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Numerical Analysis of a Rock Bolt Load Indicator Washer Neglecting the Stress Relaxation Effect Mining, Metallurgy and Exploration (1651f380-7da4-4089-a8ef-ce53aa560d38)
By Eugie Kabwe
Rock bolts are components of tunnel support structures and their efficacy in reinforcement requires the appropriate estimation of the bolt pre-tension. However, cases of ineffective rock bolt applicat
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RETC 2017 Full Proceedings - RETC2017
By COLIN A. LAWRENCE, Anthony Del Vescovo
All Rights Reserved. Printed in the United States of America. Information contained in this work has been obtained by SME, Inc. from sources believed to be reliable. However, neither SME nor its autho
Dec 1, 2017
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Ontario: A leader in Canadian mining
The Canadian mining industry is one of the strongest in the world. Not only does the country produce a sizable amount of minerals and metals, Canada plays host to hundreds of global mining companies,
Jan 4, 2010
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Regulatory Toxicology And Pharmacology - Session VI: Risk Assessment Of Asbestos And Other Fibrous Mineral Particulates: Rapporteur?s Report
1. Paper1?Identification and enumeration of asbestos fibers in the mining environment: mission and modification to the federal asbestos standard Arthur M. Langer Asbestos-related disease is increa
Jan 1, 2008
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The Tichauer-DeTomi Matrix: a Tool for Assessment of Geological Uncertainty in Small-scale Mining Mining, Metallurgy and Exploration (9437b467-4b8d-4115-856e-5795cdbb6370)
By Giorgio De Tomi, Ricardo Tichauer
Mineral exploration is a critical step for success in mining. However, small-scale mining often ignores exploration best practices. This paper introduces the Tichauer-DeTomi Matrix, a tool for assessm
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bauma Exhibitors Display Their Products to Largest Crowd Ever
The title of “the world’s biggest volume-produced hydraulic breaker,” that was held for more than a decade by the Atlas HB 7,000, changed hands with the launch of Atlas Copco’s HB 10,000 at bauma 2007
Jan 1, 2007
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The History Of Aggregate Development In The Denver, Co Area - Preprint 09-044
By W. H. Langer
At the start of the 20th century Denver?s population was 203,795. Most streets were unpaved. Buildings were constructed of wood frame or masonry. Transport was by horse-drawn-wagon or rail. Statewide,
Jan 1, 2009
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Cold-Model Study on the Maximum Penetration Distance of the Injection Lance in a Kaldo Furnace Mining, Metallurgy and Exploration (ce6397bf-f438-41da-92c1-b98240259c35)
By Manuel Pérez-Tello, María M. Salazar-Campoy, Óscar Rodríguez-Hoyos
A common problem during the operation of the Kaldo furnace is the formation of accretions and blockage of the injection lance due to splashing. This typically occurs during the processing of anodic sl
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Cold-Model Study on the Maximum Penetration Distance of the Injection Lance in a Kaldo Furnace Mining, Metallurgy and Exploration
By Manuel Pérez-Tello, María M. Salazar-Campoy, Óscar Rodríguez-Hoyos
A common problem during the operation of the Kaldo furnace is the formation of accretions and blockage of the injection lance due to splashing. This typically occurs during the processing of anodic sl
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Drilled Shaft Construction At Crownpoint, New Mexico
By Hassell E. Hunter
The Wyoming Mineral-Conoco Crownpoint Project represents the first time that big hole drilling has been exclusively used to develop totally a privately financed mine below a depth of 1000 feet. Thr
Jan 1, 1983
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Mesothelioma And Asbestos
By Graham W. Gibbs
The current state of knowledge concerning mesothelioma risk estimates is reviewed. Estimates of the risk of mesothelioma exist for the commercial asbestos fiber types chrysotile, amosite and crocidoli
Jan 1, 2007
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Monitoring Subsidence In The West: Problems And Analysis
By John E. Rourke, O&apos
This paper describes some of the results of a project for the design and demonstration of subsidence monitoring systems for underground coal mines. The project was designed to test monitoring systems
Jan 1, 1982
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TPM (Total Productive Mining)
By G. Budge
In the extractive industry the term ‘continuous improvement’ (CI) usually means procurement of the latest state of the art equipment. This is generally perceived as the only way to add further value
Jan 1, 2001
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Prediction of Ground Vibration Induced Due to Single Hole Blast Using Explicit Dynamics Mining, Metallurgy and Exploration (5745d634-e632-4178-ad6f-441932595fe2)
By R. K. Sinha, B. S. Choudhary, Desh Deepak, A. K. Mishra, Hemant Agrawal, Shankar Kumar
There are several methods (empirical, statistical, and machine learning tools) to calculate blast-induced ground vibration. Still, due to complications in the blasting procedure, under varying blastin
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Impact of China on drilling grade barite
By W. J. Miles
At the beginning of the 20th century, barite was a mineral of minor importance in the United States. Its primary use was to extend lead oxide in white paint. Barite also added the special qualities of
Jan 1, 2009
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Use of the Field-Based Silica Monitoring Technique in a Coal Mine: A Case Study Mining, Metallurgy and Exploration (73df3ae5-6ddf-4125-a270-9ce737fe4b48)
By James J. Meadows, Jason D. Pampena, Emanuele G. Cauda, Lauren G. Chubb
Exposure to respirable crystalline silica (RCS) can cause serious and irreparable negative health effects, including silicosis and lung cancer. Workers in coal mines have the potential of being expose
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Past, Present, and Future of Texas Industrial Minerals Mining, Metallurgy and Exploration
By Brent A. Elliott, J. Richard Kyle
Texas is a major producer of industrial mineral resources required by the state’s ever-growing population that now exceeds 28 million. Texas typically ranks in the top three states for the value of no
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The Influence of Polysaccharides on Film Stability and Bubble Attachment at the Talc Surface Mining, Metallurgy and Exploration
By Lei Pan, Venkata Atluri, Xuming Wang, Yuesheng Gao, Jan D. Miller
The wetting characteristics and water film stability at the talc surface have been studied, particularly the effect of polysaccharides such as guar gum, starch, and dextrin. Talc is a gangue mineral i
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Developing Trees Tolerant to Degraded Mine Soils in an Underground Greenhouse Mining, Metallurgy and Exploration
By Michael Kukay, Paul Conrad, Cosmas Opoku-Ware
This project is exploring the potential for developing trees tolerable to degraded un-reclaimed mine site soils and tailings as a solution to re-establishing long-term tree growth on those sites. The
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Human Health Effects Associated With The Commercial Use Of Grunerite Asbestos (Amosite): Paterson, NJ; Tyler, TX; Uxbridge, UK
By Joseph Ribak
Grunerite asbestos (amosite) has been shown in epidemiological and experimental animal studies to cause lung cancer, mesothelioma and pulmonary fibrosis commonly referred to as asbestosis. An overview
Jan 1, 2007