Coal Waste Impoundments Risks, Responses, and Alternatives (2002) / Chapter Skim
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Appendix C: Glossary
Appendix C: Glossary
Pages 213-218
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From page 213... ...
BLIND FLUSHING Injection into an underground mine whose access has been obstructed. BLOW-IN Opposite of blow-out; catastrophic failure resulting from water pressure building up on the surface of an outcrop coal barrier; the material "blows in" to the underground workings from the surface.
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From page 214... ...
EMBANKMENT has used in this report) A linear engineered structure extending above the natural ground surface that retains fine coal slurry waste material; it is built with earthen materials or coarse coal refuse (waste material)
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From page 215... ...
LIQUEFACTION The transformation of a solid material, such as loosely packed sediment or cohesionless soil, into a fluid mass due to increased pore pressure and reduced effective stress. LOADING Mass and other vertical stresses applied to structure.
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PROBABLE MAXIMUM PRECIPITATION The theoretical, greatest depth of precipitation for given duration that is possible over a particular drainage basin. P-WAVE Compressional seismic waves; sound waves; they travel faster than other seismic waves.
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From page 217... ...
A structure constructed to contain fine particle waste streams from other mineral processing plants. TENSILE STRESS A normal stress causing separation across the plane on which it acts.
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