Measurement of overburden failure zones in close-multiple coal seams mining

Title
Measurement of overburden failure zones in close-multiple coal seams mining
Authors
Keywords
Overburden measurement, GPR survey, Close multiple coal seam, Secondary roof break, Periodic triangular cave, Overburden caving
Publisher
Elsevier BV
Online
2020-12-25
DOI
10.1016/j.ijmst.2020.12.009

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