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Three-Dimensional Time-Lapse Velocity Tomography of an Underground Longwall Panel.
National Inst. for Occupational Safety and Health, Spokane, WA. Spokane Research Lab.

ProductType: Technical report
NTIS Order Number: PB2008-112617



 
Media Count: N/A
Date: 2008
Author: E. Westman K. Luxbacher M. Karfakis P. Swanson

This paper describes the three-dimensional velocity tomograms that were generated to image the stress redistribution around an underground coal longwall panel to produce a better understanding of the mechanisms that lead to ground failure, especially rock ...

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NTIS announcement issue: 0824

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