Results 531 - 540 of 618

• Securing the Blast Site to Prevent Blasting Related Injuries: Blasting Safety - Revisiting Site Security
  7/1/2005 - Peer reviewed journal articles
  This article examines the factors related to injuries due to inadequate blasting shelters and blast area security, and identifies mitigation techniques.
• Shale Failure Mechanics and Intervention Measures in Underground Coal Mines: Results from 50 Years of Ground Control Safety Research
  2/1/2016 - Peer reviewed journal articles
  A report presenting a historical narrative on the research the National Institute for Occupational Safety and Health has conducted in relation to rock mechanics and shale.
• A Shell-Based Magnetic Field Model for Magnetic Proximity Detection Systems
  3/1/2012 - Peer reviewed journal articles
  This paper will present an analysis of the model along with a model construction process.
• A Shotcrete Adhesion Test System for Mining Applications
  1/1/2011 - Peer reviewed journal articles
  NIOSH is researching safe practices for the use of shotcrete as ground support in underground mines, particularly mines operating in weak host rock; including a rugged, portable direct tensile test system for measuring shotcrete adhesion strength.
• Simulation and Measurement of Medium-Frequency Signals Coupling From a Line to a Loop Antenna
  10/1/2016 - Peer reviewed journal articles
  An article which presents the simulation and measurement results of recent NIOSH research aimed at investigating medium frequency coupling between a transmission line and a loop antenna in an underground coal mine.
• Simulation and Measurement of Through-the-Earth, Extremely Low-Frequency Signals Using Copper-Clad Steel Ground Rods
  9/1/2017 - Peer reviewed journal articles
  A paper presenting the simulation and measurement results of recent NIOSH research aimed at investigating current injection at extremely low-frequency, and in particular, ground contact impedance.
• Simulation of Spontaneous Heating in Longwall Gob Area with a Bleederless Ventilation System
  8/1/2008 - Peer reviewed journal articles
  To provide insights for the optimization of bleederless ventilation systems for U.S. underground coal mines, a computational fluid dynamics study was conducted to model spontaneous heating in longwall gob areas using a bleederless ventilation system.
• Simultaneously Reducing CO2 and Particulate Exposures via Fractional Recirculation of Vehicle Cabin Air
  7/1/2017 - Peer reviewed journal articles
  An article presenting research on fractional recirculation as a simple method to reduce exposures to particulate matter and CO2 in vehicles.
• Slip Potential for Commonly Used Inclined Grated Metal Walkways
  4/1/2015 - Peer reviewed journal articles
  An article describing a study to determine if there are significant differences in the required friction for different grated metal walkways during walking in diverse conditions.
• Smart Monitoring and Control System Test Apparatus
  4/23/2019 - Peer reviewed journal articles
  An article describing NIOSH's work developing a test apparatus for a smart monitoring and control system for mine air quality.