Three-dimensional shield mechanics

  • 23 Pages
  • 0.38 MB
  • English
U.S. Dept. of the Interior, Bureau of Mines , Pittsburgh, Pa
Mine roof control -- Testing., Longwall mi
Other titlesShield mechanics., 3-dimensional shield mechanics.
Statementby Thomas M. Barczak and W. Scott Burton.
SeriesReport of investigations ;, 9091, Report of investigations (United States. Bureau of Mines) ;, 9091.
ContributionsBurton, W. Scott.
LC ClassificationsTN23 .U43 no. 9091, TN288 .U43 no. 9091
The Physical Object
Pagination23 p. :
ID Numbers
Open LibraryOL2493105M
LC Control Number87600011

Additional Physical Format: Online version: Barczak, Thomas M. Three-dimensional shield mechanics. Pittsburgh, Pa.: U.S. Dept. of the Interior, Bureau of Mines, THREE-DIMENSIONAL SHIELD MECHANICS By Thomas M. Barczak1 and W. Scott Burton2 ABSTRACT This Bureau of Mines report describes research on developing technol­ ogy to utilize shields as roof load monitors.

Three-dimensional equa­ tions of static quilibrium are presented for a generic two-legged long- wall : Thomas M. Barczak, W. Scott. Burton. Three-Dimensional Crack Problems (Mechanics of Fracture) Volume 2 [Sih, George C., Kassir, M.K.] on *FREE* shipping on qualifying offers.

Three-Dimensional Crack Problems (Mechanics of Fracture) Volume 23/5(1).

Details Three-dimensional shield mechanics EPUB

Three- dimensional equations of static equilibrium are presented for a generic two-legged longwall shield.

The equations are presented in the most general form, assuming a force and moment vector at each reaction by rigid-body analysis of the shield mechanics. The resulting system of equations was found to be indeterminate to a very high degree. Three-dimensional shield mechanics / (Pittsburgh, Pa.: U.S.

Dept. of the Interior, Bureau of Mines, ), also by W. Scott Burton (page images at HathiTrust) Barczak, Thomas M.: Two-leg longwall shield mechanics / (Pittsburgh, PA: U.S.

Dept. of the Interior, Bureau of Mines, ), also by David E. Schwemmer (page images at HathiTrust). Shield mechanics and resultant load vector studies.

Published Date: Series: Three- dimensional equations of static equilibrium are presented for a generic two-legged longwall shield. The equations are presented File Type: [PDF - KB].

Description Three-dimensional shield mechanics PDF

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