Establishment on Extension Model of Evaluating Top Coal Cavability in Fully Mechanized Top Coal Caving Face of Thick Seam

Published: Jan 1, 2013
Abstract
In order to overcome the shortcomings about a large amount of calculation and strong subjectivity of the present top coal cavability evaluation methods,the authors established a new top coal cavability evaluation method which was easy to calculate and promote.The paper analyzed the major impact factors of top coal cavability,and assigned weight value to those factors.Based on extension theory evaluation criteria,a extension theory model of...
Paper Details
Title
Establishment on Extension Model of Evaluating Top Coal Cavability in Fully Mechanized Top Coal Caving Face of Thick Seam
Published Date
Jan 1, 2013
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