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CASE HISTORY OF THE RESPONSE OF A LONGWALL ENTRY SUBJECTED TO CONCENTRATED HORIZONTAL STRESS (2007)

The study site was a longwall tailgate subjected to a severe horizontal stress concentration. Field measurements indicated that the stresses applied to the study site nearly doubled during longwall mining, resulting in roof deformations extending to a height of 4.8m (16ft) above the entry. A computer simulation of the field site was conducted using FLAC-2D, incorporating a broad range of rock behaviors and failure mechanisms
Reference:
Int J Rock Mech Min Sci 2007 Feb 44(2)
Organization:
National Institute for Occupational Safety and Health, USA
USA
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