2 edition of Leakage across a bituminous coal mine barrier found in the catalog.
Leakage across a bituminous coal mine barrier
Noel N. Moebs
Bibliography: p. 18.
|Statement||by Noel N. Moebs and Gary P. Sames.|
|Series||Report of investigations ;, 9280, Report of investigations (United States. Bureau of Mines) ;, 9280.|
|Contributions||Sames, Gary P.|
|LC Classifications||TN23 .U43 no. 9280, TN318 .U43 no. 9280|
|The Physical Object|
|Pagination||18 p. :|
|Number of Pages||18|
|LC Control Number||89600200|
Face ventilation in underground bituminous coal mines: airflow and methane distribution patterns in immediate face area-line brattice [Luxner, James V.] on *FREE* shipping on qualifying offers. Face ventilation in underground bituminous coal mines: airflow and methane distribution patterns in immediate face area-line bratticePrice: $ ILLINOIS STATE GEOLOGICAL SURVEY William W. Shilts, Chief E. Peabody Drive Champaign, Illinois Planned Coal MineCited by: 7.
RECORDS OF THE BITUMINOUS COAL LABOR BOARD 1 lin. ft. History: Established in the Department of Labor by the National Bituminous Coal Conservation Act (49 Stat. ), Aug , to mediate labor disputes in the coal industry. Abolished following the Supreme Court decision of rank. Bituminous coal is mined primarily in Alabama, West Virginia, Kentucky, Illinois, Indiana, Ohio, and Pennsylvania. Anthracite is the highest coal rank. Th is coal is commonly referred to as hard coal and is black and brittle with a glassy appearance. Anthra-cite coal has a carbon content that ranges from 86 to 98% and a slightly.
Leakage across a Bituminous Coal Mine Barrier, Report of Investigations Washington, DC: U.S. Bureau of Mines, 26 pp. Morgenstern, N. R. Managing Risk in Geotechnical Engineering, Third Casagrande Lecture. Pp. , vol. 4 in Proceedings of the 10th Pan American Conference on Soil Mechanics and Foundation Engineering, Guadalajara. Bituminous coal preparation plants performing such activities as cleaning, crushing, screening or sizing are included if operated in conjunction with a mine. Independent bituminous coal preparation plants are classified in Industry Coal mining, bituminous-underground ; Hard coal underground mining, except Pennsylvania anthracite.
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Additional Physical Format: Online version: Moebs, Noel N. Leakage across a bituminous coal mine barrier. Washington, D.C.: U.S. Dept. of Interior, Bureau of Mines, Unmined blocks of coal, called barriers, separate and restrict horizontal leakage between adjacent bituminous coal mines.
Understanding the leakage rate across such barriers is important in. Abstract. Unmined blocks of coal, called barriers, separate and restrict horizontal leakage between adjacent bituminous coal mines.
Understanding the leakage rate across such barriers is important in planning mine closure and strongly affects recharge calculations for postmining flooding.
The mine operator is working the thick Mammoth seam of relatively low-rank coal in the four corners region of Montana that is either of high-volatile bituminous C or sub bituminous coal rank. Due to the low rank of the mined coal, no methane is emitted from the coal bed with by: 3.
The shafts, slopes or drifts of an underground bituminous coal mine, either under construction, in use or abandoned, connected with excavations penetrating or intended to penetrate coal stratum or strata, which excavations are or were ventilated by air currents and connected by a method of transportation over which coal may be or was delivered.
Leakage across a bituminous coal mine barrier. Published Date: Language: English Inaccurate mine maps and ineffective barriers can constitute a serious problem for operators from both gradual inflows and sudden inrushes of water.
This report describes a wide but ineffective barrier that permitted an average gpm inflow to a. Moebs, Noel N.: Leakage across a bituminous coal mine barrier / (Washington, D.C.: U.S. Dept. of Interior, Bureau of Mines, ), also by Gary P. Sames and United States. Bureau of Mines (page images at HathiTrust).
minimize barrier failures and mine drainage problems. This research deals with the design of outcrop barrier widths, potential problems associated with impounding large volumes of water in an abandoned bi tuminous coal mine, outcrop grouting, and measures necessary to prevent seepage through a coal barrier.
