Search Documents

Search Again

Search Again

Refine Search

Publication Date
Clear

Refine Search

Publication Date
Clear
Organization
Organization
  • SME
    Generation Of Random Networks For Evaluation Of Mine Ventilation Network Methods

    By Jeong-Heum Kim, Jan M. Mutmansky, Y. J. Wang

    The simulation of randomness in a system of components is important in certain types of systems analyses. This paper presents procedures for generating ventilation networks that are random in many of

    Jan 1, 1991

  • SME
    Risk Mitigation In Global Mining Development

    By Wayne W. Murdy

    Since 1993, Newmont Mining has been growing through the development 'q of three major foreign mining operations with a fourth under construction. The first project, Yanacocha in Peru, began ope

    Jan 1, 1997

  • SME
    Cycles In Metal Prices

    By M. C. Roberts

    Metal producers are now suffering through a major downturn in prices for their products even though it has only been a few years since they were enjoying high prices. From an historical perspective, t

    Jan 1, 2003

  • SME
    Rapid Excavation Research - Elements Of A New Excavation Technology

    By James J. Olson

    INTRODUCTION The need for Government-sponsored research and development to increase excavation rates and lower costs for tunneling and mining operations in a variety of rock types has been emphasiz

    Jan 1, 1974

  • SME
    14. Discovery of the La Caridad Porphyry Copper Deposit, Sonora, Mexico

    By Guillermo P. Salas

    The Consejo de Recursos Naturales No Renovables of the Mexican government entered into an agreement with the United Nations in 1964 for the mineral exploration of a large area in Estado de Sonora, Mex

    Jan 1, 1991

  • SME
    Construction Of Straight Creek Tunnel, Colorado

    By R. C. Hopper, A. A. Mathews, T. A. Lang

    DESCRIPTION OF PROJECT The Straight Creek Tunnel site is located approximately sixty (60) miles west of Denver, Colorado, on Interstate Route 70 in the vicinity of Loveland Pass, in the Rocky Mount

    Jan 1, 1997

  • SME
    Evaluation Of Personal Diesel Particulate Samplers

    By Robert A. Haney, Richard T. Stoltz

    In July, 1988, the Mine Safety and Health Administration (MSHA) Advisory Committee on Standards and Regulations for Diesel-Powered Equipment in Underground Coal Mines recommended that the Secretary of

    Jan 1, 1989

  • SME
    Evaluation of the Senior Coal Mine Managers’ Working Stress

    By Rong Guo, Qi He, Jinsuo Zhang

    "Coal mine ranks No.1 among the 6 major high-risk industries, so it is no doubt that the senior managers in the coal mine bear more stress than other industry executives. The massive working stress re

    Jan 1, 2017

  • SME
    Current Issues in US Mine Ventilation

    By Raja V. Ramani

    The importance of adequate mine ventilation for good health and safety conditions has been recognized since miners first ventured underground. All over the world, governmental actions on mine health a

    Jan 1, 1993

  • SME
    New Cone Crusher Designs

    By Jerry Motz, Gary Beerkircher

    Through a joint development program between Bougainville Copper Ltd. and Nordberg, the MP1000 cone crusher was developed and tested during the period between 1982 and 1987. Following the successful pr

    Jan 1, 1992

  • SME
    Update On The Continuing Functions Of The Former US Bureau Of Mines (c95b4eb0-e02e-42e7-a33b-1ba55c1d3cb3)

    By John N. Murphy

    In fiscal 1996, the US Congress directed that the US Bureau of Mines (USBM) be closed. Certain functions were reassigned to other agencies. The remaining employees were separated and the unoccupied si

    Jan 1, 1997

  • SME
    Assessment Of Empirical Design Methods For Tunnels In Rock

    By Gregory B. Baecher, Walter Steiner, Herbert H. Einstein

    1. INTRODUCTION Empirical methods have always been important in tunneling in contrast to many other branches of engineering. Beginning in the late 19th century, when engineering entered the phase o

    Jan 1, 1979

  • SME
    Durability Design Requirements for Reinforced Concrete Underground Structures

    By Pooyan Asadollahi, Praveen Krishna, Michael Joye

    "Durability design for underground structures is an increasing focus of designers and owners in the underground construction industry. Many owners have expanded their requirements for durability desig

    Jan 1, 2016

  • SME
    Calculation of the Amount of Methane Degassing From a Longwall Based on a Mathematical-Physical Model

    By J. den Drijver, M. Opahle, R. Inderst

    Safety reasons render necessary the advanced calculation of the amount of methane degassing from a longwall in the scope of the ventilation planning of mines. Today empirical methods, which are based

    Jan 1, 1997

  • SME
    Determination Of Radiation Levels To Be Encountered In Underground And Open-Pit Uranium Mines - Introduction

    By J. F. Archibald

    It is often alleged by mine ventilation engineers that no reliable method exists to forecast the levels of radiation to be encountered in future uranium mines. It results that the design of uranium mi

    Jan 1, 1980

  • SME
    Translucent Face Partition For Longwall Dust Control

    By Michael H. Leon, John A. Organiscak

    Controlling worker dust exposure on longwall mining systems is difficult because the working face area serves as an immediate return during the mining cycle and the amount of airborne dust generated i

    Jan 1, 1993

  • SME
    Evaluation of Performance of Mike Equipment Operators By Indirect Measurement Of Stress

    By Edehran Lotfi, Terrence Stobbe

    INTRODUCTION Mobile excavating and handling equipment are important 'tools of trade' in the mining and construction industries. The handling of this equipment must be mastered so that it

    Jan 1, 1986

  • SME
    Electrochemical Processing Of Ocean Manganese Nodules With Microbial Enhancement To Recover Valuable Metals

    By K. A. Natarajan, Abha Kumari

    In this paper, electroleaching and electrobioleaching of ocean manganese nodules are discussed along with the role of galvanic interactions in bioleaching. Polarization studies using a manganese nodul

    Jan 1, 2003

  • SME
    Educating the Coal Mining Industry in the Field of Engineering Health and Safety

    By Albert W. Evans

    Introduction Engineering Health and Safety is concerned with the understanding of the complex interplay between the risk of injury with technological ,environmental, individual, organisational and

    Jan 1, 1986

  • SME
    Rapid Determination Of Non-Newtonian Flow Behavior In Mineral Suspensions

    By S. K. Kawatra, A. K. Bakshi

    Mineral suspensions in water show Newtonian flow properties at low percent solids. However, this changes to a non-Newtonian regime as the pet-cent solids increases. For Newtonian fluids, viscosity is

    Jan 1, 1997