Results 1 - 10 of 15

• Explosion Effects on Mine Ventilation Stoppings
  11/1/2008 - Reports of Investigations
  A joint MSHA and NIOSH study simulated actual coal mine explosion accidents to evaluate blast effects on typical U.S. mine ventilation stoppings, and presents construction and testing methods, explosion test data, and post-explosion conditions.
• Mine Roof Simulator (MRS) Laboratory
  10/22/2016 - Research projects
  A project to utilize the capabilities of the Mine Roof Simulator (MRS) Laboratory to test underground roof support and ventilation structures and apply these results to engineer safer products and applications.
• Improving stopping construction to minimise leakage
  7/1/2012 - Peer reviewed journal articles
  The research presented in this paper investigates the total leakage of a stopping, including air leakage through the stopping, at the stopping perimeter, and through the coalbed.
• Comparison of the Transverse Load Capacities of Various Block Ventilation Stoppings under Arch Loading Conditions
  6/1/2008 - Conference papers
  This paper compares the transverse load capabilities of several block materials and wall dimensions commonly used in stopping constructions based upon simulated three-hinge, rigid-arch loading tests of half-wall constructions.
• Development of New Protocols to Evaluate the Transverse Loading of Mine Ventilation Stoppings
  6/1/2006 - Conference papers
  A new protocol based on rigid arch loading of the structure is proposed to determine the true transverse load capacity of block stoppings. Tests show that load capability depends on the block's physical properties and the wall's geometric properties.
• Maximizing the Ventilation of Large-Opening Mines
  6/1/2006 - Conference papers
  NIOSH research suggest that by incorporating ventilation planning into the mine planning process, using propeller fans, developing new stopping materials and construction methods, and using long pillars to eliminate crosscuts where possible, the ventila...
• Technology News 519 - EZ-Up Curtain Stoppings: A Practical Solution for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
  5/1/2006 - Technology News
  The EZ-Up curtain stopping is designed primarily for use as a temporary or portable stopping, although test results indicate that it may remain durable for an extended time. It can be constructed from a variety of fabrics, including standard mine bratti...
• Technology News 518 - Super Stopping: A Permanent Solid Stopping for Directing Ventilation Airflows in Large-opening Metal/Nonmetal Mines
  5/1/2006 - Technology News
  The Super Stopping is a permanent, long-term ventilation control for large-opening metal/nonmetal mines designed to last for the life of the mine. This report discusses construction of a Super Stopping, as well as successful testing of the stopping at 3...
• Ventilation Planning Layouts for Large Opening Mines
  2/1/2004 - Conference papers
  Describes three alternative ventilation models for use in large opening underground mines with respect to their use in mines of various levels of development.
• Evaluation of Explosion-Resistant Seals, Stoppings, and Overcast for Ventilation Control in Underground Coal Mining
  12/1/2002 - Reports of Investigations
  Evaluation of the strength characteristics and air leakage resistance of numerous innovative seal designs and ventilation control structures for use in underground coal mines.