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  • SME-ICGCM
    Support of Tunnels in South African Gold Mines

    By L. Z. Wojno

    Tunnels in South African gold mines are developed at depths down to 3 600 m below surface where the virgin rock stress approaches 100 MPa and, on occasions, through rock where the field stresses excee

    Jan 1, 1987

  • SME-ICGCM
    Analysis Of Major Failure Through Integration Of Static And Dynamic Rock Mechanics Investigation

    By K. Y. Haramy

    Rock burst and coal mine bump research using static and dynamic rock mechanics instrumentation has been conducted for several decades. Research efforts typically have been conducted using static instr

    Jan 1, 1988

  • SME-ICGCM
    Continuous Monitoring Of Mechanised Breaker Line Supports To Investigate Roof And Pillar Behaviour

    By I. L. Follington

    A breaker line support (BLS) monitoring system, BLSmon, has been designed and constructed by the CSIRO and installed and commissioned at Laleham No.1 Colliery, Queensland. This system was designed to

    Jan 1, 1992

  • SME-ICGCM
    A Review of the Geomechanics Aspects of a Double Fatality Coal Burst at Austar Colliery in NSW, Australia in April 2014

    By Bruce Hebblewhite, Jim Galvin

    "A coal burst occurred on 15 April, 2014 at the Austar Coal Mine, located west of Newcastle, NSW, Australia. The burst resulted in fatal injuries to two men working as part of the mining crew at the d

    Jan 1, 2016

  • SME-ICGCM
    Subsidence Prediction In Illinois Coal Basin

    By Ed D. Doney

    Based on the subsidence data collected through a comprehensive subsidence monitoring program con: ducted over two longwall panels in an Illinois coal mine, mathematical models have been proposed for p

    Jan 1, 1990

  • SME-ICGCM
    Study Of Quantitative Impacts To Ground Water Associated With Longwall Coal Mining At Three Mines Sites In The Northern West Virginia Area

    By Denise Y. Dixon

    The objectives of this study were to (1) document the hydrologic impacts of longwall mining on ground water, (2) identify the factors which affect the extent of dewatering, and (3) develop empirical t

    Jan 1, 1988

  • SME-ICGCM
    Use Of Database In Ground Control To Identify Weightings And Water Inflows

    By G. C. Xiao

    A database, incorporating historical data from British mines, to study the factors affecting inflows from proximate aquifers into longwall workings, showed that a main casual factor was the immediate

    Jan 1, 1990

  • SME-ICGCM
    Investigation of Electromagnetic Emissions in a Deep Underground Mine (0366ea57-3ba7-4a00-bec7-825a048e7e26)

    By Douglas Scott

    Highly stressed rock in stopes continues to be a primary safety risk for miners in underground mines because it can result in failures of ground that lead to both injuries and death. Spokane Research

    Jan 1, 2004

  • SME-ICGCM
    Imaging Ahead Of Mining With Radio Imaging Method (RIM-IV) Instrumentation And Three-Dimensional Tomography Software

    By Larry Stolarczyk

    A clear vision of the future coal mining industry was developed into a hierarchy of technology needs by the National Mining Association (NMA) and the Chief Executive Officers of the mining industry. A

    Jan 1, 2003

  • SME-ICGCM
    Assessment Of Underground Structural Design

    By Eugene D. Krupa

    Mine 33 of Beth Energy has serious and complex roof cutter problems causing delay of the advance rate of both the entry development and longwall face retreat. The cost of maintaining these entries is

    Jan 1, 1990

  • SME-ICGCM
    Engineering Geophysics - Mine Subsidence Risk Assessment Study

    By Kanaan Hanna

    Abandoned mines pose a serious threat to public health and safety, as well as the environment. When active workings approach old mine workings, miners could encounter significant hazards. Additionally

    Jan 1, 2011

  • SME-ICGCM
    Comparison of Closure Measurements with Finite Element Model Results in an Underground Coal Mine in Central Utah

    By Jessica M. Wempen, William G. Pariseau, Michael K. McCarter

    "Quantitative analysis of mine-wide subsidence at the kilometer scale and details of stress distribution about an advancing longwall face are estimated using an adaptation of the finite element method

    Jan 1, 2018

  • SME-ICGCM
    Field Measurements of Chain Pillar Response to Longwall Abutment Loads

    By Christopher Mark

    Current longwall pillar design methods are based on many assumptions about pillar and entry response to longwall abutment loads. Knowledge of the magnitude and time-of-arrival of abutment loads is ess

    Jan 1, 1986

  • SME-ICGCM
    Numerical Model Simulation of a Development Pillar at a Steeply Dipping Underground Limestone Mine

    By Morgan M. Sears, Gamal Rashed, Jim Winfield, Brent Slaker

    "Over the past decade, ground falls have resulted in five fatalities, representing over 40% of all fatalities occurring in underground stone mines in the United States. In conjunction with recent high

    Jan 1, 2018

  • SME-ICGCM
    Rock Reinforcement Longevity

    By Francis S. Kendorski

    Rock reinforcement has been in widespread use and generally has been accepted in underground mining and tunneling since the 1950s. The first rock reinforcement technologies employed were mechanical an

    Jan 1, 2000

  • SME-ICGCM
    Review Of Pillar Design Equations Including The Effects Of Constraint

    By C. Babcock

    This Bureau of Mines report considers some equations for mine pillar design from 1833 to the present. Most of the equations are of essentially the same kind, using pillar width to height relationships

    Jan 1, 1981

  • SME-ICGCM
    The Effect Of Hazardous Geologic Structures On Gateroad Stability

    By Frank E. Chase

    Geologic structures have been responsible for numerous underground accidents and fatalities, and are a constant-source of down time. During - longwall mining, ground control problems associated with g

    Jan 1, 1990

  • SME-ICGCM
    Improving Roof Control At A South African Coal Mine

    By Alan Bugden

    Goedehoop Colliery produces 8 million tonnes of coal a year, principally from room and pillar mining, and is situated in the Witbank Coalfield in the Republic of South Africa. The mine has a long and

    Jan 1, 2001

  • SME-ICGCM
    The Impact Factors of Overburden Movement in Longwall Mining of Shallow Coal Seams

    By Yang Li

    For the study of overburden movement in longwall mining of shallow coal seams, most scholars merely consider the thickness of bedrock and top soils. In this paper, the overburden movement in longwall

    Jan 1, 2014

  • SME-ICGCM
    Fiber Reinforced Polymer Rockbolts for Ground Control in a Strong Jointed Rock Mass

    By Samrat Mohanty

    The construction of underground hydrocarbon storage caverns in Jurong Island, Singapore, is nearing completion. The facility, located beneath the seabed of Banyan Basin, is comprised of five storage

    Jan 1, 2014