Research on automatic control technology of large mining height hydraulic support
Gong-kuang zidonghua, 2018 In view of problems of high roof pressure, serious spalling and roof falling and instable support in production of large height mining face, demands of automation control technology of the large mining height hydraulic support were analyzed.
WANG Haiju
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Control of Gob-Side Roadway with Large Mining Height in Inclined Thick Coal Seam: A Case Study
Shock and Vibration, 2021 The gob-side roadway of 130205, a large-mining-height working face in the Yangchangwan coal mine, was investigated in terms of the mine pressure law and support technology for large mining heights and narrow coal pillars for mining roadways. The research
Xie Fuxing
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Meikuang Anquan, 2020 Aiming at the problems that the coal wall rib spalling in the working face affects the economic benefits of fully mechanized mining technology with large mining height, the 3-1 coal seam occurrence conditions of Hongqinghe Coal Mine is taken as the ...
YIN Ruibin, KANG Tianhe, LI Chao, WANG Lilong
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Overview of technologies for constructing the facilities at the Dniester pumped storage power station [PDF]
, 2019 Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineering-geological conditions with the ...
Horbatiuk, Yu +4 more
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The influence of rigidity of the collapsed roof rocks in the mined-out space on the state of the preparatory mine workings [PDF]
, 2019 Purpose. The substantiation of accounting the deformation-strength characteristics of the collapsed rocks and the rocks consolidating near the reusable preparatory mine working of the mined-out space to optimize the loading parameters of its fastening ...
Barabash, M +4 more
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Shock and Vibration, 2021 Coal wall spalling is regarded as a key technical problem influencing safe and efficient mining of large-mining-height working faces while the distribution of abutment pressure within the limit equilibrium zone (LEZ) influences coal wall spalling within ...
Weibin Guo, Shengwei Zhang, Yuhui Li
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The Influence of Overburden Structure on Mine Ground Pressure Appearance in Working Face with Super-large Mining Height: a Case Study in Shendong Mining Area [PDF]
International Journal of Engineering, 2021 The Shendong mining area where is located in the northwest of China has the highest fully mechanized working face in the world. The purpose of this paper is to understand the causes of abnormal mine ground pressure appearance (MGPA) on the fully mechanized mining working face with super-large height in Shendong mining area.
openaire +1 more source
Self-regulating roof-bolting with the rock pressure energy use [PDF]
, 2018 The perspective of discovery of zonal disintegration phenomenon of rocks around underground mine workings is analyzed. The methodological stages for research of this phenomenon are shown.
Astafiev, Denys +10 more
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Geoenvironmental Disasters, 2023 Background The mining-induced stress in the surrounding rock after coal seam mining is the primary cause of damage and failure of the surrounding rock in the mining area.
Shoulong Ma +5 more
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Analysis of the factors influencing the level of professional health and the biological age of miners during underground mining of coal seams [PDF]
, 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
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