טוען...
Simulation of recovery of upper remnant coal pillar while mining the ultra-close lower panel using longwall top coal caving
With the depletion of easily minable coal seams, less favorable reserves under adverse conditions have to be mined out to meet the market demand. Due to some historical reasons, large amount of remnant coal was left unrecovered. One such case history occurred with the remnant rectangular stripe coal...
שמור ב:
| Main Authors: | , |
|---|---|
| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
Elsevier
2020-01-01
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| סדרה: | International Journal of Mining Science and Technology |
| גישה מקוונת: | http://www.sciencedirect.com/science/article/pii/S2095268619306172 |
| תגים: |
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