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Numerical Modeling Procedures For Practical Coal Mine Design
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    Golden Rocks 2006, Proceedings of the 41st U.S. Rock Mechanics Symposium, Golden, Colorado, June 17-21, 2006. Alexandria, VA: American Rock Mechanics Association, Paper No. 06-1119, 2006 Jun; :1-11
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    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, procedures to set up a model and procedures 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 which allow 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.

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