- 1. Calculation of the overburden ratio by the method of financial and mathematical averaged costs
- (Content №5 2021)
- ... of brown coal deposits, including the limiting overburden ratio, when involving coal clay into the development together with brown coal in the composition of the coal mass. Methodology. To calculate the ...
- Created on 29 October 2021
- 2. Approbation of the technology of efficient application of excavator-automobile com-plexes in the deep open mines
- (Contens №4 2020)
- ... greatest difficulties arise in the first three years – 2020–2022. The current overburden ratio at mining of 15 million tons of ore will vary from 8.9 to 8.7 tons/ton. However, taking into account the existing ...
- Created on 30 August 2020
- 3. Research of the influence mechanism of cutoff grade of iron in ore on the overburden ratio
- (Mining)
- ... The influence mechanism of the cutoff grade of iron in ore on the current overburden ratio for steeply dipping iron deposits at stage of operation of open cast is defined. Account taken of this ...
- Created on 22 November 2012