Arching in Soils Applied to Inclined Mine Stopes
Publication: International Journal of Geomechanics
Volume 11, Issue 1
Abstract
Determination of stress distribution, giving due consideration to arching mechanism within minefill stopes, is of great importance because of its influence on the ground stability, ore recovery, and cost effectiveness. Most of the past studies on the stress determination have been applied to vertical stopes, and there is a lack of research study, especially analytical work, on inclined stopes. This study provides an analytical expression for the vertical stress at any depth within the inclined backfilled stopes by incorporating an arching effect within the backfill. Comparatively, the results obtained from this study agree well with other limited analytical and numerical results reported in the literature. A parametric study is undertaken to investigate the effect of various parameters involved in the proposed analytical expression. The results obtained reveal that stope geometry, fill properties, and stope inclination are critical factors in predicting the stress distribution in mine stopes.
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Information & Authors
Information
Published In
International Journal of Geomechanics
Volume 11 • Issue 1 • February 2011
Pages: 29 - 35
Copyright
© 2011 ASCE.
History
Received: Dec 16, 2009
Accepted: Apr 5, 2010
Published online: Apr 10, 2010
Published in print: Feb 2011
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