Results 231 to 240 of about 4,616 (263)

Study on the technology and application of cooperative roadway protection with roof cutting pressure relief and CO₂ mineralization and filling. [PDF]

Sci Rep
Deng G, Li H.
europepmc   +1 more source

Disaster treatment and multisource monitoring of rockbursts in isolated island coal face under hard roof conditions. [PDF]

Sci Rep
Yun M, Ren J, Zhang L, Guo F, Chen X.
europepmc   +1 more source

Overburden failure characteristics and fracture evolution rule under repeated mining with multiple key strata control. [PDF]

Sci Rep
Chaoshang S, Chaoyang S, Zhiming Z, Haixiao L, Zhenhua L, Feng D, Zhengzheng C, Pengtao L, Lin L.   +8 more
europepmc   +1 more source

Evolution and stability mechanics analysis of the elliptical stress arch structure in the surrounding rocks of the underground mining area. [PDF]

Sci Rep
Li Y, Chang G.
europepmc   +1 more source

Using physical model test and numerical simulation for revealing the mechanism of stope collapse: a case study. [PDF]

Sci Rep
Zhang R, Xie C, Chen J.
europepmc   +1 more source

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HemaSphere, Volume 10, Issue S1, June 2026.
wiley   +1 more source

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Numerical and Field Investigations of Rockburst Mechanisms Triggered by Thick-Hard Roof Fracturing

Rock Mechanics and Rock Engineering, 2022
Zhi-Long He, Cai-Ping Lu, Xiu-Feng Zhang   +2 more
exaly   +3 more sources

Ground Control Method of Using Roof Cutting Pressure Release and Energy-Absorbing Reinforcement for Roadway with Extra-Thick Hard Roof

Rock Mechanics and Rock Engineering, 2023
Bei Jiang, Manchao He, Haojie Xue
exaly   +3 more sources

Deep-hole directional fracturing of thick hard roof for rockburst prevention

Tunnelling and Underground Space Technology, 2012
Abstract Thick hard roof in coal mines is usually a significant factor that induces dynamic disasters, such as rockburst. This study introduces a new technology called directional hydraulic fracturing characterized by cutting out an initial groove in the borehole and then injecting high pressure liquid to break the rock.
Hu He, Linming Dou
exaly   +2 more sources

Study on the fracture characteristics of thick-hard limestone roof and its controlling technique

Environmental Earth Sciences, 2017
The Taiyuan group is one of the coal-bearing formations in Shanxi Province, in which coal resource is extremely abundant. No.15 coal seam is the main minable coal seam in Taiyuan group, and it develops with thick-hard limestone roof which is a threat to safe and efficient mining because of the roof failure.
Jinlong Jia, Shiqi Liu, Jia Jinlong
exaly   +2 more sources