Zobrazeno 1 - 2
of 2
pro vyhledávání: '"micro-seismic system"'
Publikováno v:
Meikuang Anquan, Vol 51, Iss 9, Pp 144-147 (2020)
In view of the disasters of strong rock pressure in the process of deep mining, high gas and hard roof coal seam in a mine of Jincheng Coal Group, the feasibility of early warning of strong rock pressure is explored by using KJ768 micro-seismic monit
Externí odkaz:
https://doaj.org/article/20e77bcdb78d4e46a1e68ef249cc21e1
Publikováno v:
Meikuang Anquan, Vol 51, Iss 3, Pp 111-114 (2020)
According to the dangerous area of water inrush in 1612A working face of Zhangji Coal Mine and the characteristics of mining construction, the methods is proposed that the bolt is used as a signal medium for conducting rock mass fracture, and the mic
Externí odkaz:
https://doaj.org/article/c98c16e66e9441fd995838ad6c2b5eac