Results 21 to 30 of about 16,115 (235)

Improving the process of coal extraction based on the parameter optimization of mining equipment [PDF]

open access: yes, 2018
The aim of this paper is to develop and validate methods of choosing the means of the mining face mechanization. This paper analyses existing methods of optimizing processes in mining.
Hrinov, Volodymyr, Khorolskyi, Andrii
core   +1 more source

Numerical methods of geomechanics tasks solution during coal deposits’ development [PDF]

open access: yes, 2016
Purpose. Generalization of numerical modeling of geomechanical processes in the vicinity of mine workings by finite elements method and making recommendations for substantiation of suitable construction and behavior of rock massif physical model ...
Bondarenko, V   +4 more
core   +2 more sources

Cooperative control technology of shear and hydraulic support on fully-mechanized coal mining face

open access: yesGong-kuang zidonghua, 2020
Aiming at low cooperative control efficiency of shearer and hydraulic support on fully-mechanized coal mining face, a cooperative control technology of shearer and hydraulic support on fully-mechanized coal mining face was proposed based on technologies ...
LIU Qing   +3 more
doaj   +1 more source

Analysis of operation parameters of partial backfilling in the context of selective coal mining [PDF]

open access: yes, 2019
Purpose is to determine factors of effect of mechanical parameters and geometry of packs, constructed using the undercut rocks in the process of selective coal mining, on the state of geomechanical system within a mine working-stope junction during a ...
Dereviahina, N, Malanchuk, L, Sotskov, V
core   +1 more source

Research on application of fast roaming and Mesh network technology of WiFi communication on fully mechanized coal mining face

open access: yesGong-kuang zidonghua, 2019
At present, there are problems about few application research of WiFi communication in the specific environment of fully mechanized coal mining face, propagation characteristics of WiFi signal on the fully mechanized coal mining face were analyzed ...
GAO Siwei, LI Se
doaj   +1 more source

Research on key technology of intelligent fully mechanized caving face construction in Baode Coal Mine

open access: yesGong-kuang zidonghua, 2023
The current research achievements in the construction of intelligent fully mechanized caving face lack systematic implementation case for a specific fully mechanized caving face.
WU Xicang   +3 more
doaj   +1 more source

Grid partition method of fully-mechanized coal mining face area and its applicatio

open access: yesGong-kuang zidonghua, 2018
In order to meet fine management requirements for fully-mechanized coal mining face production, a grid partition method of fully-mechanized coal mining face area was put forward.
QU Shijia
doaj   +1 more source

Prediction of gas emission rate on fully-mechanized caving face with layered mining of thick coal seam

open access: yesGong-kuang zidonghua, 2020
Due to the difference between fully-mechanized caving face and single stoping process face, there would be a big error in predicting gas emission rate on fully mechanized caving face by use of AQ 1018-2006 The Predicted Method of Mine Gas Emission Rate ...
WANG Xiaopeng
doaj   +1 more source

Research on Dust Source Traceability Based on Dust Migration Law in Working Area of Large Mining Height Fully-mechanized Face [PDF]

open access: yesE3S Web of Conferences, 2022
The dust control basis of fully mechanized mining face is clear dust source characteristics. In view of the problem of unclear dust source and unknown distribution characteristics in the working area of 7.8 m large fully mechanized mining face, the fully
Li Zhi, Ma Wei
doaj   +1 more source

Analysis of the factors influencing the level of professional health and the biological age of miners during underground mining of coal seams [PDF]

open access: yes, 2018
Purpose. Setting of the work environment of workers at mining enterprises during thin coal seams extraction influence on the character and the rate of their aging by determination of the biological age and estimation of the occupational diseases ...
Cheberiachko, S   +3 more
core   +1 more source

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