Geophysical Evaluation of Effectiveness of Blasting for Roof Caving During Longwall Mining of Coal Seam
Sign Up to like & getrecommendations! Published in 2019 at "Pure and Applied Geophysics"
DOI: 10.1007/s00024-019-02321-1
Abstract: Deep longwall mining of coal seams is made in the Upper Silesian Coal Basin (USCB) under complicated and mostly unfavourable geological and mining conditions. Usually, it is correlated with rockburst hazard mostly at a high… read more here.
Keywords: mining coal; longwall face; longwall mining; roof caving ... See more keywords
Quantifying relationships between subsidence and longwall face advance using DInSAR
Sign Up to like & getrecommendations! Published in 2021 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2020.12.021
Abstract: Abstract Surface subsidence that results from longwall mining can be large magnitude and can affect significant areas. Conventional methods for subsidence monitoring include leveling, global positioning system (GPS), and photogrammetric surveys. Remote sensing techniques including,… read more here.
Keywords: longwall face; subsidence; subsidence longwall; face advance ... See more keywords
CFD investigation on diffusing dynamics of respirable dust coupled with multiple sources on a longwall face: A case study from meso-scale
Sign Up to like & getrecommendations! Published in 2019 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.11.109
Abstract: Abstract In order to investigate the diffusing pollution patterns of respirable dust coupled with multiple sources in the working regions of Longwall Face, computational fluid dynamics (CFD) approach was adopted based on k–e two-equation turbulent… read more here.
Keywords: longwall face; dust coupled; dust; coupled multiple ... See more keywords
Geomechanical Substantiation of Technology Parameters for Coal Mining in Interaction Zone of Longwall Face and Gate Roadway
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mining Science"
DOI: 10.1134/s1062739118065047
Abstract: The results of numerical modeling aimed to evaluate geomechanical behavior of rocks in the vicinity of a fully mechanized longwall face and a gate roadway during gradual narrowing of a coal pillar between them are… read more here.
Keywords: longwall face; gate roadway; face gate; coal ... See more keywords
Seismoacoustic Monitoring of a Longwall Face Using Distributed Acoustic Sensing
Sign Up to like & getrecommendations! Published in 2023 at "Bulletin of the Seismological Society of America"
DOI: 10.1785/0120220219
Abstract: Violent, dynamic failures of rockmasses in underground mines pose significant hazards to workers and operations. Over the past several decades, hardrock mines have widely adopted seismic monitoring to help address such risks. However, coal mines,… read more here.
Keywords: longwall face; acoustic sensing; distributed acoustic; monitoring ... See more keywords