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Keywords: innerburden thickness
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0613
... & mining innerburden innerburden thickness stress field Upstream Oil & Gas shear failure minimum stable innerburden thickness loading condition equation failure mechanism seam mining Rock Mechanics as a Guide for Efficient Utilization of Natural Resources, Khair (ed.) ¸ 1959Balkerna...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the The 28th U.S. Symposium on Rock Mechanics (USRMS), June 29–July 1, 1987
Paper Number: ARMA-87-1107
.... Empirical trends and relationships were obtained for factors such as overburden thickness, innerburden thickness, and extract/on rat/os for both seams and seam thicknesses. As an example, the effect of cover depth and 1111 7OO i I , ß ß I i I i i f, / 0 / 0- NO IN1ERACTION / / - Ir ER ION © / / / / o...
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
... into a software package to assist field engineers in estimating potential interaction effects when undermining a previously mined upper seam (Grenoble et ale 1984; Grenoble & Haycocks, 1985; Grenoble et ale 1985). Figure 1. Number of Innerbeds vs. Innerburden Thickness for Stable/Unstable 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...
