Influence of Key Strata on the Gas Downward Leakage Law in Dual-System of Coal Seam

In Datong mining area, CO and other harmful gases were discharged from the gob in the Jurassic overburden strata to the panel of Carboniferous coal seam. To this end, panel 8309 of Tongxin coal mine in Datong mining area was taken as the engineering background; the change law of CO concentration in...

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Bibliographic Details
Main Authors: Feng Du, Kun Jiao, Zhanyuan Ma
Format: Article
Language:English
Published: Hindawi-Wiley 2020-01-01
Series:Geofluids
Online Access:http://dx.doi.org/10.1155/2020/8897260