Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Assessment of Ecotoxicology and Health Risk from Bioaccumulation in Fish of Heavy Metals and Metalloids from Historical Mine Practices in the Leichhardt River, Queensland, AustraliaBy T Huynh, V Matanitobua, J Zheng, B N. Noller, J C. Ng, H H. Harris
A risk assessment was undertaken of the aquatic ecosystem and bioaccumulation of metals and metalloids in fish at the Leichhardt River, Mount Isa, Queensland. Residual contamination of metals and meta
Jul 16, 2014
-
Assessment of In Situ Stresses at Depth Using Borehole BreakoutsBy Richard Simon
This paper presents an ongoing study on the use of borehole breakouts to estimate in situ stresses at depth in a Canadian underground mine. Breakouts were identified using an acoustic televiewer (ATV)
Jun 1, 2012
-
Assessment of Rock Cutting Efficiency by TBM Disc Cutter Using SPH/FE ModellingBy Seokwon Jeon, Ho-Young Jeong
"Various numerical methods have been tried to estimate the cutting forces of a TBM disc cutter. In this study, SPH/FEM coupled method was newly employed to improve the traditional FEM analysis. The di
Jan 1, 2016
-
Assessment of Rockburst Hazard by Quantifying the Consequence with Plastic Strain Work and Released Energy in Numerical ModelsBy R. Kaund
"Quantifying the rockburst consequence is of critical importance to reduce the hazards with preventative measures in underground mines and deep tunnels. Contours of energy components within a pillar m
Jan 1, 2018
-
Assessment of Sonic Waves and Tracer Gases as Non-Destructive Testing Methods to Evaluate the Condition and Integrity of In-Situ Underground Mine SealsBy K. T. Brashear
Since the MINER Act of 2006, the minimum static load of in-situ underground mine seals has been increased from 20-psi to either 50-psi if monitoring is conducted or 120-psi if left unmonitored. These
Feb 23, 2014
-
Assessment Of Stable And Failed Pillars In Underground Limestone MinesPillars in underground limestone mines are required to support the overburden and provide a safe, stable working environment for mining personnel and equipment. Pillar stability was assessed by the Na
Jan 1, 2008
-
Associations Between Whole-Body Vibration Exposureand Occupational and Personal Factors in Drill Operators in IndianIron Ore Mines Mining, Metallurgy and ExplorationBy Ashis Bhattacherjee, Rahul Upadhyay, Nearkasen Chau, Aditya Kumar Patra, Dhanjee Kumar Chaudhary
Heavy earth-moving machineries used in open-pit mines intensively expose the drill operators to whole-body vibration and shocks and thus to musculoskeletal disorders. The roles of an individual, machi
-
Atlantic City Paper - Chemical Specifications for Pig-Iron (Discussion, p. 986)By Edgar S. Cook
Portions of this paper repeat in substance the statements made by me in an address before the meeting of the American Society for Testing Materials, held in June, 1903, at Delaware Water Gap, Pa. The
Jan 1, 1905
-
Attrition ScrubbersBy W Baguley
Attritioning has been a method of improving mineral extraction for over 60 years, however it is only recently that an understanding of the mechanism employed and the improvement in efficiency that hav
Jul 15, 2013
-
Australian Proterozoic Mineral Systems: Essential Ingredients and Mappable CriteriaBy Jaques A. L, Heinrich C. A
Mt Todd lies towards the south end of the Pine Creek Geosyncline, sandwiched between the Cullen Batholith and the Edith Falls Basin, in an area of regionally metamorphosed sandstones, siltstones and
Jan 1, 1994
-
Australian Proterozoic Mineral Systems: Essential Ingredients and Mappable CriteriaBy C A Heinrich, Jaques A. L, L A I Wyborn
Most orebodies have cross-sections of less than I km2 and hence do not offer a particularly large target for exploration. Fortunately, although in the geological record ore deposits are small and rare
Jan 1, 1994
-
Australian Rock Bolt Steel Chemistry and Stress Corrosion CrackingIt's long been suspected that there has been an increase in the incidence of premature failure of rock bolts in underground coal mines over the past ten years. As far back as 2002 a study found a
Nov 25, 2010
-
Author's ReplyDr Hanekom I would like to thank Dr Hanekom for a very valuable -contribution; it summarizes careful statistical test work which was an omission from the original paper. Minor manipulative details, t
-
Author's Reply to DiscussionBy D. G. Krige
D. G. Krige: The stimulating contributions from Messrs Cooke, Curtis, Martus, Johnston, Van Wyk, Van Rensburg and Wroth are appreciated by the author and provide clear evidence of the importance not o
-
-
Autogenous And Semiautogenous Grinding Practices (c6a88065-9a47-4bae-82d9-d1bdabcc3a71)By J. H. Bassarear
Conventional crushing and grinding circuits are compared to semiautogenous circuits. Recent installations of each circuit are reviewed and seven methods of using autogenous or semi- autogenous techniq
Jan 1, 1981
-
Automated Loading and Hauling Experiences at De Beers Finsch MineBy R Grobler, D Burger, L Alberts
The current climate in the mining industry is allowing mining companies to further broaden their views and investigate technologies to improve the safety, efficiency and cost-effectiveness of their op
Jan 1, 2008
-
Automatic Sorting of Minerals: Current Status and Future OutlookBy T. P. R. de Jong, H. Harbeck
"This contribution reports recent mineral sorting experience and lists the opportunities of the newest generation of automatic sorters with a special focus on electromagnetic detection and Xray transm
Jan 1, 2005
-
Autonomous Haulage Growing Fast; Komatsu Continues to Innovate in Driverless Fleet SectorBy William Gleason
"Komatsu has been on the cutting edge of autonomous mining for the past 30 years and the company remains at the forefront of the technology that is changing from concept to a full-fledged reality.In 1
Dec 1, 2018
-
Autonomous Haulage Systems in Underground Mining – What is Required for Success?By A G. L Pratt
The record for autonomous haulage systems in underground mining over the past 15 years is patchy, marked by many trials and attempts, with few examples of sustained operation until relatively recently
Jun 22, 2016