Electronic Resource
Springer
Geotechnical and geological engineering
5 (1987), S. 257-271
ISSN:
1573-1529
Keywords:
Longwall mining
;
caving
;
fuzzy set
;
rock mass classification
;
longwall support
Source:
Springer Online Journal Archives 1860-2000
Topics:
Geosciences
Notes:
Summary Evaluation of the caving behaviour of longwall roof rocks has thus far been based on a pot-pourri of classification systems, which ignore basic caving criteria. The paper outlines a new classification model of roof strata namely cavability using fuzzy set methodology and linguistic variables to assign ratings for individual roof beds. A microcomputer program has been developed to evaluate the decision ratings for cavability and the model applied to ten longwall case-histories from Indian coalfields. The classification model has excellent potential for being used as a standard tool for the evaluation of caving behaviour of longwall roof rocks.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01560777
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