Calculation of the minimum width of pillars during combine mining of potash seams
Abstract
Let n interpass healds of width a be left in the chamber of width L to support the roof. Let's find the minimum value of a ...
Область исследования:
(Archived) Without section
Funding:
None
Similar articles
Calculation of the main parameters of the combined method of unstrengthening of hard-to-collapse rocks
1980 V. G. Bezkaravayny, G. I. Morozov
Calculation of bearing pressure during longwall face approach to the panel drift.
1980 A. A. Borisov, N. N. Kaidalov, V. G. Labazin
Investigation of the relationship between electrical properties of rocks and their stress state
1980 E. A. Markina, I. A. Livshits