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  • SME
    Tectonic Stress Reconstruction Based on Structural Features in Tectonic Superposition Areas Mining, Metallurgy and Exploration

    By Chen Lin

    Tectonic stress is an important parameter for understanding the dynamics of underground engineering and for the exploitation of coalbed methane. Multiple-period structural features usually have comple

  • SME
    An Evaluation Of The Risks Of Lung Cancer And Mesothelioma From Exposure To Amphibole Cleavage Fragments

    By John F. Gamble

    Amphiboles are hydrated mineral silicates five of which occur in asbestiform habits as asbestos grunerite (amosite) asbestos, riebeckite (crocidolite) asbestos, anthophyllite asbestos, tremolite asbes

    Jan 1, 2007

  • SME
    Roof Deformation Associated with Mining of Two Panels in Steeply Dipping Coal Seam Using Subsurface Subsidence Prediction Model Mining, Metallurgy and Exploration and Physical Simulation Experiment

    By Panshi Xie, Xicai Gao, Yi Luo, Youfu Zeng, Yongping Wu, Shenghu Luo

    This research investigates roof deformation and failure characteristics, as well as mechanical interaction between the panels of the roof strata above two adjacent working faces in a steeply inclined

  • SME
    Roof Deformation Associated with Mining of Two Panels in Steeply Dipping Coal Seam Using Subsurface Subsidence Prediction Model Mining, Metallurgy and Exploration and Physical Simulation Experiment (1cbe2caf-b863-422d-8af1-56b552bbfc8f)

    By Panshi Xie, Xicai Gao, Yi Luo, Youfu Zeng, Yongping Wu, Shenghu Luo

    This research investigates roof deformation and failure characteristics, as well as mechanical interaction between the panels of the roof strata above two adjacent working faces in a steeply inclined

  • SME
    The As-Built Geotechnical Report: Its Use For Design Of Support For Three Rock Stations Washington, D.C. Metro

    By Carl G. Bock

    INTRODUCTION The Washington Metropolitan Area Transit Authority (WMATA) has let a contract for the excavation of three rock stations, spaced about 3550' (1082m) apart, beneath Connecticut Aven

    Jan 1, 1976

  • SME
    Identification And Enumeration Of Asbestos Fibers In The Mining Environment: Mission And Modification To The Federal Asbestos Standard

    By Arthur M. Langer

    Since the promulgation of the first Federal Asbestos Standard by the Occupational Safety and Health Administration in 1972, other federal agencies have modified the standard to better carry on their

    Jan 1, 2008

  • SME
    Coal Beneficiation via the Tapered Fluidized Bed Using Magnetite with a Wide Size Range Mining, Metallurgy and Exploration (57dbcb5f-d720-4602-989e-b44427f0ae7a)

    By Xuchen Fan, Chenyang Zhou, Yuemin Zhao, Liang Dong, Chenlong Duan

    A gas–solid fluidized bed using magnetite particles is an effective methodology for coal beneficiation in the field of dry coal cleaning. Broadening the size range of magnetite used in the bed decreas

  • SME
    Assessment Of Stable And Failed Pillars In Underground Limestone Mines

    Pillars in underground limestone mines are required to support the overburden and provide a safe, stable working environment for mining personnel and equipment. Pillar stability was assessed by the Na

    Jan 1, 2008

  • SME
    Inner City Slurry Tunneling—Project Asdam, Antwerp, Belgium

    By Klaus Rieker

    North of Antwerp central train station, two single-track tunnels for the high-speed train line between Brussels and Amsterdam were constructed. At the same time, the central train station was modified

    Jan 1, 2007

  • SME
    An Investigation On The Surface Chemistry Of Some Rare Earth Minerals During Flotation By TOF-SIMS (I-Bench Scale Tests)

    By S. C. Chelgani

    The Thor lake deposit is a world class resource of rare earth (REE) metals and minerals in Canada. Development work to optimize a REE mineral recovery process flow sheet is underway, however, given th

    Feb 27, 2013

  • SME
    Urban Blasting Essential to Schedule Driven West Area CSO Tunnel and Pumping Station Project

    By James McNally, Adam Stremcha, John MacGregor

    With 13.7km of TBM tunneling in Atlanta’s hard gneiss well under way, drill and shoot work continues on several sites throughout the city. In order for the City of Atlanta to meet the consent decree i

    Jan 1, 2007

  • SME
    Design Analyses for a Large-Span Tunnel in Weak Rock Subject to Strong Seismic Shaking

    By Bhaskar B. Thapa

    The proposed Caldecott fourth bore will consist of a two lane highway tunnel along California State Route 24 near the City of Oakland. The proposed design and construction sequence for the 15-m-diamet

    Jan 1, 2008

  • SME
    Evaluation of Mica as a Source of Potash Mining, Metallurgy and Exploration

    By Nikhil Dhawan, Ashwini Kumar, Yogendra Pratap, Himanshu Tanvar

    India does not possess any soluble potash reserves and depends completely on imports. In this study, an attempt has been made to recover potash (K) values from the mica sample employing thermal and me

  • SME
    Pillar And Roof Bolting Design Under Conditions Of Weak Roof And Multi-Seam Interaction - A Case Study

    By Y. Q. Zhang, S. S. Peng

    Numerical modeling was used to design the pillars and bolting plan for a mine with weak roof and multi-seam stress condition. Previous mining experience, pillar/roof yielding and in-situ horizontal st

    Jan 1, 2004

  • SME
    Analysis Of Real-Time Shield Pressures For The Evaluation Of Longwall Ground Control Problems

    By K. Saikiran, A. R. Nalla

    Longwall management, regular shield maintenance, and evaluation of ground control problems can be performed using real-time shield monitoring program. Based on real-time shield pressure data, evaluat

    Jan 1, 2000

  • SME
    Design And Preliminary Testing Of Low-Energy Planetary Excavator - Preprint 09-134

    Development of a permanent human base on the Moon for exploration requires a self sustaining system. This entails production and processing of limited amounts of raw material on the Moon. Any mining a

    Jan 1, 2009

  • SME
    International Standards in Public Participation in Financing Oil and Gas Pipelines: The Transparency of Risk Management Measures and Emergency Response Plans

    By E. Nickel

    "Bi- and multilateral banks as well as export credit agencies in the OECD countries, but also numerous commercial banks, last year committed themselves to compliance with the World Bank’s standards. T

    Jan 1, 2005

  • SME
    The Coronado Traffic Diversion Tunnel

    By Jon Y. Kaneshiro, Ed Walton, Stephen J. Navin, Robert M. Sergeant, Storer J. Boone

    The Coronado Traffic Tunnel is a proposed two-lane, reversible, road tunnel, which will relieve severe peak hour congestion problems on surface streets. The tunnel will take traffic from the Coronado

    Jan 1, 2001

  • SME
    Evaluation of Whole Body Vibration (WBV) of Dumper Operators Based on Job Cycle Mining, Metallurgy and Exploration (4615660d-b95c-47f0-b07e-3e2b55f50187)

    By Sandeep Kumar Jeripotula, Govinda Raj Mandela, Aruna Manglapady

    Dumper operators are frequently exposed to whole body vibration (WBV) in surface mines. Surface mining activities involve the amalgamation of comparatively high intensity of vibration and extended exp

  • SME
    Face Ventilation on a Bleederless Longwall Panel Mining, Metallurgy and Exploration

    By S. J. Schatzel, J. D. Addis, V. Gangrade, L. L. Chasko, C. A. Hollerich

    A ventilation study using tracer gas was conducted at a western US coal mine. The objective of the study was to evaluate the movement of longwall face air exchanges between the face and worked-out are