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An assessment of the effects of longwall chain pillar configuration on gate road stability.

Authors
Listak JM; Zelanko JC
Source
Rock mechanics: proceedings of the 28th U.S. Symposium on Rock Mechanics, June 29 - July 1, 1987, Tucson, Arizona. Farmer IW, Dacmen JJK, Desai CS, Neuman SP, eds. Boston, MA: A. A. Balkema, 1987 Jun; :1083-1093
NIOSHTIC No.
10005579
Abstract
This paper describes a study to assess the redistribution of mining-induced stress associated with longwall panel extraction. The objective of this study was to assess the performance of various chain pillar configurations on gate road entry stability. Field measurements were collected and analyzed to develop profiles of the stress redistribution occurring in the gate road chain pillars during longwall panel retreat mining. A better understanding of the redistribution of stress will allow for improved gate road design by more accurately defining the loads imposed on chain pillars.
Keywords
Mining; Rock mechanics; Longwall mining; Environmental stress; Pillar design; Pillar mechanics; Ground stability
Publication Date
19870629
Document Type
OP; Conference/Symposia Proceedings
Editors
Farmer IW; Dacmen JJK; Desai CS; Neuman SP
Fiscal Year
1987
NTIS Accession No.
NTIS Price
ISBN No.
9789061916994
Identifying No.
OP 104-87
NIOSH Division
PRC
Source Name
Rock mechanics: proceedings of the 28th U.S. Symposium on Rock Mechanics, June 29 - July 1, 1987, Tucson, Arizona
State
PA; AZ
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