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Keywords: work face
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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
... of the 5–10 m range of working face, the influence range of lead abutment pressure was located in front of 95–100 min working face, the stress concentration coefficient was between 1.35 and 2.12; The first breaking span of main roof was 90 m, the periodic breaking span of main roof was between 10 to 40 m...
