Reasonable drilling angle and technology application for pre-cracking thick-hard roofs before driving gob-side roadways in ultra-thick seams. [PDF]
He F, Wu Y, Wang D, Zhang J, Tao K.
europepmc +1 more source
Instability mechanism of deeply buried coal seam floor under mining effects and optimization of extraction roadway layout. [PDF]
Chen X +5 more
europepmc +1 more source
Parametric study of a new pressure relief borehole layout for high-stress roadway rockburst prevention. [PDF]
Lu F, Dou L, Chai Y, Ma X, Cao J, Li H.
europepmc +1 more source
Mechanism and engineering practice of roof stability for secondary gob-side entry retaining in deep mines. [PDF]
Wu J, Chen J, Xie F.
europepmc +1 more source
Comparative analysis and verification on broken rock zone of model test based on multiple testing methods. [PDF]
Liu G, Liu Z, Luan Y, Xian J.
europepmc +1 more source
Catastrophic instability criterion for roadway roof and sidewall rock mass under deep-hole roof blasting in Songshan coal mine. [PDF]
Guo D, Chen J, Wang H, Wei Z, Gao Q.
europepmc +1 more source
Study on the influence of stress relief in close-distance coal seam Goaf and roadway excavation disturbance on surrounding rock. [PDF]
Liu Z, Chen M.
europepmc +1 more source
Mechanism and control of asymmetric floor heave in thick-seam gob-side roadways with staggered-elevation negative coal pillar layout. [PDF]
Liu B +5 more
europepmc +1 more source
Research on surrounding rock control technology of roof cutting and pressure relieving for roadside filling in gob-side entry retaining of large mining height panel. [PDF]
Weiyong L +5 more
europepmc +1 more source
Evolution of plastic zone in surrounding rock of roadway within anisotropic stratum under complex in-situ stress. [PDF]
Sun Y +8 more
europepmc +1 more source

