Results 81 - 90 of 412

• Analysis of Health and Safety Management System Practices Through Multilevel Interventions
  2/21/2020 - Research projects
  Identify and characterize H&S performance practices through worker-technology-management interactions to provide guidance about risk processes with a focus on management of site risks and improvement in H&S values through empowering initiatives.
• Technology News 562 - ESPnano Characterizes Hazardous Airborne Particles in the Workplace
  2/3/2020 - Technology News
  Learn how the commercially available ESPnano particle sampler is used worldwide for both research and workplace assessments of airborne hazards.
• Analysis of ARMPS2010 Database with LaModel and an Updated Abutment Angle Equation
  1/1/2020 - Peer reviewed journal articles
  A paper presenting a new equation for calculating accurate abutment angles for deeper mining cases. The new equation was tested using both ARMPS2010 and LaModel for the entire case history database of ARMPS2010.
• Influence of Longwall Mining on the Stability of Gas Wells in Chain Pillars
  1/1/2020 - Peer reviewed journal articles
  The article presents seven cases of conventional gas wells within chain pillars and discusses how numerical modeling can provide a more quantifiable approach to assess the stability of the gas wells.
• Ground Stress in Mining (Part 2): Calibrating and Verifying Longwall Stress Models
  1/1/2020 - Reports of Investigations
  This part 2 of a two-part series describes ground stress in mining by calibrating and verifying longwall stress models.
• Loading Characteristics of Mechanical Rib Bolts Determined Through Testing and Numerical Modeling
  1/1/2020 - Peer reviewed journal articles
  A study of the loading characteristics of mechanical bolts (stiffness and capacity) installed in coal ribs at five underground coal mines.
• A Case Study of the Stability of a Non-typical Bleeder Entry System at a U.S. Longwall Mine
  1/1/2020 - Peer reviewed journal articles
  An article detailing observations of the non-typical bleeder entries of a moderate depth longwall panel, with a primary focus on the extent and magnitude of the abutment loading.
• Ground Stress in Mining (Part 1): Measurements and Observations at Two Western U.S. Longwall Mines
  1/1/2020 - Reports of Investigations
  This part 1 of a two-part series describes ground stress in mining based on measurements and observations at two western mines.
• Developing a Virtual Reality Environment for Mining Research
  8/1/2019 - Peer reviewed journal articles
  This paper describes the features of VR Mine, a NIOSH-developed a virtual reality framework that allows the rapid generation of VR software applications for use in research.
• Towards a Field-Portable Real-Time Organic and Elemental Carbon Monitor
  8/1/2019 - Peer reviewed journal articles
  A study investigating the use of mid-infrared spectrometry as a field-portable, real-time method for measuring elemental and organic carbons in diesel particulate matter aerosols.