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IC 8552 Bin Hopper Engineering And Bulk Materials Flow: A State-Of-The-Art Report On Empirical And Theoretical AnalysesBy W. G. Pariseau
This Bureau of Mines report is an evaluation of the state of knowledge about gravity flow from bin hoppers, the most commonly used method of handling bulk materials where the force of gravity is used.
Jan 1, 1972
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Evaluation Of The Impact Of Standing Support On Ground Behavior In Longwall TailgatesBy Thomas M. Barczak, Dennis R. Dolinar, Gabriel S. Esterhuizen
Longwall mines typically use some form of standing support for secondary roof support in longwall tailgate entries. Although there have been several new support products developed for this applicatio
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RI 3470 Annual Report Of The Mining Division, Fiscal Year 1939 ? Introduction (ad1993c2-9f15-4698-ae72-062d75f6d216)The annual reports of the supervising engineers of the seven sections comprising the Mining Division are assembled in the following pages and constitute the annual report of the division. In plann
Jan 1, 1939
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Mining Haul Truck Cab Noise: An Evaluation Of Three Acoustical EnvironmentsBy S. B. Bealko
Mining haul trucks comprise the majority of the equipment used in underground limestone mining operations and are known to emit high levels of noise. A previous study conducted by the National Instit
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RI 7045 Talc And Asbestos At Dadeville, Ala.By Thornton L. Neathery
Geologic investigation of a mineralized zone in eastern Alabama indicates that large quantities of talc and soapstone are scattered over a wide area close to the surface. Laboratory experiments show t
Jan 1, 1967
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IC 8129 Open Pit Operations At The Tripp Pit, Consolidated Coppermines Corp., Kimberly, Nev. ? Summary And IntroductionBy M. Clair Smith
This report is one of a series being prepared by the Bureau of Mines on exploration, development, mining methods, and costs at various open-pit mines in the United States. These reports have been prep
Jan 1, 1962
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IC 8068 Mining And Milling Methods And Costs, Vermont Asbestos Mines, The Ruberoid Co., Hyde Park, Vt. ? Introduction And SummaryBy H. L. Burmeister
This is one of a series of publications by the Bureau of Mines dealing with mining methods and costs at representative operations in the United States. The report describes all phases of the mining me
Jan 1, 1962
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OFR-75-79 A Statistical Evaluation Of The Effects Of Environmental And Operational Parameters On The Production Of Coal Mine DustBy G. D. Andria
Contract J0275007 was to consist of a thorough two-phase statistical analysis of respirable coal mine dust data from USBM Contracts H0232061, H0232060, H0230029, H0230031, H0210050, and H0242013. Cons
Jan 1, 1978
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Explosion Evaluation Of Mine Ventilation StoppingsBy J. E. Urosek, K. L. Cashdollar, D. A. Beiter, G. J. Shemon
The National Institute for Occupational Safety and Health (NIOSH) and the Mine Safety and Health Administration (MSHA) conducted joint research to evaluate explosion blast effects on mine ventilation
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OFR-84(5)-76 A Master Environmental Control And Mine System Design Simulator For Underground Coal Mining - Volume V - Subsidence SubsystemBy C. B. Manula
This report is volume 5 of an eleven-volume final report for a Grant completed by The Pennsylvania State University for the Bureau of Mines to develop a dynamic general purpose computer simulation mod
Jan 1, 1974
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RI 8280 Design Requirements for Uranium Ion Exchange From Ammonium Bicarbonate Solutions in a Fluidized SystemBy D. E. Traut
A fluidized countercurrent ion-exchange system was developed, operated, and evaluated by the U.S. Department of the Interior, Bureau of Mines. The system consisted of integrated multiple-compartment a
Jan 1, 1978
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OFR-61-82 Design And Develop Feasible Lighting System For Conventional Slopes Under ConstructionBy William F. Hahn
This report describes an illumination system suitable for use in a slope under construction, Simulator work was performed using actual lighting hardware to verify adequate light levels to meet MSHA pr
Jan 1, 1981
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RI 7356 Effects Of Type Of Cut, Delay, And Explosive On Underground Blasting In Frozen GravelBy Richard A. Dick
Underground blasting in permanently frozen gravel was studied in a 7-by 12-ft drift by running a nonreplicated 2 X 2 X 2 factorial experiment on the effects of type of cut, delay, and explosive on the
Jan 1, 1970
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Sound Power Level Study of a Roof BolterBy R. J. Matetic, J. S. Peterson, P. G. Kovalchik
The National Institute for Occupational Safety and Health (NIOSH) has initiated a study of a roof bolter to reduce noise exposure to mine roof-bolter operators. An important segment of this research e
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Machine Injury Prediction by Simulation Using Human Models (0111a15c-4251-44e2-bc90-9d29854de8ad)By Dean H. Ambrose
This paper presents the results of a study using computer human modeling to examine machine appendage speed. The objective was to determine the impact of roof bolter machine appendage speed on the li
Jan 1, 2003
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OFR-98A-86 Human Resource Management Skills And Coal Mine Productivity - Final Report - Volume IBy Paul S. Goodman
Volume I This report presents the first national survey of miners' attitudes and opinions about their-work. The goal is to present attitudinal data that bears on coal production. Interviews w
Jan 1, 1985
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OFR-109-85 Advancement Of Cab And Canopy Design And Use In Coal MinesBy W. W. Aljoe
The use of protective canopies can result in canopy roofing and/or serious restrictions to operator comfort and vision. To document this experience, BCR conducted a field study of cab and canopy desig
Jan 1, 1981
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IC 8095 Methods And Costs Of Mining And Washing Manganese Ore, Batesville District, Arkansas ? Introduction And SummaryBy H. D. Kline
This paper is one of a series being prepared by the Bureau of Mines on methods, practices, and costs in various mining districts in the United States. The paper describes mining and ore recovery metho
Jan 1, 1962
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Technology News - No. 500 - Using In-Place Stone Stoppings To Direct Air in Underground Stone MinesTo improve the ventilation of large-opening under-ground stone mines by using stoppings made from stone left in place. Background Underground stone mines typically use large room-and-pillar open
Dec 1, 2002
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OFR-19-75 Development Of An Improved Type Of Coal Mine Dust Sampling Pump - GeneralThe purpose of the contract was to develop an improved coal mine dust sampler whose electrical-to-mechanical energy conversion efficiency would be superior to that of the presently available equipment
Jan 1, 1974