Results 121 to 130 of about 3,856,015 (196)

Optimal sublevel height and drawing process for horizontal sectional combined mining in steeply inclined, and closely spaced coal seam groups. [PDF]

Sci Rep
Wang H, Bai J, Jiao J, Wang L, Wang L, Jiang B.   +5 more
europepmc   +1 more source

Characteristics of overburden failure and evolution of fractures in fully mechanized top coal mining face. [PDF]

Sci Rep
Wang X, Liu F.
europepmc   +1 more source

Acid mine drainage control in mining areas: identification of groundwater recharge pathways and source reduction strategies. [PDF]

Sci Rep
Zhang C, Zhang F, Mu W, Li H.
europepmc   +1 more source

Roadway roof shear slip movement mechanism induced by the strong dynamic pressure while ultra-thick coal seam mining. [PDF]

Sci Rep
Liu C, Wang F, Zuo Y, Wang C, Gao C, Lu Y, Sun W, Hao W, Tang T, Zhang Y.   +9 more
europepmc   +1 more source

Study on crack propagation law of overlying strata in the process of small coal pillar mining in inclined extra-thick coal seam. [PDF]

Sci Rep
Lu W, Zhao P, Jin Q, Jin H, Li S, Bai J.
europepmc   +1 more source

Failure mechanism of surrounding rock and synergistic control of strong support-strong pressure relief for lower-seam roadways in close-distance coal seam groups. [PDF]

Sci Rep
Yu S, Suo Y, Cai C, Feng J, Huo X, Hu J, Ren J.   +6 more
europepmc   +1 more source

Research on the active sealing and promoting extraction technology of high-gas mine working face return air corner gas. [PDF]

Sci Rep
Sun B, Gong X, Fan X, Cheng X, Yang P, Xiao L, Cheng C, Ma X.   +7 more
europepmc   +1 more source

Deviatoric stress evolution and time step control technology of retreat roadway surrounding rock in fully mechanized working face. [PDF]

Sci Rep
Wang Z, Li T, Lin L, An X, Zhao H, Geng X, He J.   +6 more
europepmc   +1 more source

Determination method of rational position for working face entries in coordinated mining of section coal pillars and lower sub-layer. [PDF]

Sci Rep
Li X, Huan H, Lin H, Li Z, Du F, Cao Z, Fan X, Ren H.   +7 more
europepmc   +1 more source

Structural model of hard overburden shell in thick coal seam and its application. [PDF]

Sci Rep
Fu X, Zeng L, Rong H, Zhang H, Liu T, Song J.   +5 more
europepmc   +1 more source