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Mining Contract: Evaluation, Scaled Testing, and Testing Design of Active Explosion Barriers Systems for the US Underground Coal Mines
Keywords: Coal mining Explosion suppression Physical barriers
This page is archived for historical purposes and is no longer being maintained or updated.
Contract #
200-2017-94434Start Date
8/29/2017End Date
8/31/2019Research Concept
The use of active explosion barrier systems in the United States could enhance the safety of underground coal mines.
Contract Status & Impact
This contract is complete. To receive a copy of the final report, send a request to mining@cdc.gov.
Underground coal mine explosions can be addressed using two methods: prevention and mitigation. U.S. mining industry practices have placed emphasis on preventing explosions in underground coal mines, with little being done to mitigate explosions if they occur, other than the use of rock dust to minimize propagation. Despite success in preventing underground coal mine explosions in the U.S., the threat of an explosion does still exist.
Other mining countries have been working towards developing mitigation techniques such as active explosion barriers. The contractor’s research team is developing active-barrier system components in-house as well as acquiring systems from other countries. The researchers have analyzed the most used active barrier systems in other mining countries, developing a comprehensive database with existing literature of barrier systems. Currently they are in the process of developing both small- and large-scale shock tubes where they can test active barrier sensors in methane/coal dust explosions.
See Also
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
NIOSH Research in Coal Dust and Explosions
Passive Fiber Optic System for Locating, Tracking, and Communicating with Personnel in Coal Mines
Refuge Alternatives in Underground Coal Mines
Remote Methane Sensors
Results of In-Mine Research in Support of the Investigation of the Sago Mine Explosion
Safe and Economical Inerting of Sealed Mine Areas
Technical Solutions for Enhancements to Mine Safety Using Barricade II Fire Blocking Gel
Ultra-Low Frequency Through-the-Earth Communication Technology
Wireless Mesh Mine Communication System
Page last reviewed: April 10, 2020
Page last updated: December 12, 2018
Content source: National Institute for Occupational Safety and Health, Mining Program
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