Results 91 to 100 of about 24,399 (150)

Composition characteristics of soft coal seams with large inclination angles and mining heights and the deformation of roadway surrounding rocks. [PDF]

Sci Rep
Sun G, Liu L, Ao Y, Hu Y, Wang S, Kang X, Liu Y.   +6 more
europepmc   +1 more source

Theoretical study on the pressure relief range of the upper protected coal seam in protective layer mining. [PDF]

Sci Rep
Zhan K, Zhang B, Wang M.
europepmc   +1 more source

Simulation of deformation characteristics of irregular rock specimens with different mining face lengths. [PDF]

Sci Rep
Zhang Y, Liu X, Wei S, Lin H, Xie J, Ni X.   +5 more
europepmc   +1 more source

Study on pressure-relief effect and protection scope of long-distance lower protective seam mining based on similar physical simulation and PFC^3D. [PDF]

Sci Rep
Zhan K, Liu Z, Wei D, Yao W, Zhou W, Zhu R, Yuan Y, Yang Y, Zhang D, Li B.   +9 more
europepmc   +1 more source

Water hazard prevention technology for confined mining beneath dual extremely thin aquicludes in roof and floor. [PDF]

Sci Rep
Wang G, Yin S, Cao M, Zhong C, Hu S, Yang C, Wu M.   +6 more
europepmc   +1 more source

Mechanism and control strategies for asymmetric floor heave in extra-thick coal seam roadways under high stress. [PDF]

Sci Rep
Zhang J, Sun J, Wang B, Yang T, He Y, Gao S, Qin G, Zhang Y.   +7 more
europepmc   +1 more source

Predicting water-conducting fracture zone height in three-soft coal seams using a BOA-MLP model. [PDF]

Sci Rep
Tang Z, Tong H, Zhang D, Fan G, Ren C, Sun Y, Gao X, Zhang Y, Wu Z.   +8 more
europepmc   +1 more source

Study on reasonable position of mining roadway under repeated mining overburden structure in shallow buried close distance coal seam: A case study. [PDF]

Sci Rep
Miao K, Tu S, Tu H, Tang L, Zhao H, Guo B, Lv K, Ma Y.   +7 more
europepmc   +1 more source

Mechanism of reverse deformation increase in the virgin coal rib compared to the pillar rib of the gob-side entry in an extra-thick coal seam. [PDF]

Sci Rep
He W, Chen D, Zhu H.
europepmc   +1 more source

Study on the failure law of overlying rock under coal seam in close distance coal seam and feasibility discrimination of upward mining. [PDF]

Sci Rep
Miao Y.
europepmc   +1 more source