longwall machines

longwall machines
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English-Russian mining dictionary. 2015.

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  • Underground mining equipment —   A coal cutting machine is used in conventional mining to undercut, top cut, or shear the coal face so that coal can be fractured easily when blasted. It cuts 9 to 13 feet into the bed.   Continuous auger machine is used in mining coalbeds less… …   Energy terms

  • coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • Coal mining — Men leaving a UK colliery at the close of a shift Surface coal mining in Wyo …   Wikipedia

  • Underground mining (soft rock) — refers to a group of underground mining techniques used to extract coal, oil shale and other minerals or geological materials from sedimentary ( soft ) rocks. Because deposits in sedimentary rocks are commonly layered and relatively less hard,… …   Wikipedia

  • Haveuse — Une haveuse (du wallon Xhavée : fossé, tranchée, vallée) est une machine utilisée dans des travaux souterrains afin d extraire des matériaux. Elles ont été initialement utilisée dans les mines pour réaliser un trait, une saignée mince et… …   Wikipédia en Français

  • Sociotechnical systems theory — is theory about the social aspects of people and society and technical aspects of machines and technology. Sociotechnical refers to the interrelatedness of social and technical aspects of an organisation. Sociotechnical theory therefore is about… …   Wikipedia

  • Meco-Moore Cutter Loader — The Meco Moore cutter loader was an early twentieth century British mining machine. It was invented by Mr M. Moore, and developed by the Mining Engineering Company (MECO) of Worcester. It was a heavy machine (120hp / 89.5 kW) and was first used… …   Wikipedia

  • Industrial history of the People's Republic of China — Main articles: Economy and economic history of the People s Republic of China. China s industrial sector has shown great progress since 1949, but in the late 1980s it remained undeveloped in many respects. Although the country manufactured… …   Wikipedia

  • Underground mine —   A mine where coal is produced by tunneling into the earth to the coalbed, which is then mined with underground mining equipment such as cutting machines and continuous, longwall, and shortwall mining machines. Underground mines are classified… …   Energy terms

  • Magnetometer — A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature. Some countries such as the USA, Canada and Australia classify the more sensitive… …   Wikipedia


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