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Longwall mining definition of Longwall mining by

Define Longwall mining. Longwall mining synonyms, Longwall mining pronunciation, Longwall mining translation, English dictionary definition of Longwall mining. n a method of extracting coal from a mine whereby a long wall of coal is mined at one time Collins English Dictionary

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Longwall Definition of Longwall at Dictionary

Longwall definition, noting or pertaining to a means of extracting coal or other minerals in an underground mine from a continuous face, the roof before the face being supported at intervals by temporary or movable artificial supports.

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Longwall mining definition by Babylon’s free dictionary

Longwall mining is used where the coalbed is thick and generally flat, where surface subsidence is acceptable. A shortwall mining system generally refers to the room-and-pillar mining in which the working face is wider than usual but smaller (less than 150 feet) than that in longwall mining.

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longwall mining dictionary ffhge

Longwall Definition of Longwall by Oxford Dictionary. The three main underground mining methods are stoping, roomandpillar mining, and longwall mining. A single longwall path can stretch for two miles, causing everything on the surface directly above it to collapse. In lucid terms, Booth first elaborates the mechanisms and impacts of the

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Longwall System Definition of Longwall System by

Longwall system definition is a method of coal mining in which the working face extends entirely across the seam, the work proceeds either away from or toward the main shaft, and the roof is allowed to cave in behind the workers.

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Dictionary:Longwall mining SEG Wiki

2021-5-28 · A long mining machine cuts a coal bed using a cutter that traverses back and forth along the length of the machine, the coal being removed by a conveyor belt and the waste deposited behind the machine. The roof is allowed to collapse after the machine passes.

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Longwall definition and meaning Collins English

a method of extracting coal from a mine whereby a long wall of coal is mined at one time

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longwall mining translation in German English

longwall mining translation in English German Reverso dictionary, see also 'long',longways',lowball',long-haul', examples, definition, conjugation

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Longwall Mining an overview ScienceDirect Topics

longwall mining Longwall mining is an underground method of excavating coal from tabular deposits, as well as soft mineral deposits such as potash. Large rectangular blocks of coal are defined during the development stage of the mine and are then extracted in a single continuous operation.

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Longwall mining : definition of Longwall mining and

The basic idea of longwall mining was developed in England in the late 17th century. Miners would undercut the coal along the width of the coal face, removing coal as it fell, and using wooden props to control the fall of the roof behind the face. this was known as the Shropshire method of mining. [1] While the technology has changed considerably, the basic idea remains the same, to remove

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Longwall mining definition Law Insider

Define Longwall mining. means a system of mining designed for full pillar extraction that minimizes the possibility of outburst or squeezes and allows total caving of the main roof in the pillar area.

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longwall mining dictionary ffhge

Longwall Definition of Longwall by Oxford Dictionary. The three main underground mining methods are stoping, roomandpillar mining, and longwall mining. A single longwall path can stretch for two miles, causing everything on the surface directly above it to collapse. In lucid terms, Booth first elaborates the mechanisms and impacts of the

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Dictionary:Longwall mining SEG Wiki

2021-5-28 · Dictionary:Longwall mining. ADVERTISEMENT. From SEG Wiki. Jump to: navigation, search. Other languages: English • ‎español. A long mining machine cuts a coal bed using a cutter that traverses back and forth along the length of the machine, the coal being removed by a conveyor belt and the waste deposited behind the machine.

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Longwall Mining an overview ScienceDirect Topics

In Dictionary of Energy (Second Edition), 2015. longwall mining Mining. a mining method in which very long rectangular blocks of coal are defined during the development stage of the mine and then extracted in a single continuous operation by an automated cutting head moving parallel to the coal face. When the coal is cut, the working area is

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longwall mining translation English-Spanish

longwall mining translation in English-Spanish dictionary. Cookies help us deliver our services. By using our services, you agree to our use of cookies.

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longwall mining translation in German English

longwall mining translation in English German Reverso dictionary, see also 'long',longways',lowball',long-haul', examples, definition, conjugation

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Definitions of longwall mining OneLook Dictionary

Longwall mining: Energy Dictionary [home, info] Computing (1 matching dictionary) Longwall mining: Encyclopedia [home, info] Words similar to longwall mining Usage examples for longwall mining Words that often appear near longwall mining Rhymes of longwall mining

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longwall mining : Dictionary / Wörterbuch

longwall mining : German Portuguese translations and synonyms (BEOLINGUS Online dictionary, TU Chemnitz) longwall mining : Deutsch Portugiesisch Übersetzungen und Synonyme (BEOLINGUS Online-Dictionary, TU Chemnitz) A service provided by TU Chemnitz supported by IBS and MIOTU/Mio2.

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longwall Wiktionary

2021-4-30 · (mining) A long wall of coal that is mined in a single slice. 1960, Colliery Guardian Overseas, page 50: In addition to its work on longwall faces, the A.B. Fifteen has been adapted for shortwall work either as undercutter or as overcutter, particular care having been taken to give it increased manoauvrability by the provision of special pulleys, and

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