Results 111 to 120 of about 16,297,520 (247)
Deep Underground Science and Engineering, EarlyView.This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu +8 more
wiley +1 more source
Open-pit mining auto transport data processing
Increasing the efficiency of mining dump trucks is impossible without a scientific assessment of the level of organization of quarry technological processes, operating conditions and quality indicators.
Borya Orkhontuul (20180022) +5 more
core +1 more source
Sagamore Mine, blast in open pit
, 2022 Date scanned: 2002-6-11.USBM #61634; Blast in open pit. Sagamore Mine, Pickands, Mather & Company, Riverton, Minnesota. - M. S. Petersen - September 1945.Held in the Russell L. and Lyn Wood Mining History Archive, Arthur Lakes Library, Colorado School of
Petersen, Max S.
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Deep Underground Science and Engineering, EarlyView.In response to the problem of strong mining pressure manifestation along the goaf roadway in a thick coal seam mining area, this study uses a new type of combined blasting roof cutting technology to effectively control the manifestation and deformation of mining pressure along the goaf roadway.
Xiaoding Xu +6 more
wiley +1 more source
A Study on the Optimization Algorithms for Determining Open-Pit and Underground Mining Limits
, 2007 Determination of Mining Limits (ML) for each of Open-Pit (OP) and Underground (Ug) is one of the most significant part impacts the economic aspects. Optimization process for the mentioned objective in both of OP and Ug mining was done on the economic ...
Oraee, Kazem, Shahriar, Kourosh
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Deep Underground Science and Engineering, EarlyView.The fused data extracted from the distributed monitoring system as the data basis, combined with dynamic geological data, are imported into a deep learning model. As the geological conditions of mining and excavation change, the risk of water inrush at the working face is retrieved in real time.
Yongjie Li +4 more
wiley +1 more source
Deep Underground Science and Engineering, EarlyView.This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
, 2022 #11; Evergreen Mines Company, Alice Mine. Area of blast seen in No. 7. Eveleth, Minnesota. - October 1941.Date scanned: 2002-6-12.Held in the Russell L.
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Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Dynamic response at the terminus of oblique intersecting joints subjected to stress waves
Deep Underground Science and Engineering, EarlyView.This study derives the propagation equation for stress waves impinging upon nonlinear oblique intersecting joints. It analyzes the dynamic response at the terminus of nonlinear oblique intersecting joints subjected to stress waves. Abstract To investigate the dynamic response at the terminus of oblique intersecting joints subjected to stress waves, a ...
Gang Hu +4 more
wiley +1 more source