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- Research methods and measures:
- Point load tests
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Results 1 - 5 of 5
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10/1/2016 - Peer reviewed journal articlesThis article by NIOSH describing testing of three different versions of relief valves and their effectiveness in regulating the pressure in a built-in-place refuge alternative.
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2/1/2010 - Conference papersThis paper explains the results of round determinate panel tests by NIOSH researchers and relates the flexural strength and toughness of fiber-reinforced shotcrete to known energy absorbing properties of wire mesh.
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6/1/2006 - Conference papersA method is presented for creating realistic numerical models for practical coal mine ground control. This procedure enables realistic comparisons of the effectiveness of alternative rock support systems.
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8/1/2001 - Conference papersThis paper presents investigations of underground measurements conducted to determine the loading response of stoppings constructed from lightweight aggregate concrete masonry units.
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8/1/2000 - Conference papersThis study involved extensive load frame and point load testing of coal measure rocks in six states. More than 10,000 test results from 908 distinct rock units were used to classify rock lithologies into categories and determine conversion factors.
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Content source: National Institute for Occupational Safety and Health, Mining Program