The Bureau of Mines authorized Dames. Bituminous coal or black coal is a relatively soft coal containing a tarlike substance called bitumen or is of higher quality than lignite coal but of poorer quality than ion is usually the result of high pressure being exerted on lignite. Its coloration can be black or sometimes dark brown; often there are well-defined bands of bright and dull material within the.
Leakage across a bituminous coal mine barrier Personal Author: Moebs, Noel N.; Sames, Gary P.; Corporate Authors: United States.
Bureau of Mines. Published Date: Description: "The U.S. Bureau of Mines is conducting research on many topics relating to the hazards of coal mining, increased production, and protection of the environment. Cited by: 6. Define bituminous coal. bituminous coal synonyms, bituminous coal pronunciation, bituminous coal translation, English dictionary definition of bituminous coal.
A type of coal with a high percentage of volatile matter that burns with a smoky yellow flame. Underground Coal Mining in the Bituminous Coalfields 05/28/99 VI-6 Draft: Version 4 During underground mining in Greene and Washington Counties accounted for more than half of all the bituminous coal produced in Pennsylvania.
The top three producing longwall mines, all located in Greene County, accounted for 32% of all the bituminous coalFile Size: KB. Bituminous coal, also called soft coal, the most abundant form of coal, intermediate in rank between subbituminous coal and anthracite according to the coal classification used in the United States and Canada.
In Britain bituminous coal is commonly called “ steam coal,” and in Germany the term Steinkohle (“rock coal”) is used. In the United States and Canada bituminous coal is divided. Bituminous-coal Gruve 5 Mine, Adventdalen, Longyearbyen, Spitsbergen, Svalbard, Norway.
Bituminous-coal Washington Township, Licking Co., Ohio, USA. Hide all sections | Show all sections. About Bituminous-coalHide. Colour: Black. A coal with between % carbon content dry ash.
Leakage across a bituminous coal mine barrier / (Washington, D.C.: U.S. Dept. of Interior, Bureau of Mines, ) Corrosion of friction rock stabilizer steels in underground coal mine waters / ([Pittsburgh, PA]: U.S.
Dept. of the Interior, Bureau of Mines, ). underground mine workings to the land surface due to the failure of outcrop barrier pillar. The permit applicant must leave an unmined section of coal where the coal seam approaches the land surface so as to create an outcrop barrier pillar except: a.
Where the applicant has demonstrated in the permit application that basedFile Size: 15KB. Book. Jan ; N.N. Moebs.
G.P. Sames Leakage across a bituminous coal mine barrier. some practical applications of a geotechnical investigation conducted by the U.S. Bureau of Mines that.
Usually, all the stages of coal which doesn’t fall under lignite & anthracite will be categorized under Bituminous. Bituminous coal is a relatively soft coal containing a tarlike substance called bitumen. It is of higher quality than lignite coal. The types of accidents shown deal mostly with mine railroads and coal digging, and result from carelessness with equipment, improper digging methods, and.
Unmined blocks of coal, called barriers, separate and restrict horizontal leakage between adjacent bituminous coal mines. Understanding the leakage rate across such barriers is important in planning mine closure and strongly affects recharge calculations for postmining flooding.
This study presents upper-limit estimates for hydraulic Cited by: 6. coal mining in Pennsylvania is shown on a “Plan of Fort Pitt and Parts Adjacent” in Fort Pitt was located in what is now downtown Pitts-burgh where the Allegheny and Monongahela Rivers join to form the Ohio River.
The mine was located across the Monongahela River near the top of Coal Hill (now called Duquesne Heights).Safety Data Sheet Coal, Bituminous Page 4 of 4 Revised: 08/21/ Replaces: 06/15/ Printed: The information provided in this (Material) Safety Data Sheet represents a compilation of data drawn directly from various sources available to Size: KB.(a) Definition.
Special bituminous coal surface mines as used in this section means those bituminous coal surface mines that are located in the State of Wyoming and that are being mined or will be mined according to the following criteria: (1) Excavation of the mine pit takes place on a relatively limited site for an extended period of time.
For the purposes of this section, mine pit means an.