2 edition of Shaft-sinking practices and costs found in the catalog.
Shaft-sinking practices and costs
Eugene Delos Gardner
Includes bibliographical references and index.
|Statement||by E.D. Gardner and J. Fred Johnson.|
|Series||United States. Bureau of Mines. Bulletin ;, 357|
|Contributions||Johnson, J. Fred (John Frederick), 1887-|
|LC Classifications||TN23 .U4 no. 357|
|The Physical Object|
|Pagination||iii, 110 p.,  folded leaves :|
|Number of Pages||110|
|LC Control Number||32026929|
shaft sinking, excavation from the surface of an opening in the earth. Shafts, which are generally vertical, are usually distinguished from tunnels tunnel, underground passage usually made without removing the overlying rock or soil. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.
ic / shaft-sinking methods, practices, and costs of the consolidation coal co., and its no. mine, caretta, mcdowell co., west virignia, pb, $ 18 ic / methods and costs of concentrating scheelite ore at the silver dike mill, mineral county, nevada, Item No Description Units Ma Twelve-Month-Moving Usage; Quantity Avg Bid Quantity Avg Bid; STRUCT EXCAV: CY: ,
Shaft-sinking at Nickel Rim South Building the Nickel Rim South nickel-copper mine is a major development for Noranda-Falconbridge Ltd. in the Sudbury Basin of northeast Ontario. The job commenced in March , when funding was appro. Additional factors such as worker training and experience, equipment and sinking procedures, regulations, and enforcement practices were also investigated to determine their impact on shaft safety. The results of the study are summarized in recommendations for improved training of shaft miners and clarification of federal shaft-sinking regulations.
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Additional Physical Format: Online version: Gardner, E.D. (Eugene Delos), Shaft-sinking practices and costs. Washington: U.S.G.P.O., (OCoLC) From Introduction: "This paper describing the methods of sinking shafts is one of a series of mining practices and costs being prepared by the United States Bureau of Mines.
The best methods of performing all phases of shaft sinking are discussed herein, with particular to Cited by: 1. Shaft sinking for underground transportation purposes is a very complex technological process in mining and geotechnology which requires specific and specially designed technological equipment.
This technological process is dealt with for a long time, since mining is one of the oldest industries in the : $ The technical literature is replete with descriptions of and data on shaft sinking equipment, methods and costs. The subject of shaft sinking has been discussed at some length in an earlier Bureau of Mines bulletin.
A number of shaft-sinking operations are described in detail in the series of information circulars on mining methods and costs, to some of which reference will be made later. Vertical and Decline Shaft Sinking: Good Practices in Technique and Technology, International Mining Forum - CRC Press Book Shaft sinking for underground transportation purposes is a very complex technological process in mining and geotechnology which requires specific and specially designed technological equipment.
Papers presented at the Shaft Engineering conference, organized by the Institution of Mining and Metallurgy in association with the Institution of Civil Engineers and the Institution of Mining Engineers, and held in Harrogate, England, from 5 to 7 June, Costs of sinking a mine shaft vary with the size and depth of the shaft; nature of the rock (the ease with which it can be drilled and broken, and the nature and amount of support required); amount of water that must be handled, speed of sinking, organization of the work, and the equipment employed; and labor and other local conditions.
The effect of most of these factors upon costs is self. practices presents the most frequently used techniques and their implementation conditions in terms of risk situations and contexts. This handbook is intended for local or regional players in the post-mining area and for mine operator.
It identifies all criteria which may influence the choice of aFile Size: 1MB. Hard Rock Miner’s Handbook is a work of the heart. Jack—whose 40+ year career spanned engineering, construction, and operation of mining projects worldwide—conceived of and wrote the first edition of the Handbook, published in Juneto assist miners and engineers in the difficult world of hard rock mining.
It was his. The shaft of Mansar and Balaghat mines have made by Conventional Shaft sinking method but if this shaft would have been sunk with the advanced technologies like VSM and Shaft borer the production rate would have been raised to 30 % (Marks, ) with the sophisticated usage of manpower, increasing safety and reducing cost of capital on shaft.
COSTS OF SHAFT SINKING Fixed costs for circular shaft sinking: Unit costs for circular shaft sinking: Total costs for circular shaft sinking: where: D - diameter of shaft, m H - shaft depth, m 0 Shaft depth in m Fixed cost per meter in $/m Unit cost.
Shaft Sinking If the nature of the ground above the bedrock is not known, it is advisable to drill test holes. Sandy or running ground, especially if wet, offers difficulties in shaft sinking. A shaft-sinking plant consists of a headframe, hoisting equipment, an air-compressor for drills, File Size: 1MB.
Shaft-sinking methods and costs and cost of plant and equipment at the Fad shaft, Eureka Corp., Ltd., Eureka, Nev. Paperback – January 1, by George W. Mitchell (Author) See all 2 formats and editions Hide other formats and editions. Price New from Used from Price: $ Get this from a library.
Vertical and decline shaft sinking: good practices in technique and technology: International Mining Forum [Jerzy Kicki; Eugeniusz J Sobczyk; Paweł Kamiński;] -- This publication presents the technical papers that were presented at the International Mining Forum This forum is a meeting place of scientists and professionals who are engaged in confronting.
Shaft Sinking and Mining Contractors Conference D Visser Page 7 6. Methodology The raise bore HG machine was mobilized to site and Murray and Roberts Cementation was responsible for the drilling of the 3 by mm pilot holes, the reaming of the 3 by 3, 8File Size: 1MB.
Conventional Shaft Sinking is a Drill-and-Blast excavation method that requires no restrictions on shaft depth or diameter.
Frontier-Kemper has sunk more than Production, Ventilation, and Service Shafts for mining projects in all types of geological conditions. Ausgabe 01_ The mostly applied shaft sinking method is conventional shaft sinking by drilling and blasting.
Using this method, almost any shaft geometry is feasible and challenging ground conditions can be sunk through with acceptable sinking performances. Particularly mucking and hoisting operations of the sinking cycle have a relevant impact on sinking performance and offer. Shaft-sinking Methods and Costs at the T.L.
Shaft, Eureka Corp., Eureka, Nev A. Johnson U.S. Department of the Interior, Bureau of Mines, - Shaft sinking - 25 pages. Thyssen Mining | Shaft Sinking. Thyssen Mining has been sinking shafts worldwide for over years. Whether it’s using conventional drill and blast methods or innovative mechanized systems, Thyssen Mining’s techniques continue to excel and grow as technology advances and safety standards increase.
Vertical shaft sinking practices throughout the world have evolved over the last century, with preferred methodologies in different countries being driven by local physical environments, source and culture of management and labour, legislative requirements, adoption of new technologies, geology andFile Size: KB.
Shaft Sinking Segmental concrete building process MAEROSE UTILITIES LIMITED Ground Work contractors UK Utility installation contractors, Groundworks, Pipework, Sewer works, CCTV Surveys & Reports.SHAFT-SINKING, an important operation in mining for reaching and working mineral deposits situated at a depth below the surface, whenever the topography does not admit of driving adits or tunnels.
Shafts are often sunk also in connexion with certain civil engineering works, e.g. at intervals along the line of a railway tunnel, for starting intermediate headings, thus securing more points of.Other articles where Shaft sinking is discussed: tunnels and underground excavations: Shaft sinking and drilling: Mining downward, generally from the surface, although occasionally from an underground chamber, is called shaft sinking.
In soil, shallow shafts are frequently supported with interlocking steel sheetpiling held by ring beams (circular rib sets); or a concrete caisson may be built.