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Artificial Supports for Coal Mine Ground Control.
PB97120620
Publication Date
1996
Page Count
17
Abstract
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.
Keywords
Coal mines
Strata control
Underground supporting
Underpinning
Hydraulic fluids
Pipes(Tubes)
Steel piles
Source Agency
Bureau of Mines
NTIS Subject Category
48A - Mineral Industries
Corporate Authors
Bureau of Mines, Spokane, WA. Spokane Research Center.
Document Type
Technical Report
NTIS Issue Number
199705
Artificial Supports for Coal Mine Ground Control.
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Artificial Supports for Coal Mine Ground Control.
PB97120620
Publication Date
1996
Page Count
17
Abstract
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.
Keywords
Coal mines
Strata control
Underground supporting
Underpinning
Hydraulic fluids
Pipes(Tubes)
Steel piles
Source Agency
Bureau of Mines
NTIS Subject Category
48A - Mineral Industries
Corporate Authors
Bureau of Mines, Spokane, WA. Spokane Research Center.
Document Type
Technical Report
NTIS Issue Number
199705
