Research of the Backfill Body Compaction Ratio Based on Upward Backfill Safety Mining of the Close-Distance Coal Seam Group
During upward backfill mining of the close-distance coal seam group, the reasonable design of the backfill body compaction ratio (BBCR) of lower coal seam goaf plays a key role in controlling overburden strata movement and deformation. In this paper, the feasibility discrimination method of upward c...
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Main Authors: | , , , , , |
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Format: | Article |
Language: | English |
Published: |
Wiley
2022-01-01
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Series: | Geofluids |
Online Access: | http://dx.doi.org/10.1155/2022/8418218 |
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