Overburden movement characteristics of top-coal caving mining in multi-seam areas

Volume: 51, Issue: 2, Pages: 276 - 286
Published: Mar 19, 2018
Abstract
The fully mechanized top-coal caving mining method was used to mine the 15 m thick No. 3–5 seam at a depth of 450 m in Tongxin mine, located in the Datong area, China. The seam was overlain with strong strata that are hard to cave and four partially mined coal seams. Excessive mine roadway closure and severe ground conditions at the longwall face and the tailgate were induced by periodic weighting and remnant coal pillars left in the four mined...
Paper Details
Title
Overburden movement characteristics of top-coal caving mining in multi-seam areas
Published Date
Mar 19, 2018
Volume
51
Issue
2
Pages
276 - 286
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