Results 281 to 289 of about 1,016,619 (289)

The fracture mechanism and acoustic emission analysis of hard roof: a physical modeling study

Arabian Journal of Geosciences, 2014
Enyuan Wang, Nan LI
exaly  

Research on the mechanical properties of hard roof in underground coal mining

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1990
openaire   +1 more source

The failure of edge-cracked hard roof in underground mining: An analytical study

International Journal of Rock Mechanics and Minings Sciences
Jurij Karlovsek, Songtao Ji, Xing Lai
exaly  

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
Hongyong Liu, Yuanping Cheng
exaly  

Research on the impact and control techniques of gangue rib in hard roof

Engineering Failure Analysis
Tingchun Li, Lijun Fan, Qingwen Zhu, Dongyue Geng, Binxu Wang, Liu Yang   +5 more
openaire   +1 more source

Combined blasting for protection of gob-side roadway with thick and hard roof

Journal of Rock Mechanics and Geotechnical Engineering
Hongxu Song
exaly  

Water injection softening modeling of hard roof and application in Buertai coal mine

Environmental Earth Sciences
Yulong Chen, Teng Teng
exaly  

Test Method for Hardness of Mineral Aggregate Used on Built-Up Roofs

1900
openaire   +1 more source

Test Method for Hardness of Mineral Aggregate Used on Built-Up Roofs

2010
openaire   +1 more source