Modify Selection
- Research methods and measures:
- Modeling
- Document types:
- Conference papers
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Results 11 - 18 of 18
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5/1/2004 - Conference papersThis paper describes a project involving modeling rock masses with varying Rock Mass Rating (RMR) values to determine the degree of instability that develops around an underground opening as a function of RMR.
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8/1/2003 - Conference papersStanding crib supports have been applied in underground mining programs to resist large roof movements and sustain high-loads. The parameter that has not been examined and is not well understood is the effect that a crib or other types of standing supp...
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6/1/2003 - Conference papersThe authors hypothesize that excavation-induced extension fractures are caused by elastic shearing displacement that in turn causes tension oblique to a propagating shear zone.
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7/1/2001 - Conference papersAssuring ground control safety in many mining and tunneling projects depends, at least in part, on an understanding of in situ stress conditions that will be encountered.
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8/1/2000 - Conference papersThis paper addresses a deficit in pillar loading research by exploring the accuracy of empirical abutment load calculations using insight provided by an elastic overburden model, a laminated overburden model and field observations.
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3/1/1998 - Conference papersThis paper describes a relatively simple indirect model for the parametric water injection process to extinguish diesel fuel fires in underground mine diesel refueling areas.
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2/1/1998 - Conference papersResearch on applying the work principle to the non-ideal conditions of mining explosives to determine toxic fume production.
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10/1/1997 - Conference papersTwelve subjects participated in an investigation of the biomechanical stresses of asymmetric lifting in stooped and kneeling postures. Three factors were manipulated in this study: posture (stooped or kneeling), height of lift (35 or 70 cm), and weight ...
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Content source: National Institute for Occupational Safety and Health, Mining Program