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Characterization and measurement of longwall rock mass movement.
Listak-JM; Hill-JL III
International Symposium on Application of Rock Characterization Techniques in Mine Design: proceedings of the Symposium held at the SME-AIME Annual Meeting, March, 1986, New Orleans, Louisiana. Karmis M, ed. Littleton, CO : Society of Mining Engineers, 1986 Mar; :133-141
This paper addresses the origins, directions, and magnitudes of loads imposed on longwall roof supports by the caving of the overlying strata. Physical property data are also presented to demonstrate the relationship between caving behavior and local geology. Analyses of data show that strata behavior above longwall extractions is highly dependent upon lithology with major disturbances occurring at weak zones. Information collected from this study is correlated with measurements taken from several other studies (i.e., shield support load measurements, pillar loading, and subsidence measurements) to provide a comprehensive description of the stress distribution and strata behavior associated with the extraction of a longwall panel.
OP; Conference/Symposia Proceedings
International Symposium on Application of Rock Characterization Techniques in Mine Design: proceedings of the Symposium held at the SME-AIME Annual Meeting, March, 1986, New Orleans, Louisiana
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