Results 111 to 120 of about 9,068 (173)

SELECTION OF THICK COAL SEAM MINING METHOD USING ANALYTIC HIERARCHY PROCESS

ITEGAM-JETIA, 2019
In thick coal seams, it is very important to select the correct mining method. Choosing a wrong method may be very costly to the company. All the factors affecting the mining method and the relations in between should be considered.
Mustafa Emre Yetkin, Muharrem Kemal Özfırat   +1 more
doaj  

Characterization of airborne float coal dust emitted during continuous mining, longwall mining and belt transport. [PDF]

Min Eng, 2017
Shahan MR, Seaman CE, Beck TW, Colinet JF, Mischler SE.   +4 more
europepmc   +1 more source

Fossil Fuels: Coal [PDF]

This lesson provides an introduction to the use of coal as an energy source. Topics include the history of coal usage, applications of coal as an energy source, and major suppliers of coal (the United States).
John Pratte
core  

Productivity Trends in the Coal Mining Industry in Canada [PDF]

The purpose of this report is to uncover the factors behind what has been a very strong productivity performance from the coal mining industry in Canada over the past four decades.
Jeremy Smith
core  

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

Numerical modeling of coupled stress-fracture evolution in water-resisting key strata during longwall mining. [PDF]

Sci Rep
Gao H, Ji L, Huang Y, Li J.
europepmc   +1 more source

Publisher Correction: An open dataset for intelligent recognition and classification of abnormal condition in longwall mining. [PDF]

Sci Data
Yang W, Zhang X, Ma B, Wang Y, Wu Y, Yan J, Liu Y, Zhang C, Wan J, Wang Y, Huang M, Li Y, Zhao D.   +12 more
europepmc   +1 more source

Examining the optimum panel pillar dimension in longwall mining considering stress distribution. [PDF]

Sci Rep
Yetkin ME, Ozfirat MK, Onargan T.
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

Influence of roof cutting depth on stability of gob side entry in thick coal seams with a bulky limestone roof. [PDF]

Sci Rep
Chai Y, Wang M, Meng L, Wang C, Liang Z, Yang Y, Liu J.   +6 more
europepmc   +1 more source