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Mining Publication: Comparison of Methods: Dynamic Versus Hydrostatic Testing of Mine Ventilation Seals
Keywords: Dynamics Mining types and methods Seals
Original creation date: September 2008
Authors: MJ Sapko, SP Harteis, ES Weiss
Peer Reviewed Journal Article - September 2008
Download PDF Document (0.77 MB)
NIOSHTIC2 Number: 20034425
Min Eng 2008 Sep; 60(9):147-153
From 2001 to 2007, the Pittsburgh Research Laboratory (PRL) of the National Institute for Occupational Safety and Health (NIOSH) conducted studies to develop alternative methodologies to full-scale explosion testing for determining the ultimate strength of mine seals. As a result, the PRL developed and proposes an alternative seal-strength evaluation method based on a hydrostatic pressure-loading concept. The researchers suggest pressure loading a seal using water to twice the expected dynamic design load. The hydrostatic chamber test offers a means of validating seal designs, establishing appropriate resistance functions and determining the ultimate strength of seals through testing to failure. This article contrasts the full-scale explosion and hydrostatic testing of mine seals using a simple dynamic system model and principles.
Image of publication Comparison of Methods: Dynamic Versus Hydrostatic Testing of Mine Ventilation SealsPeer Reviewed Journal Article - September 2008
Download PDF Document (0.77 MB)
NIOSHTIC2 Number: 20034425
Min Eng 2008 Sep; 60(9):147-153
See Also
Clearing the Air
Demonstration of Safety Plugging of Oil Wells Penetrating Appalachian Coal Mines
Explosion Pressure Design Criteria for New Seals in U.S. Coal Mines
Inflatable Partitions for High-Expansion Foam Generators
Programmable Electronic Mining Systems: Best Practice Recommendations (In Nine Parts): Part 8: 6.0 Safety File Guidance
Progress Toward Improved Engineering of Seals and Sealed Areas of Coal Mines
Strength Characteristics and Air-Leakage Determinations for Alternative Mine Seal Designs
Strengthening Existing 20-psi Mine Ventilation Seals With Carbon Fiber-Reinforced Polymer Reinforcement
Use of Ground Penetrating Radar and Schmidt Hammer Tests to Determine the Structural Integrity of a Mine Seal
Use of Pressure Swing Adsorption Technology to Inert Sealed Mine Areas with Nitrogen
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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