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Mining Publication: Numerical Modeling Procedures for Practical Coal Mine Design

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June 2006

Image of publication Numerical Modeling Procedures for Practical Coal Mine Design

A method is presented for creating realistic numerical models for practical coal mine ground control. The method includes procedures to collect the necessary mechanical input parameters from a geologic core log, to set up a model, and to interpret calculation results. The input parameters come from a detailed geologic core log and extensive point load tests of estimate rock layer strength. A suite of material property input parameters is proposed that allows the user to go from core log to numerical model inputs. Rock bolt anchorage properties are also linked to the material properties of each geologic layer in the model. Following this procedure leads to very realistic calculations of the rock failure process and rock support system behavior. These calculations in turn enable realistic comparison of the effectiveness of alternative rock support systems.

Authors: RK Zipf

Conference PaperJune - 2006

  • Adobe Acrobat - Portable Document Format (.PDF)

    0.45 MB

NIOSHTIC2 Number: 20030405

Proceedings of the 41st U.S. Rock Mechanics Symposium, Golden, Colorado, June 17-21, 2006. Alexandria, VA: American Rock Mechanics Association, 2006 Jun; :1-11

 
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