed structural mapping...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0788
...) and low frequency strain (LF-DAS). Using a three-dimensional network of fibers during unconventional reservoir development we analyze the dual measurements taken from various vantage points. By using DAS receivers within vertical and horizontal well trajectories we do a full 3D MS mapping. The DAS MS...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1302
... ABSTRACT: Shale's micromechanical properties can be determined by nanoindentation. We employed the advanced accelerated property mapping mode to obtain the mechanical properties and its spatial distribution of a shale sample. Nanoindentation tests were conducted on the sample surface to obtain...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1979
... Abstract The Penhorwood Talc Mine slope design optimization is based on data collection from drone photogrammetry with resolution capabilities allowing for mapping of major structure and rock fabric (joints). The rock mass at Penhorwood is massive and the slope heights are limited; therefore...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1978
.... In one case in particular, Terrestrial Laser Scanning (TLS) is adopted to obtain a high-resolution 3D Digital Elevation Model (DEM) of the rock mass. countermeasure mapping rock fall knowledge management embankment digital elevation model rock cliff Engineering stability condition rock...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0038
... analyzed by linking erosional and depositional processes using 3D change detection algorithms. Results of 2D/3D rock engineering mapping and modelling have been integrated within an interactive 3D virtual/mixed reality (VR/MR) geodatabase model of the Jure field site, enabling an immersive and enhanced...
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-2018-284
... ABSTRACT: This paper briefly introduces a series of workflows for automated and digital geological surveying, mapping and analysis based on 3D photogrammetry. 3D photogrammetry technique can provide a lot of information data for reflecting a 3D, virtual, visual and digital engineering...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-516
... ABSTRACT: Photogrammetry is becoming a more common method for mapping geological and structural features in underground mines. The issue of capturing geological and structural data in inaccessible areas of mines, such as those that are unsupported, remains even when utilizing photogrammetric...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0537
... of Goldfields Ghana Limited, Tarkwa. Discontinuity mapping was conducted using scanline and window mapping. Rock Mass Rating (RMR) and Mining Rock Mass Rating (MRMR) systems were used to classify the rockmass. Results indicate average RMR and MRMR of 45.18% and 38.73% respectively. It was also found...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-1032
... ABSTRACT: The preparation of technically correct tunnel mapping sheets which present accurate factual geological and geotechnical information consistently throughout a project with differing mapping geologists or engineers, is a continual challenge. The importance of these records...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-441
... involves drilling and geophysical logging of holes, geologic and discontinuity mapping by geologists, and collection of core or rock samples for laboratory analysis. The data collected is utilized to conduct both deterministic and probabilistic assessment of kinematic and overall slope stability conditions...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-180
... known measurable rock falls occur. As is common, the source was inaccessible for bench scale mapping and the mapping was carried out using remote photogrammetric techniques. A discrete fracture network of the source was developed based on the remote mapping. Volume calculations followed three approaches...

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