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Abstract
Aspects in Mining & Mineral Science
A Novel Methodology for Predicting Fractures and Mining Induced Seismicity around Underground Excavations
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Open or CloseR W O Kersten*
Witwatersrand University, South Africa
*Corresponding author:R W O Kersten, Witwatersrand University, 7 Imverness Road, Johannesburg, South Africa
Submission: December 10, 2025: Published: December 17, 2025
ISSN : 2578-0255Volume14 Issue 4
Abstract
The paper describes a failure criterion/methodology consisting of five components: the maximum and minimum principal stresses, their ratio, a strength/stress criterion, stress orientations and the coincidence of the optimum stress orientation and the strength/stress contour. The criterion is included in an elastic continuum model for a series of mining geometries predicting fracture development and comparing these with measured data. The extent and fracture type and possible seismic activity is discussed. It is concluded that the results obtained are positive and this line of research is worthwhile pursuing.
Keywords:Mining; Coalescence; Microcrack; Underground excavations; Optimal orientations
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