Zobrazeno 1 - 10
of 557
pro vyhledávání: '"CAVING mining"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract To improve ore recovery ratio and the quality of medium-length hole blasting in non-pillar sublevel caving method, this study first investigated the effects of brow line failure on rock movement and ore recovery indexes based on rock blastin
Externí odkaz:
https://doaj.org/article/e4b24fa3b9c04d81bccec6b893b61351
Autor:
Milic, V.1, Radovanovic, M.1 mlradovanovic@tfbor.bg.ac.rs
Publikováno v:
Journal of Mining Science. Jan2021, Vol. 57 Issue 1, p76-85. 10p.
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 9, Pp 20-27 (2024)
This paper analyzes the current status and existing issues in the control technology of surrounding rock and intelligent top coal caving technology for thick and ultra-thick coal seams in fully mechanized caving faces. The study focuses on five aspec
Externí odkaz:
https://doaj.org/article/cdabbcdf4831421183fe2275ba57331b
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract In the process of fully mechanized top-coal caving mining, the top-coal is affected by mining-induced stress, and the stress varies along the strike direction of working face, so the boundary position of its entering the limit equilibrium st
Externí odkaz:
https://doaj.org/article/d6777979fec84d41b5b6d0c5fc063685
Mining-Induced Damage Characteristics of Floors during Fully Mechanized Caving Mining: A Case Study.
Publikováno v:
Advances in Materials Science & Engineering. 10/24/2018, p1-11. 11p.
Publikováno v:
Mining Technology (2572-6668). Sep2018, Vol. 127 Issue 3, p131-145. 15p.
Autor:
MADEAR, GELU1, MADEAR, CAMELIA2
Publikováno v:
Annals of the University of Petrosani Mining Engineering. 2018, Vol. 19, p53-60. 8p.
Autor:
BRODNY, Jarosław1 jaroslaw.brodny@polsl.pl, TUTAK, Magdalena2 magdalena.tutak@polsl.pl, JOHN, Antoni3 antoni.john@polsl.pl
Publikováno v:
Mechanika. 2018, Vol. 24 Issue 1, p43-49. 7p. 3 Diagrams, 4 Charts, 7 Graphs.
Autor:
Xin Bai, Pengrui Zhu
Publikováno v:
Results in Engineering, Vol 22, Iss , Pp 102048- (2024)
In the process of caving mining, the overlying strata often fall down to form a concealed goaf. The goaf of caving method is characterized by strong concealment, complex shape and unstable roof. The mathematical model of energy dissipation structure
Externí odkaz:
https://doaj.org/article/7ead870e6d2f4e59b296209cebdffa86
Publikováno v:
Proceedings of the International Multidisciplinary Scientific GeoConference SGEM. 2016, Vol. 2, p775-789. 15p.