|
Accession Number
|
PB2013-102161
|
|
Title
|
Yield Pillar Sizing: An Empirical Approach.
|
|
Publication Date
|
1995
|
|
Media Count
|
34p
|
|
Personal Author
|
R. O. Kneisley
|
|
Abstract
|
An empirical method, based on U. S. Bureau of Mines field studies in several Western U.S. coal mines, is presented for sizing gate road yield pillars. Discriminant analysis was used to generate functions separating successful from unsuccessful case studie ...
|
|
Keywords
|
Coal Mine Roof Rating(CMRR) System
Coal mines
Design methodology
Mine operators
Model parameters
Pillar length
Pillars
Sizing
|
|
|
Source Agency
|
Bureau of Mines
|
|
NTIS Subject Category
|
48A - Mineral Industries
46E - Structural Mechanics
50D - Soil & Rock Mechanics
|
|
Corporate Author
|
Bureau of Mines, Washington, DC.
|
|
Document Type
|
Technical report
|
|
Title Note
|
Rept. of investigations.
|
|
NTIS Issue Number
|
1306
|
|
Contract Number
|
N/A
|
