Results 261 to 263 of about 4,616 (263)

Study of Effects of Hard Thick Roof on Gas Migration and Field Experiment of Roof Artificially Guided Pre-splitting for Efficient Gas Control

Natural Resources Research, 2019
Tong Liu, B. Lin, Wei Yang, Ting T. Liu, Wu Xiao, W. Zha   +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
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