Results 171 to 180 of about 7,653 (230)

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

Study on the influence of overlying coal seam mining on the deformation of floor roadway surrounding rock. [PDF]

Sci Rep
Dou Z, Xu S, Han R.
europepmc   +1 more source

Air leakage characteristics and comprehensive prevention of goaf side retained roadway of fully mechanized mining faces in Qincheng coal mine. [PDF]

Sci Rep
Luo X, Chen L, Wu B, Sun M, Yang T, Yu H.   +5 more
europepmc   +1 more source

Research on stability analysis and control technology of roadways in the underlying isolated island working face. [PDF]

Sci Rep
Gao X, Wang Y, Li YM.
europepmc   +1 more source

Study on the Failure Law of Overlying Strata in Thick Coal Seam Mining under the Condition of Shallow Burial Depth, Thick Loose Layers, and Thin Bedrock. [PDF]

ACS Omega
Ren K, Li G, Zhang J, Zong B, Yan G, Liu H, Guo G, Wang B, Wang Y.   +8 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

Research on surrounding rock control technology of roof cutting and pressure relieving for roadside filling in gob-side entry retaining of large mining height panel. [PDF]

Sci Rep
Weiyong L, Shengjun L, Yaohui S, Tao G, Wansheng M, Xiaowu Z.   +5 more
europepmc   +1 more source

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A theoretical goaf resistance model based on gas production analysis in goaf gas drainage

International Journal of Coal Geology, 2022
DATA AVAILABILITY : Data will be made available on request. ; Over the past few years, the Australian coal mines heavily relied on drilling vertical goafholes to capture coal mine methane and monitor methane levels, which is named goaf gas drainage. The suction pressure applied on the surface goafholes may change goaf pressure distribution and goaf gas
Wang, Yuehan, Si, Guangyao, Xiang, Zizhuo, Oh, Joung, Belle, Bharath K., Webb, David   +5 more
exaly   +3 more sources

Goaf filling with industrial wastes

Journal of Mining Science, 2004
Characteristics are presented for industrial wastes utilized for production of hardening stowing in underground mines in the Uzbekistan Republic. The efficiency of their use as a substitute of cement is proved.
Yu. A. Gaziev, Kh. A. Rizaev
openaire   +1 more source