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Research into the effect of gallery size on blast pull in underground coal mines
(National Mining University, 2018-06-30)
Purpose. To investigate the effect of gallery size on blast pull in underground colliery by drilling and blasting techniques.
Methods. The study conducted in three different underground collieries namely A, B and C located ...
Intensification of technological processes in drilling and blasting operations during open-cut mining in Kyzylkum region
(National Mining University, 2018-03-30)
Purpose. It is found that for long term standing, the pit bench profile is close to the boundary of the disturbed zone. Therefore, long stability of the bench can be estimated in respect to the size of the disturbed area ...