Fracture Mechanical Behavior of Cracked Cantilever Roof with Large Cutting Height Mining
Abstract
Accurately predicting the roof collapse span is crucial in ensuring the safe production of thick seam mining with large mining height, which is easy in forming a “cantilever beam” structure. Considering roof damage caused by roadway excavation and coal seam mining disturbance, the fracture mechanics model of large mining height roof cantilever beam with nonpenetrating cracks was established. The roof was divided into two parts: the...
Paper Details
Title
Fracture Mechanical Behavior of Cracked Cantilever Roof with Large Cutting Height Mining
Published Date
Apr 13, 2020
Journal
Volume
2020
Pages
1 - 10
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