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Anchorage Capacities in Thick Coal Roofs.

Authors
Tadolini-SC
Source
MISSING :13 pages
Link
NIOSHTIC No.
10004867
Abstract
The anchorage capacity of four types of bolting systems was investigated in two mines with thick coal roofs. In conjunction with the in-mine tests, a simple axisymmetric finite element computer program was developed. Both the field and computer results indicated that thick coal roofs can be effectively supported entirely by the coal member.
Publication Date
19860101
Document Type
IH; Information Circular;
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
IC 9058
NIOSH Division
DRC;
Source Name
MISSING
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