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  • SME-ICGCM
    A Comprehensive Computer Model For Predicting Dynamic Subsidence For Longwall Operations

    By Y. Luo

    This paper presents a number of mathematical models for predicting the different phases of the complete surface subsidence process associated with underground longwall mining. A computer program devel

    Jan 1, 1992

  • SME-ICGCM
    Numerical Simulation on Microseismicity Due to Mining at One of the Collieries in Australia

    Numerical simulation for microseismicity due to mining at one of the collieries in Australia was carried out and the results were compared to the observed microscismicity. 3-D Stress analysis showe

    Jan 1, 2001

  • SME-ICGCM
    Deformation Development Around Mine Roadways And Simulation Of Roadway Supports

    By E. Yasar

    This paper describes the use of the sand and plaster physical modelling technique to investigate the deformation around mine roadways using a variety of support methods in a particular form of stress

    Jan 1, 1995

  • SME-ICGCM
    Load Transfer Mechanisms In Reinforcing Tendons (59e0902f-c551-42cd-8764-b6dda6eee4b4)

    By M. W. Fabjanczyk

    Cement and resin encapsulated tendons are widely used in the stabilisation of mine roadways. One of the main factors in controlling the efficiency of the reinforcement is the ability of the tendon to

    Jan 1, 1992

  • SME-ICGCM
    Longwall Ground Behavior Characteristics In The Illinois Coal Basin - A Field Study

    By Zhanjing Yu

    Longwall ground behavior in the Illinois Coal Basin was studied in the past (1, 2, 3). Most of the past studies, however, were concentrated on either surface subsidence or underground structural behav

    Jan 1, 1994

  • SME-ICGCM
    Development Of Roof Stitching As A Method Of Support In Indian Coal Mines

    By B. Singh

    The use of wire ropes has already been tried in a few countries for roof support In mines. But the use of scrap wire ropes, as a method of support on extensive scale has not been reported from anywher

    Jan 1, 1990

  • SME-ICGCM
    TV Borehole Inspection And Vacuum Testing Of Roof Strata

    By G. Herget

    To improve quality control of roof conditions, a program was carried out at Elliot Lake uranium nines in Ontario, Canada to test a portable TV camera system. This camera has a 29 mm diameter probe and

    Jan 1, 1982

  • SME-ICGCM
    Longwall Geomechanics, An Australian Perspective

    By Michael Kelly

    Longwall mining is the principal method of underground coal mining in Australia, with 70 million tonnes being produced by longwall mines in 1999. However, the mechanisms that control longwall geomecha

    Jan 1, 2000

  • SME-ICGCM
    Roof Falls And Caving In Longwall Mining Operations

    By Kot F. Unrug

    Since the introduction of longwall systems, the prediction of roof behavior and support requirements have become the major issue referring directly to safety as well as productivity. In more recen

    Jan 1, 1982

  • SME-ICGCM
    Laboratory Study Of Shear Loading And Bolt Load Transfer Mechanisms Under Constant Normal Stiffness Conditions

    One of the most important parameters in rock/resin/bolt load transfer mechanism is the surface property of the bolt. Although there are various bolt surface configurations available in the market, ver

    Jan 1, 1999

  • SME-ICGCM
    Pillar Mining And Longwalling Below Massive Roof Strata: Geotechnical Issues And Two Case-Studies In Australia

    By Satyendra K. Singh

    If the extraction is beneath massive roof strata, the roof tends to 'bridge' across large spans without failing, the caving behaviour is complex and irregular. Understandably, these give ris

    Jan 1, 2000

  • SME-ICGCM
    The Use Of A Graphic Mini-Computer System As A Rock Mechanics And Roof Support Design Tool

    By Robert M. Cox

    The successful application of the science of rock mechanics to the practical problems of coal mine design requires the acquisition and reduction to useable form of large amounts of field and laborator

    Jan 1, 1982

  • SME-ICGCM
    Classification Of Mine-Related Subsidence East Of Mississippi River, U.S.A.

    By Jesse L. Craft

    Field investigation of surface subsidence events associated with both active and abandoned underground coal mines in the United States has established criteria that enable the prediction and classific

    Jan 1, 1992

  • SME-ICGCM
    Introduction to Rock Strength Borehole Probe (RSBP) for Estimation of Rock Strength in Roofbolt Drill Holes

    By I. Sedat Buyuksagis, Jamal Rostami, Ali Naeimipour

    "Improving the safety of underground openings and optimizing ground support systems requires reliable ground characterization. This includes understanding the joints, discontinuities, and rock strengt

    Jan 1, 2016

  • SME-ICGCM
    Application of Laser Scanning for Rock Mass Characterization and Discrete Fracture Network Generation in an Underground Limestone Mine

    By Juan J. Monsalve, Nino Ripepi, Richard Bishop, Jon Baggett

    "Terrestrial laser scanning (TLS) is a useful technology for rock mass characterization. A laser scanner produces a massive point cloud of a scanned area, such as an exposed rock surface in an undergr

    Jan 1, 2018

  • SME-ICGCM
    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

  • SME-ICGCM
    Application of New Void Detection Algorithm for Analysis of Feed Pressure and Rotation Pressure of Roof Bolters

    By Eric Keller, Jamal Rostami, Wenpeng Liu

    "Roof and rib instability is an important issue in underground mining. To optimize ground support design, enhance ground stability, and reduce the possibility of roof or rib failure with minimal use o

    Jan 1, 2016

  • SME-ICGCM
    The Prediction of Pillar Interaction Effects for Deep Multi-Seam Workings

    By Lightfoot. Nicholas, Na Liu

    "Mining in multi-seam workings has been undertaken for many years in the VK Remnant pillars above and/or below current working areas have an important influence on retreat gateroad conditions at five

    Jan 1, 2010

  • SME-ICGCM
    Evaluation of Drill Hole Geometry on Bolted Roof Beam Performance

    By David R. Burkhard

    "Comparative roof beam performance, as measured by delamination within the bolted horizon, was used to evaluate two types of roof bolt drill hole geometries in a development setting. Short encapsulati

    Jan 1, 2016

  • SME-ICGCM
    The Effect of Discontinuities Characteristics on Coal Mine Stability and Sustainability: A Rock Fall Prediction Approach

    By Nikzad Oraee, Parham Khajehpour, Kazam Oraee, Arash Goodarzi

    "Rock fall related accidents continue to occur in coal mines, although artificial support mechanisms have been used extensively [1]. Roof stability is primarily determined in many underground mines by

    Jan 1, 2015