Results 81 to 90 of about 1,698,756 (161)

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

Applicability of the Longwall Top Coal Caving in Australian Underground Coal Mines

Applicability of the Longwall Top Coal Caving in Australian Underground Coal Mines. The proposed project aims to develop an improved understanding of the geotechnical caving characteristics of the Longwall Top Coal Caving method and it's applicability in

core  

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

Optimization of drawing parameters based on top-coal flow law in thick-seam caving mining. [PDF]

Sci Rep
Wu S, Xu X, Wang J, Kong D, Wu G, Liu Q, Zuo Y.   +6 more
europepmc   +1 more source

Research on the integrated technology of bearing structure reconstruction and support control in high risk area of top coal roadway in thick coal seam. [PDF]

Sci Rep
Xiaokang S, Bacha S, Heng Z, Xiaojing L, Xiaozhen C, Kai W, Hua Z.   +6 more
europepmc   +1 more source

Investigation on the water-conducting zone evolution in weak overburden due to repeated mining of thick coal seams. [PDF]

Sci Rep
Yang Z, Niu X, Feng Y, Li D, Xu H, Jin S.   +5 more
europepmc   +1 more source

Evolution of overlying strata and disaster-causing mechanisms under inclined thin coal seam group mining: insights from numerical simulations. [PDF]

Sci Rep
Li Y, Zhang F.
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

Surface pseudo-3D time-lapse ERT reveals the spatiotemporal evolution mechanism of lagged water inrush in ultra-thick coal seams. [PDF]

Sci Rep
Li Y, Cheng J, Wang Y, Lu J, Wu Z, Zhao J, Fang Z, Liu Y, Dong R.   +8 more
europepmc   +1 more source

Evolution and dip effect of boundary spatial morphology of top-coal limit equilibrium zone in steeply dipping coal seam. [PDF]

Sci Rep
Wu X, Chi X, Lang D, Wu Y, Zhang Z, Chen S.   +5 more
europepmc   +1 more source