Shaft failure characteristics and the control effects of backfill body compression ratio at ultra-contiguous coal seams mining
Sign Up to like & getrecommendations! Published in 2018 at "Environmental Earth Sciences"
DOI: 10.1007/s12665-018-7641-x
Abstract: Solid backfill coal mining is a mainstream method in green coal mining, which has gradually become a key technology to control shaft deformation when recovering industrial square pillars during mining of ultra-contiguous coal seams. On… read more here.
Keywords: backfill body; coal seams; deformation; coal ... See more keywords
Experimental study on thermal and mechanical properties of cemented paste backfill with phase change material
Sign Up to like & getrecommendations! Published in 2020 at "Journal of materials research and technology"
DOI: 10.1016/j.jmrt.2019.12.047
Abstract: Abstract The structural safety and thermal properties of cemented paste backfill (CPB) are the key factors to realize geothermal exploitation by using CPB. In this paper, taking the gold tailing-based consolidated backfill body as research… read more here.
Keywords: backfill body; mechanical properties; compressive strength; heat ... See more keywords