Analysis of Overlying Strata Movement and Behaviors in Caving and Solid Backfilling Mixed Coal Mining
Based on techniques of close upper protective coal-rock layer mining, relieved gas extraction, and underground gangue washing-discharging-backfilling, this paper initiates the concept of mixed fully-mechanized coal mining, which combines a solid backfilling method and a caving method (hereinafter re...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2017-07-01
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Series: | Energies |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1073/10/7/1057 |