2019
DOI: 10.1088/1755-1315/330/3/032058
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Stability Control of Surrounding Rock in Large-Section Weak- and Thick-Coal Open-cutting Roadway in Deep Mine

Abstract: In view of the supporting problems in the large-section weak- and thick-coal open-cutting roadway in the deep coal mines, this paper adopts numerical simulation, theoretical analysis, and field measurement to study the deformation and failure law of the surrounding rock and explore corresponding control measures. The results show that: 1) The surrounding rock of open-cutting roadways is divided into a fracture-through zone, a fracture development zone, and a micro-fracture zone. When the width of the roadway i… Show more

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