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  • SME-ICGCM
    Case Study of Conditions Observed During the Removal of a Highly Fractured Roof Beam in Bedded Halite

    By Liane J. Terrill

    A 9O) ft (275 meter) section of a highly fractured beam of halite was mined from the roof of a supported thirteen year old drift at the Waste Isolation Pilot Plant (WIPP). The operation was conducted

    Jan 1, 1997

  • SME-ICGCM
    A Comparison Of Support Reactions To Retreat Longwall Front Abutment For Two Different Gateroad Support Techniques

    By Gary R. Corbett

    The federally owned Cape Breton Development Corporation (CBDC) mines approximately 2.5-3.0 Mt of coal per annum from its Phalen Colliery. As part of an ongoing process to become more commercially viab

    Jan 1, 1993

  • SME-ICGCM
    Interaction Between Roof And Support On Longwall Faces With Particular Reference To Support Resistance

    The objective of extensive underground experimentation on three longwall coal faces was to improve the stability of mechanised longwall faces through investigation of the relations between support res

    Jan 1, 1984

  • SME-ICGCM
    Roof Sounding Device - A Loose Rock Detector

    By Richard C. Repsher

    The U.S. Bureau of Mines has developed a method and device designed to detect lose rock material in underground mines. The technology is designed to be an aid to mine workers in detecting hazardous ro

    Jan 1, 1990

  • SME-ICGCM
    Letter Of Nomination

    By Dr. Daniel W. H. Su

    t is both an honor and privilege for me to nominate Dr. Daniel W. H. Su for the inaugural Syd S. Peng Ground Control in Mining Award. I can think of no better candidate than Daniel that is deserving

    Jan 1, 2006

  • SME-ICGCM
    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

  • SME-ICGCM
    Development, Trials, and Testing of a Two-Component, Rapid-Set Cement Grouting System

    By Stephen C. Tadolini, Robert Hawker, Peter Mills, Colin Grubb, Tom Meikle

    "In unfavorable strata conditions, it is often necessary to install additional long tendon support as part of a primary support cycle. Although these support systems provide the required additional st

    Jan 1, 2017

  • SME-ICGCM
    Design Considerations for Tensioned Bolts

    By Yunqing Zhang

    The 3-D numerical modeling using ABAQUS is performed to analyze the mechanisms of the tensioned bolts by taking into considerations excavation sequence, pre-tension, bedding planes and in-situ horizon

    Jan 1, 2002

  • SME-ICGCM
    Think Like a Rock

    By Tom Barczak

    Early in my career, while giving a presentation on shield design for longwall mining at one of the International Conferences on Ground Control in Mining, the late Jim Scott told me that I was finally

    Jan 1, 2011

  • SME-ICGCM
    Subsidence Prediction Influence Assessment and Damage Control

    By Y. Luo

    An extensive subsidence research program conducted by the authors has greatly improved the accuracy and the capabilities of subsidence prediction under complicated mining and surface conditions. The t

    Jan 1, 1997

  • SME-ICGCM
    Quantification of Ventilation Enhancement Using the Eye Can Roof Support

    By Mark F. Sindelar, Yi Luo, Hua Jiang, Michael T. Shook

    "Convergence of roof and floor in underground mine openings is a common occurrence. This convergence not only adversely affects the ability of workers, equipment and supplies to travel through the min

    Jan 1, 2016

  • SME-ICGCM
    Design of Roof Bolt Based Breaker Line Support in a Mechanised Depillaring Panel

    By Sahendra Ram, Arnn Kr Singh, Dheeraj Kumar, Rajendra Singh

    "Inherent existence of different rooms (openings) along the extraction line in a depillaring panel provides an easy path for the goaf to encroach the working area. Each of these openings in a mechaniz

    Jan 1, 2016

  • SME-ICGCM
    An Application Of Tree Classification Method In Analysis Of Longwall Shield Stability

    By Yong-Ming Jiang

    Longwall mining systems are extremely complex and expensive and require great caution for reliable and efficient operation. In many cases, ground control problems are the primary concern in longwall m

    Jan 1, 1993

  • SME-ICGCM
    Design Of Shield Supports For The U.S. Coal Mining Industry

    By Alan Peacock

    Shield supports have been in use in the USA underground mines since 1975, and their development in the intervening time has been progressive and inovative. Specialized techniques are used to optimize

    Jan 1, 1981

  • SME-ICGCM
    Some Structural Aspects Of Designing The Shield Supports

    By S. S. Peng

    This paper presents a convenient way for the preliminary design of the shield supports. The locus equations which are applicable for all kids of shield supports are derived. These equations facilitate

    Jan 1, 1982

  • SME-ICGCM
    Assessment of the Dynamic Loads Effect on Underground Mines Supports

    By Kazem Oraee-Mirzamani

    Blasting operations generate seismic effects in underground mines. These effects apply additional dynamic loads on the support system, which should bear both static and dynamic loads. Static loads are

    Jan 1, 2011

  • SME-ICGCM
    The Massive Collapse Of Coal Pillars - Case Histories From The United States

    By Frank E. Chase

    A massive pillar collapse occurs when undersized pillars fail and rapidly shed their load to adjacent pillars which in turn fail. This chain reaction-like failure may involve hundreds, even thousands,

    Jan 1, 1994

  • SME-ICGCM
    Field Testing of a Real Time Roof Mapping Drilling Display System in a Limestone Mine

    By Craig Collins

    The objective was to develop a Real Time Drilling Display System for Rotary Roof Bolting using Analyzing Software to display mapped holes as they are being drilled in real time. The Analyzing Softw

    Jan 1, 2004

  • SME-ICGCM
    Application of Highwall Mining System at Surface Coal Mine in Thailand

    By Takashi Sasaoka, Pinyo Meechumna, Hiroshi Takamoto, Pipat Laowattanabandit, Akihiro Hamanaka, Kikuo Matsui, Hideki Shimada

    "The EGAT Mae Moh coal mine is an open-cut coal mine in Thailand that produces about 16 million tons of lignite annually to generate 2,400 mw of electricity. The surface mine pit covers is 4 by 7 km (

    Jan 1, 2010

  • SME-ICGCM
    Load And Deflection Response Of Ventilation Stoppings To Longwall Abutment Loading - A Case Study (49571726-6a2d-49b8-8ef0-957c4421195c)

    By David C. Oyler

    Few studies have specifically measured and documented the large-scale loading behavior and durability of ventilation stoppings to mining induced movements, particularly from longwalls. Ventilation sto

    Jan 1, 2001