Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • 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
    The Evolution of Pre-Driven Recovery Roadways at Crinum Mine

    By Adam Mackenzie, Dan Payne, Yass-Marie Rutty

    "Historically, the Crinum mine has experienced significant falls of ground when longwall production slowed to prepare for recovery in weak roof areas. These conditions continue through the recovery pr

    Jan 1, 2016

  • SME-ICGCM
    Long-term Subsidence Over Longwall Chain Pillar Systems and Its Effects on Surface Structures

    By Yi You

    A research has been conducted to study the long-term subsidence and its possible effects on surface structures In this research, the surface movements in areas when potential for developing long-term

    Jan 1, 1997

  • SME-ICGCM
    Investigation into the Extent and Mechanisms of Gloving and Un-mixed Resin in Fully Encapsulated Roof Bolts

    Effective strata control, utilising fully encapsulated roof bolts, is dependent on the installed quality of the reinforcement elements. One mechanism by which fully encapsulated roof bolts may become

    Jan 1, 2003

  • 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
    Axial Performance of a Modified Fully Grouted Cable Bolt Tested with a New Laboratory Short Encapsulation Pull Test

    By Paul C. Hagan, Jianhang Chen, Serkan Saydam

    "Modified cable bolts are commonly used in underground mines due to their superior performance in preventing bed separation when compared with plain strands. To better test the axial performance of a

    Jan 1, 2015

  • SME-ICGCM
    Laboratory Studies on Creep Behavior of Grouted Tensioned Rebar in Weak Strata

    By Joseph Hirschi, Naga S. Y. Tirumalaraju, Aditya Mishra, Anthony (Sam) J. S. Spearing

    "Primary roof support in underground coal mines in the USA consists mostly of fully grouted passive rebar or grouted (partially or fully) tensioned rebar. Research conducted at two room-and pillar coa

    Jan 1, 2015

  • SME-ICGCM
    The Development and Planning of Multiple Level Underground Limestone Mines

    By Bruce W. King, David A. Newman

    "Underground mines have always been an integral part of the limestone industry. However, beginning in the 1990s, the number of underground limestone mines has increased for many reasons including• Str

    Jan 1, 2016

  • SME-ICGCM
    The Design of Primary Ground Support during Roadway Development Using Empirical Databases

    By Ry Stone

    "There have been many design practices utilised within the coal mining industry to arrive at the minimum densities of primary ground support required during roadway development. This paper demonstrate

    Jan 1, 2015

  • SME-ICGCM
    Combined Effects of Rock Bedding Orientation and Topography on Stresses Around Mine Openings

    By Amirhossein Molavi Tabrizi

    In this paper we introduce a realistic model for mine openings that explicitly considers the effects of local irregular topography. Also, we consider the effect of entry orientation and rock anisotrop

    Jan 1, 2014

  • SME-ICGCM
    A comparison between two- and three-dimensional numerical models of a Coeur d'Alene District mine

    By T. J. McMahon

    This Bureau of Mines study describes the development of a large-scale, three-dimensional, finite-element model of a deep-vein Coeur d?Alene District mine. The three-dimensional model was prepared from

    Jan 1, 1989

  • SME-ICGCM
    Understanding and Optimizing the Performance of Passive Primary Support on Coal Mines

    By Anthony Spearing

    There are approximately 68 million rockbolts installed annually in underground coal mines in the USA (Tadolini and Mazzoni, 2006). The most utilized is the passive fully grouted resin rebar bolt, whic

    Jan 1, 2014

  • SME-ICGCM
    Influence of a Coal Mine Subsidence on An Adjacent Dam

    By Nengxiong Xu

    The WTZ coal mine is located adjacent to an auxiliary dam in P. R. China. The mining-induced ground movements are calculated using a 3-D numerical procedure based on the finite difference method (FDM)

    Jan 1, 2013

  • SME-ICGCM
    Potential Application of Short Encapsulation Pull Test (Sept) Data to Project Relative Roof Control Risk

    By Yoginder Paul Chugh, Jason E. Tinsley

    "Over the last five years, the authors have compiled a database of Short Encapsulation Pull Test (SEPT) evaluations from Interior Basin (Basin) coal mines. Typically, SEPT data are analyzed to obtain

    Jan 1, 2016

  • SME-ICGCM
    Economic Evaluation Of Subsidence Damage Mitigation Techniques

    By David C. Johnson

    Coal mining in Illinois has resulted in many structures being exposed to subsidence damage. Damage mitigation techniques (DMT) applied in the foundation design/construction have proven successful in m

    Jan 1, 1993

  • SME-ICGCM
    Risk Assessment: Multiseam - Single Seam Mining

    By L. Munsamy

    The bulk of primary mining at the Anglo Coal's Bank Colliery was carried out by drill and blast method, in a bord and pillar layout exploiting the No. 2 Seam. Secondary extraction, top/bottom coa

    Jan 1, 2004

  • SME-ICGCM
    Pre-Driven Experimental Longwall Recovery Room Under Weak Roof Conditions - Design, Implementation, and Evaluation

    By Stephen Tadolini

    Reduction in the time required and improvements in safety during a longwall face move have compelled coal mine operators to examine and use pre-driven longwall recovery rooms. While this concept is no

    Jan 1, 2002

  • SME-ICGCM
    A Step Towards Understanding The Behaviour Of Wider Roadways In South African Collieries

    By George B. Quaye

    Conventionally, roadways in South African collieries are 6 to 7 m wide. This dimension is chosen so as to allow maneuvrability of appropriate mine machinery and equipment, to meet production requireme

    Jan 1, 2001

  • SME-ICGCM
    Systematic Principles of Surrounding Rock Control in Longwall Mining within Thick Coal Seams

    By Zhaohui Wang, Jiachen Wang

    "Effective surrounding rock control is a prerequisite for realizing safe mining in underground longwall faces. In the past three decades, longwall top-coal caving mining (LTCC) and single pass large h

    Jan 1, 2018

  • SME-ICGCM
    Safe Mining Evaluation of Coal Seam between Abandoned Upper and Lower Room-and-Pillard Mines

    By Guorui Feng, Min Zhang, Yi Luo, Jian Yang, Yujiang Zhang, Junwen Bai

    "Safe mining of coal seam sandwiched between abandoned upper and lower room-and-pillared mines (ULPM) ·is increasingly becoming the focus of attention in recent years, which is closely related to the

    Jan 1, 2016