КНИГИ НА АНГЛИЙСКИЙ ЯЗЫКЕ, ИМЕЮЩЕЕ ОТНОШЕНИЕ К СЛОВУ «LONGWALL»
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Describes longwall mining and compares it with other underground mining methods. Describes major changes in the geologic, technological, and operating characteristics of longwall mining over the past decade.
Longwall. mining. -now. there's. a. better. way. to. get. at. the. coal. New
technology is making coal mining safer, cheaper, less wasteful By PETER
BRITTON The hills and valleys and fields and streams of much of our energy-
hungry nation lie ...
3
Mining, Challenges of the 21st Century
These longwall production data do not include production from longwall entry
development. This paper addresses higher production volume longwall mining.
This mandates caving of the roof rather than back-filling methods. It is recognised
...
Ajoy K. Ghose, B. B. Dhar,
2000
4
Principles and Practices of Modern Coal Mining
7.1 GENERAL In India, currently only about 2% of underground coal production
comes from longwall mining but, it is planned to increase production by longwall
mining to some 40% by 2000 A.D. In the USA, Australia, South Africa, where bord
...
5
Strata Mechanics in Coal Mining
The extension of the application of longwall mining to pitching and steep pitching
coal seams with moderate thicknesses opens up a new era of mining. It would be
fair statement to say that to completely cover the topic of longwall mining a ...
6
Rock Mechanics: For underground mining
15.1 Classification of longwall and caving mining methods The
essentialgeomechanicalfeatures oflongwall andcaving methods ofmining were
outlined in Chapter 12. Longwall and caving methods are distinguished from
other mining methods ...
Barry H. G. Brady, Edwin T. Brown,
2007
7
Computer Applications in the Mineral Industries
context of possible geological models, the current fault simulations provide a
perfect tool to generate these multiple equal-probable fault models for longwall
design and planning. Figure 2 shows two realisations of fault systems
underground, ...
8
Engineering Geology Applied to the Design and Operation of ...
May often be hazardous to miners and mining machinery because active mining
areas are located near actively caving, or caved areas II. Longwall Mining
Method (see, for example, Olson and Tandanand, 1977; Oitto, 1979; Poad and
others, ...
9
Stream Flow Characterization Over
Longwall Coal Mines in ...
Stream Flow Characterization over Longwall Coal Mines in Pennsylvania, Ohio,
and West Virginia Scott A. Wade Six streams were studied in Ohio, Pennsylvania,
and West Virginia to evaluate subsidence impacts from active and abandoned ...
10
Longwall Weighting Events at Phalen Colliery, Nova Scotia, ...
Chapter 3 -- History of Longwall Weightings at Phalen Colliery Introduction
Longwall mining commenced at Phalen Colliery in May of 1987. Initial longwalls
were designed with a face width of 150 meters. Face width was progressively ...
Robert J. MacDonald,
2000
НОВОСТИ, В КОТОРЫХ ВСТРЕЧАЕТСЯ ТЕРМИН «LONGWALL»
Здесь показано, как национальная и международная пресса использует термин
longwall в контексте приведенных ниже новостных статей.
Foresight Energy Reentry Plan Approved For Deer Run Mine | news …
This will allow Foresight personnel to evaluate the ventilation and longwall mining systems and to address any needed rehabilitation to the ... «SYS-CON Media, Июл 15»
Patriot Coal files disclosure statement - The Deal Pipeline (SAMPLE …
One notable exclusion from the Blackhawk deal is Patriot's Federal longwall mine and a related preparation plant. The debtor intends to auction ... «The Deal Pipeline, Июл 15»
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Alpha Natural Resources Downgraded by Sterne Agee CRT to …
The Company uses five different mining techniques to extract coal from the ground, which include longwall mining, room-and-pillar mining, ... «Dakota Financial News, Июл 15»
Alliance Resource Partners, LP Sees Large Growth in Short Interest
Other Operations, include: leasing of land and operating coal loading terminal; resell bought coal from non-affiliated producers; underground longwall mining ... «Dakota Financial News, Июл 15»
Cancer diagnostic firm takes on staff - Business Quarter
The company has recently raised additional funding from Longwall Venture Partners, Esperante Ventures and local investment from Northstar ... «BQ Live, Июл 15»
Shares of CONSOL Energy Inc. (NYSE:CNX) Sees Large Inflow of …
... Company (CCC) subsidiary, which includes all five of its longwall coal mines in West Virginia, to a subsidiary of Murray Energy Corporation. «Insider Trading Report, Июл 15»
Whitehaven Poised To Weather Coal Gloom - FNArena
Credit Suisse observes the company's Narrabri mine is set to become one of the best longwall operations in Australia. Nevertheless, investor ... «FN Arena News, Июл 15»
Alpha Natural Resources trading lower because of 3.8% fall in debt
... for mining including highwall mining, truck & front-end loader mining, truck & shovel mining, room & pillar mining and longwall mining. «Benchmark Reporter, Июл 15»
Foresight Energy Price Target Cut to $18.00 by Analysts at Citigroup …
The Williamson and Hillsboro complexes are each operating with one longwall system and Sugar Camp is operating with two longwall systems ... «Dakota Financial News, Июл 15»