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
Structure and deformation measurements of shallow overburden during top coal caving longwall mining
Sign Up to like & getrecommendations! Published in 2017 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2017.06.005
Abstract: Abstract Mining induced pressures are strong and overburden failure areas are large in top coal caving longwall mining, which constrains high production and safety mining. By employing the combination of the full view borehole photography… read more here.
Keywords: mining; top coal; caving longwall; longwall mining ... See more keywords
Mechanical analysis of the structure of longwall mining hydraulic support
Sign Up to like & getrecommendations! Published in 2020 at "Science Progress"
DOI: 10.1177/0036850420936479
Abstract: Existing studies of the structural strength of longwall mining hydraulic support are mainly focused on the force acting on individual supports instead of the general mechanical characteristics of the support group in a fully mechanized… read more here.
Keywords: longwall mining; mining hydraulic; support group; hydraulic support ... See more keywords