Results 141 to 150 of about 7,043 (214)

Patterns and security technologies for co-extraction of coal and gas in deep mines without entry pillars [PDF]

, 2015

core   +1 more source

Study on coal drawing parameters of deeply buried hard coal seams based on PFC. [PDF]

Sci Rep
Xinlei L, Ziyuan R, Zhengzheng C, Hao R.
europepmc   +1 more source

Fracture propagation and water seepage behavior in overburden strata at Tunbao coal mine. [PDF]

Sci Rep
Dong J, Liu H, Sun W, Liu X, Tao Z.
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

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

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

Overburden structure fracture evolution and ground pressure behavior under oblique residual coal pillars in thick seam mining. [PDF]

Sci Rep
Wang H, Tian C, Liu Y, Li Y, Lu M, Jiao J, Bai J, Qiao Z.   +7 more
europepmc   +1 more source

Cavability assessment in longwall top coal caving technology

, 2009
openaire   +2 more sources

Investigation of surface subsidence behaviour in multi-slice longwall mining using numerical simulations in Barapukuria coal mine, Bangladesh. [PDF]

Sci Rep
Zhang C, Arif A, Wu J, Habibullah M, Mohammadamini K, Sajib MH, Manohar B.   +6 more
europepmc   +1 more source

Overburden movement laws in thin bedrock workfaces under thick backfilled loose bodies. [PDF]

Sci Rep
Zheng W, Wei C, Guo S, Zhuang Z, Shi C.
europepmc   +1 more source