Analysis of large scale non-coal underground mining methods

  • 4.31 MB
  • English
U.S. Department of Commerce, National Technical Information Service , Springfield (Va.)
Statementprepared for U.S. Department of the Interior [by] Dravo Corporation.
ContributionsUnited States. Department of the Interior.
ID Numbers
Open LibraryOL21399573M

The report represents the views of nearly one-half of the large underground mine operators in the United States regarding the technology and research needs of their industry.

The report describes current practices for various mining methods, including block caving, room and pillar mining, in situ mining, and variations of these methods.

Get this from a library. Analysis of large scale non-coal underground mining methods. [United States. Bureau of Mines.; Dravo Corporation.;]. UNESCO – EOLSS SAMPLE CHAPTERS CIVIL ENGINEERING – Vol.

II - Underground Mining Methods and Equipment - S. Okubo and J. Yamatomi ©Encyclopedia of Life Support Systems (EOLSS) 2. Strength of the hanging wall, footwall, and ore body. Economic value of the ore and grade distribution within the Size: KB. Analysis of large scale non-coal underground mining methods.

N.T.I.S., U.S. Department of Commerce,pp. The production of aggregates by underground mining methods-development of a simulation technique for prefeasibility analysis.

Minerals and the Environment 1, – ().

Description Analysis of large scale non-coal underground mining methods FB2

https Cited by: 1. Modern river towboats by Dravo Corporation (Book) Cranes: whirlers, gantry cranes, floating cranes, hoists, coal & ore bridges, unloaders, special purpose installations by Dravo Corporation (Book).

Underground mining is the process of extracting minerals and ores that are located too far underground to be mined efficiently using surface mining methods.

The primary objective of underground mining is to extract ore safely and economically while minimizing handling of waste rock. Typically, underground mine has less environmental impact. "The Direct Use of Coal," Office of Technology Assessment, U.S.

Congress, undated. "Coal Data Book," President's Commission on Analysis of large scale non-coal underground mining methods book, "Analysis of Large-Scale Non-Coal Underground Mining Methods," prepared by Dravo Corporation for the U.S.

Bureau of Mines, Surface and Underground Mining. BuMines IC, pp. Bureau of Mines Cost Estimating System Handbook (in two parts), 2. Mineral Processing. BuMines IC, pp. Smith, R C. PREVAL- Prefeasibility Software Program for Eval­uating Mineral Deposits. BuMines IC, 6.

Canadian Mining Journal. Mining Source Book. Analysis of large-scale non-coal underground mining methods: Report. US Bur. Mines, Open File Report, OFR 36–74, Contract No. S, Jan.P Dravo Corp. Page A8. The digital register should hold information on both formal abandonment plans and any other non-coal underground mine plans and sections.

Whilst this partnership no longer exists, BGS and TCA have continued to work together to make information about the extent of historic underground mining of non-coal minerals in Britain more accessible.

Underground Mining is usually classified in three categories of methods: Unsupported, Supported, and Caving Thickness, m: Ore bodies Coal seams 0 Sgt tipis/narrow below 0,5 Sgt tipis 2 Tipis/thin 1,3 Tipis 2 5 Sdg Tebal 1,3 3,5 Sdg/moderate 5 15/20 Tebal/thick over 3,5.

Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

In the United Kingdom and South Africa, a coal mine and its structures are a colliery, a coal mine is a 'pit', and. Forms of coal range from soft (lignite) to hard coals (bituminous and anthracite) with higher carbon content. Anthracite, historically mined in Pennsylvania, has the highest carbon content (86 to 97 percent) and now accounts for only around 8 percent of coal production in the United States and percent of the nation’s underground mining (EIA, a,b).

Subsidence Mechanism and Stability Assessment Methods for Partial Extraction Mines for Sustainable Development of Mining Cities—A Review Article (PDF Available) in Sustainability 10(1) plotted accurately on mine plans at a scale of aroundEven if base maps at a smaller scale (e.g.

,) are used in the initial stages of the program, surveying of boreholes, seismic lines and other sites should be precise enough to allow plotting at the larger scale when mining is under Size: KB.

Details Analysis of large scale non-coal underground mining methods EPUB

hazards due to mining method and mining sequences and any other large scale operation. in a non-coal mine is analyzed and evaluated by using fuzzy fault tree analysis and dynamic fuzzy.

@article{osti_, title = {Energy consumption in open pit mining}, author = {Nilsson, D. and Reddy, N.P.}, abstractNote = {This article evaluates energy consumption in overburden stripping using draglines, shovels and trucks, and scrapers. Each of these systems is specified.

