Zobrazeno 1 - 10
of 65
pro vyhledávání: '"V N Fryanov"'
Publikováno v:
Journal of Mining Science. 57:361-369
The authors propose a dedicated mobile roof support for underground coal mining. Joint deformation of roof rocks and roof support is analyzed using the finite element method. The shapes and sizes of failure zones and the influence of the support on c
Publikováno v:
Фундаментальные и прикладные вопросы горных наук. 8:274-281
Publikováno v:
Физико-технические проблемы разработки полезных ископаемых. :3-12
Publikováno v:
Journal of Mining Science. 56:395-403
The authors perform numerical modeling for the comprehensive stress-strain analysis of roof rocks above powered roof support units in the longwall top coal caving technology. Passive control of top coal prefracture fails to maintain efficient disinte
Publikováno v:
Фундаментальные и прикладные вопросы горных наук. 7:138-143
Publikováno v:
Gornyi Zhurnal. :23-26
Publikováno v:
Journal of Mining Science. 55:247-256
The geomechanical model of the powered roof support-top coal-roof rock system is developed. For investigation of disintegration processes in top coal of thick seam, numerical modeling with finite element discretization of a study domain is carried ou
Publikováno v:
Journal of Mining Science. 54:899-906
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 presented. The variants of longwall
Autor:
V. N. Fryanov, L. D. Pavlova
Publikováno v:
Gornyi Zhurnal. :48-52
Publikováno v:
Journal of Mining Science. 53:1001-1008
Stress state of rock mass during fully mechanized longwalling in dislocation zone is analyzed. In focus is the variant of crossing the dislocation zone with disassembling the fully mechanized longwall system and its re-assembling in a new room. Stres