Zobrazeno 1 - 2
of 2
pro vyhledávání: '"floor grouting reinforcement"'
Publikováno v:
Meikuang Anquan, Vol 54, Iss 5, Pp 63-71 (2023)
In order to study the water inrushing mechanism of floor reinforcement working face and the grouting effect in water abundant mining area of North China Coalfield, by means of mechanical formula derivation, hydro-geological characteristics analysis,
Externí odkaz:
https://doaj.org/article/b5f8cd7c7cb440a2934498262abbf4b9
Publikováno v:
Meikuang Anquan, Vol 53, Iss 11, Pp 200-206 (2022)
In view of the problem of water inrush from coal seam floor in China, the application effect of water inrush prevention measures of coal seam floor in recent years, such as the research on the mechanism of water inrush from coal seam floor under vari
Externí odkaz:
https://doaj.org/article/f44a141ff9fe4109826f6584726dc431