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Evaluation Of Existing Predictive Methods For Mine Subsidence In The U.S.
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Citation (Style = APA)
(1982). Evaluation Of Existing Predictive Methods For Mine Subsidence In The U.S..
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Reference Manager (RIS)
SpreadSheed (CSV)
(1982). Evaluation Of Existing Predictive Methods For Mine Subsidence In The U.S..
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 12
Publication Date:
Jan 1, 1982
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Abstract
Abstract
| 'IM existing predictive methods were chosen for evaluation; an influence function (Bals Theory) and a profile function (hyperbolic). These ere applied to several field measured subsidence profiles over United States coal mines. The effect of homogeneous versus non-homogeneous overburden on surface subsidence is demonstrated and the utilization of Bals Theory as a subsidence predictive method for both types of overburden is examined. The major factor affecting subsidence profile characteristics is the migration of the inflection point toward the centerline of the longwall panel. A computer program was written to aid in the analysis. |
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