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Keywords: lead abutment pressure
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Proceedings Papers
Study on the Pressure Behavior Law of Fully Mechanized Face With Large Mining Height in Yangchangwan Coal Mine
Available to Purchase
Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-104
... ABSTRACT: In order to study the pressure behavior of No. 120207 fully mechanized working face in Yangchangwan coal mine, the rule of the distribution characteristics of lead abutment pressure and the characteristics of roof weighting were studied through numerical modeling and site observation...
Proceedings Papers
Study on Experiment of Breaking Law of Overlying Strata and Disaster Characteristics in Large Mining Height Stope
Available to Purchase
Paper presented at the 3rd ISRM Young Scholars Symposium on Rock Mechanics, November 8–10, 2014
Paper Number: ISRM-YSS-2014-140
... initial mining stage more violent than normal mining stage, main roof was broken after hydraulic support was moved when the main roof reached the maximum span, so the hydraulic support must be sliding advance of support during periodic weighting. The lead abutment pressure peak was located in front...
