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Mining Publication: Rib Stability: Practical Considerations to Optimize Rib Design

Original creation date: January 1992

Image of publication Rib Stability: Practical Considerations to Optimize Rib Design

The Bureau of Mines examined previous research on rib stability in an effort to develop a practical approach to understanding, characterizing, and controlling weak rib conditions in underground coal mines. Because success in stabilizing ribs depends on a basic knowledge of how weak ribs behave, the report reviews the mechanics of rib failure and the relationship of coal mine geology and pillar constraint to rib instability. Strategies for choosing an effective method of rib support are considered, and various rib support methods are discussed. Finally, the report documents techniques for monitoring ribs and use of models to assess rib stability; such monitoring and modeling can also help determine the most effective method for roof support.

Authors: WC Smith

Information CircularJanuary - 1992

  • Adobe Acrobat - Portable Document Format (.PDF)

    3.53 MB

NIOSHTIC2 Number: 10011370

U.S. Department of the Interior, Bureau of Mines, Information Circular 9323, 1992 Jan:1-16

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