Results 281 to 290 of about 159,695 (300)

Deformation mechanism and roof pre-splitting control technology of gob-side entry in thick hard main roof full-mechanized longwall caving panel

Journal of Central South University
Haosen Wang, Manchao He, Jiong Wang, Gang Yang, Zi-min Ma, Can Ming, Rui Wang, Zeng Feng, Wen-jie Zhang   +8 more
semanticscholar   +2 more sources

Research and Application of Rockburst Prevention Technology in the Return Airway with Deep Thick Hard Sandstone Roof

Applied Sciences
To address the issue of rockburst in deep return airways caused by thick, hard sandstone roofs in the Hulusu Coal Mine, this study proposes a deep borehole pressure relief technique based on hydraulic fracturing.
Zhensuo Wang, Yongli Liu, Zhixiang Song, Yaozu Ni, Pengxin Zhang   +4 more
semanticscholar   +1 more source

Hydraulic fracturing technology for controlling surrounding rock failure under coal pillar and thick-hard roof conditions: stress-fluid–solid coupling analysis based on multi-scale DEM

Engineering Failure Analysis
Yiyi Wu, Chenyang Liu, Yubing Gao, Manchao He, Jingkun Zhu, Chuanjiu Zhang   +5 more
semanticscholar   +1 more source

Structural Characteristics of the Overlying Strata in a Fully Mechanized Longwall Face with the Low-Position Thick-Hard Roof

Geotechnical and Geological Engineering, 2020
Xinshuai Shi, H. Jing, Z. Zhao
semanticscholar   +1 more source

Study on rockburst prevention technology of isolated working face with thick-hard roof

, 2020
C. Jia, Hailong Wang, Sun Xizhen, Yu Xianbin, H. Luan   +4 more
semanticscholar   +1 more source

Study on the Method of Pressure Relief and Energy Absorption for Protecting Roadway Under Thick and Hard Roof

Rock Mechanics and Rock Engineering, 2023
Qiankun Fu, Jun Yang, Hong-Jong Song, Xingyi Wu, Yuxuan Liu, Xingjian Wei   +5 more
semanticscholar   +1 more source

Fracture failure analysis of hard–thick sandstone roof and its controlling effect on gas emission in underground ultra-thick coal extraction

Engineering Failure Analysis, 2015
Yuan-ping Cheng
exaly  

High-level thick-hard Roof Blasting Pressure Relief Mechanism and Experimental Study in Deep Rockburst Mines

Mining Metallurgy & Exploration
Bingbing Yu, Renshu Yang, Jinjing Zuo, Yuantong Zhang, Bo Wang   +4 more
semanticscholar   +1 more source

Fracture analysis of double-layer hard and thick roof and the controlling effect on strata behavior: A case study

Engineering Failure Analysis, 2017
Lishuai Jiang, Ning Jiang, Xuesheng Liu
exaly  

Comprehensive roof cutting, pressure relief, and energy absorption anchorage control for mining roadways with extremely thick and hard roofs

Tunnelling and Underground Space Technology
Zhenhua Jiang, Xuebin Gu, Hengbin Chu, Shitong Chen, Yukun Ma   +4 more
openaire   +1 more source