Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Qingnan Lou"'
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 10, Pp 3597-3618 (2023)
Abstract The gob‐side entry‐retaining by roof cutting and pressure relief (GERRC) method is an advanced no‐pillar mining method that can significantly improve coal recovery and reduce roadway accidents. However, according to case studies, there
Externí odkaz:
https://doaj.org/article/67adfc8ce9a949ffb0997cb3db687b68
Publikováno v:
Frontiers in Ecology and Evolution, Vol 11 (2023)
IntroductionSoft rock mining roadways are severely deformed and damaged during coal mining. Blindly increasing the support strength not only has little effect but also wastes material resources.MethodsMaintaining the original support parameters, mode
Externí odkaz:
https://doaj.org/article/a6db3f6151e0479db7c119e5b076a948
Publikováno v:
Geofluids, Vol 2021 (2021)
Roof control is one of the eternal themes of mine pressure theory, and it is also a key step of roadway formed by roof cutting. Based on the analysis of abutment pressure distribution, the viewpoint of controlling roadway roof by roof cutting distanc
Externí odkaz:
https://doaj.org/article/18cb565063714f50a59e4cabdfa8e466