mechanical excavation mining

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  Mechanical excavation - About Tunnelling - ITA-AITES

  Mechanical excavation - The removal of soil or rock by means of heavy cutting or digging equipment (not hand-held). Distinguished from hand mining and drill-and-bla...

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  (PDF) Asteroid Mining - ResearchGate

  2013910 · This paper presents the results from the Phase 1 NASA Innovative and Advanced Concepts (NIAC) investigation for the Robotic Asteroid Prospector (RAP). The project investigated several aspects of ...

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  [PDF] Mechanical behavior of coal under true triaxial loading …

  2023320 · A uniaxial stress monitoring method is proposed to catch the field abutment pressure. A stress model of coal considering mining and excavation disturbance is proposed. The true triaxial stress path in the laboratory to simulate different zones is designed. Abstract In order to understand the mechanical behavior of a stope and …

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  Numerical and Preliminary In Situ Investigation on Roadway Excavation ...

  2024125 · This paper introduced a new nonexplosive roadway excavation method, combining the reserved free space technology and the static expansion mechanical fracturing technology, where the former is implemented by the gasbag, while the piston splitter is for the latter. The numerical model of roadway excavation was set up via …

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  Underground mining | Epiroc US

  4  · The proven underground mining supplier. For more than 140 years, Epiroc has been a leading supplier of mining and rock excavation equipment. Today, in addition to offering a comprehensive range of products, we also help clients optimize underground mining projects. We can help with operator training, equipment optimization, service plans …

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  Slope Failure of Shilu Metal Mine Transition from Open-Pit …

  2024126 · The instability of slopes and ground subsidence caused by the conversion from open-pit to underground mining are important aspects of mining disaster research. This study focuses on the instability of slopes and ground subsidence during the conversion from open-pit to underground mining in the Beiyi mining area of the Shilu iron ore mine. Using …

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  Non-explosive mechanized and intelligent mining/heading …

  202411 · The non-explosive mechanized mining and heading is an alternative approach to traditional drilling and blasting method for excavating the deep hard rock, the intellectualized upgrade of which includes smart perception, wise decision and intelligent control. Based on the comprehensive analyses for two key problems (rock breakage and …

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  In-situ experiments on an excavation disturbed zone …

  200041 · This paper describes the result of an in situ excavation disturbance experiment using mechanical excavation with a boom header at the Tono mine and compares the findings with results obtained using blasting.

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  Mechanization of underground mining: a quick look …

  200111 · Abstract. Mine mechanization, especially the mechanization of underground hard rock mines provides a large potential for reduced costs and improved profitability. This paper examines a number of successful developments mechanizing underground mine excavation, including raises, shafts, tunnels, and stopes.

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  Roadheader applications in mining and tunneling …

  202313 · The additional benefits of mechanical mining include significantly improved safety, reduced ground support requirements and fewer personnel. These advantages coupled with recent enhancements in machine performance and reliability have resulted in mechanical miners taking a larger share of the rock excavation market.

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