2024
DOI: 10.3390/min14030264
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Study on the Mining Effect and Optimal Design of Longwall Full Mining with Paste Partial Filling

Yongqiang Zhou,
Changxiang Wang,
Changlong Liao
et al.

Abstract: Various methods of longwall full mining with partial filling have been extensively researched to satisfy the specific mining needs of pressurized-coal and residual-coal resources. This study introduces three longwall partial-filling-mining techniques: room–pillar filling mining, parallel-strip filling mining, and vertical-strip filling mining. Numerical simulations are employed to evaluate the efficacy of these methods. The findings indicate that vertical-strip filling mining results in minimal surface deforma… Show more

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