Results 141 to 150 of about 5,156 (170)

Study on the design of section coal pillars and support technology for roadways along gob in inclined thick coal seams. [PDF]

Sci Rep
Jiang B, Ren X, Li W, Gu S, Guo Z, Zhang H.   +5 more
europepmc   +1 more source

Study on the mining stress field distribution law beneath isolated coal pillar in close coal seam and reasonable location of the roadway. [PDF]

Sci Rep
Shu S, Wang W, Liu C, Yuan C, Ma Y, Tian X, Du R, Ge S.   +7 more
europepmc   +1 more source

Numerical Investigation of Gas Migration and Spatiotemporal Evolution in Y‑Type Ventilation Working Faces with Gob-Side Entry Retaining Using COMSOL. [PDF]

ACS Omega
Zhai Y, Yang Y, Wu L, Yang W, Liu S, Li L, Lei J.   +6 more
europepmc   +1 more source

Design and application study of the key technical parameters of dense drilling for pressure relief in coal mine roofs: a case study. [PDF]

Sci Rep
Ma J, Wang H, Li X, Dong G, Yuan Y.
europepmc   +1 more source

Multi-method synergistic determination of the development height of the water-conducting fractured zone in the 82,209 working face. [PDF]

Sci Rep
Liu Z, Li H.
europepmc   +1 more source

Multi-criteria decision analysis of gas enrichment risk and land degradation in goaf areas. [PDF]

Sci Rep
Wang L, Li Y, Lei Y.
europepmc   +1 more source

Study on the rational position of externally offset mining roadway in the lower split during layered mining of a thick coal seam. [PDF]

Sci Rep
Chen X, Liu Y.
europepmc   +1 more source

Stress and microseismic activity in hard roof thick coal seams under varying mining rates. [PDF]

Sci Rep
Gu ST, Guo ZY, Jiang BY, Li WS, Chen HX, Zhang K.   +5 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

Optimizing roadway location and cross section under superposition of residual coal pillars and adjacent goafs in close distance coal seams. [PDF]

Sci Rep
Ren Y, Li J, Li Y, Wu X, Qin H.
europepmc   +1 more source