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- W2895874648 abstract "Abstract The article presents the current topic of the possibility of mechanical extraction of hard and abrasive rocks using mechanized wall systems. The problem of extracting ores from thin strata precludes the possibility of further use of current technologies involving a human at the face. Currently, the operation is carried out using explosives in column-pillar systems. In systems with a chamber column, all major processes are mechanized and carried out by self-propelled drilling and bolting machines, loaders as well as hauling and auxiliary trucks. These machines are operated in the workplace by operators. For many years, effective mechanical excavation methods were sought that would allow the development of a mining machine and a mechanised longwall complex. Such a complex is to allow excavation without the presence of humans at the face. The article presents the current technical capabilities, assumptions and requirements for such a solution. Then, an innovative longwall complex equipped with a disc shearer is introduced. The technology of work and achievable productivity are briefly presented. A worn shearer, a face conveyor and a powered support are the subject of AGH inventions." @default.
- W2895874648 created "2018-10-26" @default.
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- W2895874648 date "2018-09-01" @default.
- W2895874648 modified "2023-10-14" @default.
- W2895874648 title "Mechanisation of Longwall Extraction of Hard and Abrasive Rocks" @default.
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- W2895874648 doi "https://doi.org/10.2478/mape-2018-0042" @default.
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