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Artificial Supports for Coal Mine Ground Control
The report is a discussion of four types of support systems developed by the U.S. Bureau of Mines for use in both room-and-pillar retreat and longwall mining systems. These are: Mobile Roof Support System; Steel-Fiber-Reinforced Concrete Cribbing; Yielding Steel Posts; and Lightweight Hydraulic Supports.
Artificial Supports for Coal Mine Ground Control
The report is a discussion of four types of support systems developed by the U.S. Bureau of Mines for use in both room-and-pillar retreat and longwall mining systems. These are: Mobile Roof Support System; Steel-Fiber-Reinforced Concrete Cribbing; Yielding Steel Posts; and Lightweight Hydraulic Supports.
Artificial Supports for Coal Mine Ground Control
1996
17 pages
Report
Keine Angabe
Englisch
Elsevier | 1981
|Engineering Index Backfile | 1914
|Engineering Index Backfile | 1912
Engineering Index Backfile | 1940
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