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Instrumentation study of coal mine bumps, Sunnyside district, Utah

Osterwald, F.W. / Dunrud, C.R.

Coal mine bumps are spontaneous and often violent energy releases of coal or rock along ribs, floors, roofs, and faces of some coal mines; size of energy release depends on confining pressure, both large and small releases are physically similar -- result of sudden release of strain energy during formation of shear fractures; in other words, bumps, bounces, and rockbursts are believed generally to be releases of coal or rock during shear failure.

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Instrumentation study of coal mine bumps, Sunnyside district, Utah

Osterwald, F.W. / Dunrud, C.R.

Coal mine bumps are spontaneous and often violent energy releases of coal or rock along ribs, floors, roofs, and faces of some coal mines; size of energy release depends on confining pressure, both large and small releases are physically similar -- result of sudden release of strain energy during formation of shear fractures; in other words, bumps, bounces, and rockbursts are believed generally to be releases of coal or rock during shear failure.

Instrumentation study of coal mine bumps, Sunnyside district, Utah

Osterwald, F.W. / Dunrud, C.R.

Coal mine bumps are spontaneous and often violent energy releases of coal or rock along ribs, floors, roofs, and faces of some coal mines; size of energy release depends on confining pressure, both large and small releases are physically similar -- result of sudden release of strain energy during formation of shear fractures; in other words, bumps, bounces, and rockbursts are believed generally to be releases of coal or rock during shear failure.

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Title:

Instrumentation study of coal mine bumps, Sunnyside district, Utah

Additional title:

Utah Geol Mineralogical Survey -- Bul

Contributors:

Osterwald, F.W. (author) / Dunrud, C.R. (author)

Published in:

Utah Geological and Mineralogical Surveys -- Bulletin

Publication date:

1966

Size:

14 pages

Remarks:

Map

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Coal mines and mining

© Metadata Copyright Elsevier B. V. All rights reserved.

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