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Keywords: lower seam
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 27th U.S. Symposium on Rock Mechanics (USRMS), June 23–25, 1986
Paper Number: ARMA-86-0317
... on two seams, and characteristics of innerburden rock have been identified and utilized in evaluation of interaction effects (Haycocks & Karmis, 1983; Webster et al,1984). As an example, Figure 1 shows the relation of innerburden layering and thickness to interaction on the lower seam...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 25th U.S. Symposium on Rock Mechanics (USRMS), June 25–27, 1984
Paper Number: ARMA-84-0591
... mechanics innerburden thickness lower seam ground control problem Reservoir Characterization panel entry stability sequence finite element analysis Thickness convergence layout pillar rib edge metals & mining seam multiple seam mining mining plan upper seam Chapter 61 OPTIMUM MINING...
