Study on Multi-Layer Filling Treatment of Extra-Large Goaf and Its Underground Application
At present, the many domestic, large mined-out areas caused by single filling ability of the slurry flow state, thin layer flow and hardening after filling in multilayer structure generally need to finish filling for many times, because after a filling experience shows that filling body in the last...
Main Authors: | , , , , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2022-08-01
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Series: | Materials |
Subjects: | |
Online Access: | https://www.mdpi.com/1996-1944/15/16/5680 |