Results 141 to 150 of about 3,345,704 (190)

Research on location optimization and application of the gob-side entry retaining by roof cutting in close-distance coal seams. [PDF]

Sci Rep
Fu Q, Yang J, Liu Y, Zhang C, Gao Y, Gao H, Ma Q.   +6 more
europepmc   +1 more source

Catastrophic instability criterion for roadway roof and sidewall rock mass under deep-hole roof blasting in Songshan coal mine. [PDF]

Sci Rep
Guo D, Chen J, Wang H, Wei Z, Gao Q.
europepmc   +1 more source

Reasonable drilling angle and technology application for pre-cracking thick-hard roofs before driving gob-side roadways in ultra-thick seams. [PDF]

Sci Rep
He F, Wu Y, Wang D, Zhang J, Tao K.
europepmc   +1 more source

Characterization and dynamic evolution law of transverse fractures in the upper protected coal seam. [PDF]

Sci Rep
Zhan K, Wang M, Ma Y.
europepmc   +1 more source

Influence of roof cutting depth on stability of gob side entry in thick coal seams with a bulky limestone roof. [PDF]

Sci Rep
Chai Y, Wang M, Meng L, Wang C, Liang Z, Yang Y, Liu J.   +6 more
europepmc   +1 more source

Research on the mechanism and technology of close range coal seam support and roof cutting collaborative lane control. [PDF]

Sci Rep
Huang W, Liu Y, Zhao T, Sui L, Chu X, Zhu L.   +5 more
europepmc   +1 more source

Research and engineering practice on mechanical reaming for pressure relief and rock burst prevention technology in hard coal seam roadways. [PDF]

Sci Rep
Xie JH, Ding ZW, Zhu GA, Hao XQ, Jia JD.
europepmc   +1 more source

Research on the pressure relief mechanism and application of roof dense drilling of gob side entry retaining by roadway-side filling. [PDF]

Sci Rep
Tan Z, Wang Y, Gao L, Li D, Kou G, Hu C, Wang S, Huang Y.   +7 more
europepmc   +1 more source

Study on Regional Evolution Characteristics of Coal Spontaneous Combustion and Gas Coupling Disaster in Composite Goaf with No-Pillar Mining. [PDF]

ACS Omega
Kong D, Han W, Guo J, Xue K, Zhang J, Zheng Y.   +5 more
europepmc   +1 more source

Air leakage characteristics and comprehensive prevention of goaf side retained roadway of fully mechanized mining faces in Qincheng coal mine. [PDF]

Sci Rep
Luo X, Chen L, Wu B, Sun M, Yang T, Yu H.   +5 more
europepmc   +1 more source