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An Assessment of the Effects of Longwall Chain Pillar Configuration on Gate Road Stability.

Authors
Listak-JM; Zelanko-JC
Source
Proc 28th U S Symp on Rock Mechanics 1987 :1083-1093
Link
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.
Publication Date
19870101
Document Type
OP;
Fiscal Year
1987
NTIS Accession No.
NTIS Price
Identifying No.
OP 104-87
NIOSH Division
PRC;
Source Name
Proc. 28th U.S. Symp. on Rock Mechanics, 1987, Pp 1083-1093
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