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36 Years of Subsidence Reporting at the ICGCM
By Nicole E. Evanek, Anthony T. Iannacchione
"Over the past 36 years, a great deal of information has been presented and discussed at the International Conference on Ground Control in Mining (ICGCM). The topic of surface subsidence engineering h
Jan 1, 2018
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3D Modelling of Mine Backfill
By Muhammad Zaka Emad, Rangzeb Goraya, Muhammad Usman Khan
"Numerical modeling has been used extensively to assess the stability of surface and underground mines. Tabular, steeply dipping ore bodies are generally mined out by open stoping methods with delayed
Jan 1, 2017
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A Case History of Computer-Aided Lineament Analysis for Ground Control Planning
By C. D. Peters
The Bureau of Mines has been researching remote sensing analysis of an underground coal mining area in Utah and computer-aided methods of defining ground control hazards in this mining area. As a resu
Jan 1, 1986
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A Case Study for Multiple Seam Calibration of LaModel in Bump Prone Ground
By Kevin W. Harris
Multiple-seam coal mining is a major issue in underground coal mining that adds additional complexity to the practice of ground control. As reserve exploitation is driven by economics, it is now dif
Jan 1, 2014
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A Case Study Of A Deformation Mechanism Around A Two-Entry Gate-Road System Involving Probable Time-Dependent Behavior
By M. K. Larson
The U.S. Bureau of Mines and Cyprus Shoshone Coal Corp. conducted a study of deformation mechanisms around a longwall gate-road system in an underground coal mine. Of particular interest was roof defo
Jan 1, 1995
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A Case Study of Multi–Seam Coal Mine Entry Stability Analysis with Strength Reduction Method
By Ihsan Berk Tulu, Michael Sloan, Ted Klemetti, Michael M. Murphy, Gabriel S. Esterhuizen, Jame Sumner
"In this paper, the advantage of using numerical models with the strength reduction method (SRM) to evaluate entry stability in complex multiple-seam conditions is demonstrated. A coal mine under vari
Jan 1, 2015
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A Comparison Between ARMPS and the New ARMPS?LAM Programs
By Peng Zhang
In previous research, the laminated overburden model from the LaModel program was effectively integrated with Analysis of Retreat Mining Pillar Stability (ARMPS) through ARMPS-like input to create a l
Jan 1, 2014
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A Comparison between Empirical and Numerical Methods in Underground Galleries Support System Design
By Saeed Zandi, Kazem Oraee
"Tunnels and galleries are the most important structures in coal mines. They are used for variety of purposes, such as transporting ore and people and for ventilation. A well-designed support system i
Jan 1, 2016
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A Comparison Of Overburden Response Due To Longwall Mining
By David K. Ingram
The objective of this U.S. Bureau of Mines (USBM) investigation was to characterize overburden response due to longwall mining. Subsurface strata and surface deformations were monitored at two sites i
Jan 1, 1994
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A Comparison of the Overburden Loading in ARMPS and LaModel
By Ihsan Berk Tulu, Keith A. Heasley, Chris Mark
"The Analysis of Retreat l\.fining Pillar Stability (ARJ\1PS) and the Lal\.fodel programs have been used successfully in the U.S. for designing safe pillar recovery operations for many years. However,
Jan 1, 2010
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A First Step in Developing Standing Roof Support Design Criteria Based on Ground Reaction Data for Pittsburgh Seam Longwall Tailgate Support
By Thomas Barczak
Roof support systems are designed for roof control to prevent unplanned falls. It sounds logical and has been the conventional thinking in support design since supports were first installed. In orde
Jan 1, 2008
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A History of Bock Burst Research in the Coeur D'Alene Mining District
By Michael Jenkins
This paper reviews the history of rock burst research in the Coeur d'Alene Mining District of northern Idaho over the last 30 years. Rock bursting is a problem because of a combination of geologi
Jan 1, 1987
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A Holistic Examination of the Geotechnical Design of Longwall Shields and Associated Mining Risks
By Russell C. Frith
This paper examines the design of longwall shields, focusing on those aspects that are critical to either their successful application or contribution to failure during longwall extraction. In many i
Jan 1, 2013
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A Method For Assessing The Potential Of Mine Subsidence At Abandoned Mine Sites Through The Assistance Of Finite Element Modeling
By Richard E. Bischke
Computer assisted finite element model analysis, originally developed to study stress distributions in aircraft, has been modified into a versatile mining program, that can be used to assist the engi
Jan 1, 1984
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A Method For Establishing Site Specific Coal Pillar Design Guidelines
By Winton J. Gale
Coal mine pillar design formulae available to mine planners are typically based on relationships determined for specific site conditions. Application of these methods is difficult when other factors,
Jan 1, 1992
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A Method to Determine the Corrosion Potential of Rock Bolts on Coal Mines
By Kanchan Mondal, Anthony (Sam) Spearing, Gopi Bylapudi, Joseph C. Hirschi
"The U.S. coal mining industry uses about 100 million rock anchors per year. ASTM F432 specifies the requirements for rock bolts on mines but does not address corrosion. Corrosion has been found to be
Jan 1, 2010
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A New Approach to the Integrity Testing of Ground Anchorages
By Andrew Starkey
Ground anchorage systems in the form of rock bolts are used extensively throughout the world as supporting devices for civil engineering structures such as bridges and tunnels. It is widely recognized
Jan 1, 2001
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A New Generation of Web-Based Applications for Mine Design
By Nathaniel Schaefer, Christopher Newman, Zach Agioutantis
"As mining reserves continue to be developed in deeper and more complex geological and geometric conditions, there has been an increased demand for underground mine designs to better reflect site-spec
Jan 1, 2017
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A Practical and Efficient Steel King Beam Structure Design Methodology at Slope Bottom Intersections
By Stankusm John C., Xiaoting Li
"Quantitatively identifying the load on a steel king beam set is a complicated issue in designing the king beam structure at the slope bottom area. From an engineering perspective, understanding the n
Jan 1, 2018
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A Practical Application of Photogrammetry to Performing Rib Characterization Measurements in an Underground Coal Mine Using a DSLR Camera
By Brent A. Slaker, Khaled M. Mohamed
"Understanding coal mine rib behavior is important for inferring pillar loading conditions as well as ensuring the safety of miners who are regularly exposed to ribs. Due to the variability in the geo
Jan 1, 2016