Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Jiachi Ren"'
Publikováno v:
Geofluids, Vol 2022 (2022)
In order to study the coupling law of mining and gas migration in close coal seams in fault structure area, taking the coal mining face in Guizhou as the research background, the development of mining fracture field and gas migration law of No. 5 coa
Externí odkaz:
https://doaj.org/article/df5c040e363b44f3b97e24aab3fafc70
Publikováno v:
Geofluids, Vol 2022 (2022)
In order to improve the accuracy of coal and gas outburst risk prediction for an excavation face, an outburst equilibrium equation for the excavation face was established based on the Mohr–Coulomb criterion to predict the coal and gas outburst risk
Externí odkaz:
https://doaj.org/article/7bb232bd2e7d4aa2ac5257af6050d398
Publikováno v:
Geofluids, Vol 2022 (2022)
The existence of fault structures often seriously endangers the safe production of coal mines. In order to ensure the safe and efficient production of close coal seam group mines under the influence of faults, it is of wide engineering significance t
Externí odkaz:
https://doaj.org/article/3f6c29cb48124fa6a255271f0446b4fd
Publikováno v:
Sustainability. 14:9745
With the continuous improvement of mining technology and equipment in China’s coal mines, the number of working faces with high-intensity mining is increasing, and the area of surface damage continues to increase compared with previous years. In or