In the dragline mine, overburden preparation, blasting, and reclamation are specified. One of the most significant tools when designing fire safety in an underground mine is the design fire methodology. This paper presents a number of design fire scenarios which were developed from risk assessments and risk analysis where a deterministic approach was implemented and where the results from earlier full-scale fire experiments in underground mines and analysis were included in the Author: Rickard Hansen.

EPA//R/ March PREDICTING ACID GENERATION FROM NON-COAL MINING WASTES: Notes of the July Workshop by Thomas A. Hinners Quality Assurance and Methods Development Division U.S. Environmental Protection Agency Las Vegas, Nevada and Science Applications International Corporation Falls Church, Virginia Contract Number C2.

III.A. Industrial Processes in the Non-Fuel, Non-Metal Mining Industry Minerals extraction is broadly divided into three basic methods: open- pit or surface, underground, and solution mining.

The mining method used depends on the particular mineral, the nature of the deposit, and the location of the deposit. This report presents background information on present mining methods, operations, equipment and economics, in addition to problems and future trends. This information is required to support the development of the computerized modeling system which can.

An Introduction to Coal Quality. By Stanley P. Schweinfurth. increasingly large-scale use of coal in the United States and in many other industrialized and developing nations has resulted non-coal scientists, and the general public with some basic information on.

Choosing a suitable underground mining method to extract a mineral deposit is very important in terms of economics, safety and productivity of mining operations (Alpay and Yavuz, ).

Pabedana coal mine is an underground mine operated by government and at present is administered by a private company. It consists of selected material from the out-of-print industry standard, Underground Mining Methods Handbook.

More than 40 chapters covering such underground mining topics as sampling, planning, reserve analysis, cost calculations, various methods of support, block and panel caving, and sublevel caving make up this comprehensive text.

The soil organic carbon (SOC) pool in farmland is changing rapidly due to human activities, thereby greatly affecting the regional and global environment, as well as influencing soil fertility and crop yields.

The present study investigated the effects of underground coal mining on the regional SOC pool in farmland in the Jiuli Mining Area of Xuzhou City in China as a typical coal mining Cited by: 1. However, it is often more costly and may entail greater safety risks for workers than surface mining.

There are several different methods of underground mining. The selection of underground mining methods is primarily based on a set of factors associated with geology of the deposit (e.g.

Geometry, quality of rock and ore variability) and economics. Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious metals such as gold, platinum and silver, and large scale coal mining all produces wastewater (, ).

As discussed below, this waste water is usually mine drainage pumped from mining areas, water used and discharged from the processing of the. Xiong D., et al. Analysis of the blasting vibration characteristics during light rail tunnelling. Journal of Railway Science and Engineering, Global J. Cardox system brings benefits in the mining of large coal.

Coal International, Vol., p. Author: Shijie Liu, Zhenghong Huang. Mining Equipment, This mining industry energy bandwidth analysis was conducted to assist the, average energy consumption of key equipment used in coal.

Coal mining - Wikipedia Coal mining is the process of extracting coal from the ground Coal is valued for its energy content, As the longwall mining equipment moves forward. (1) Background: Coal mining operations caused severe land subsidence and altered the distributions of soil nutrients that influenced by multiple environmental factors at different scales.

However, the prediction performances for soil nutrients based on their scale-specific relationships with influencing factors remains undefined in the coal mining area. The objective of this study was to. coal underground mining methods bibliographyUnderground Mining Methods and Equipment PDF 文件.

Underground Mining Machinery Glossary Bibliography in non-coal mining for the pillars to &gold underground mining methods bibliography SITUATION ANALYSIS OF THE SMALL-SCALE GOLD. (REVISED) Note: The Complete Book of Modern Gold.Of those 46% worked in open cast coal mining, 40% underground coal mining, 10% processing and 4% worked in all three types of coal mining.

Download Analysis of large scale non-coal underground mining methods PDF

Manager/Professional Data. Pakeha 94%. Maori 6%. Other ethnic groups Nil. Male 94%. Female 6%. Average hours worked per week 52 Relevant Experience/Qualifications before entering industry 47%.

In this article, Jeanette Fitzsimons considers an issue with very important implications for both the coal industry and the prospects of making major greenhouse gas emissions reductions: whether, and to what extent, we can make steel without using coal. We welcome your comments and feedback – please send your responses to [email protected] Can we make [ ].