Results 141 to 150 of about 1,143 (178)

Research on surface subsidence laws and prediction models under repeated mining of multiple coal seams. [PDF]

Sci Rep
Guo S, Qiu S, Zhang D, Zheng W.
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Development and application of an improved constitutive model for acidizing coal around fractured boreholes. [PDF]

Sci Rep
Zhang T, Song X, Pang M, Li S, Lin H, Zhang T, Pan H.   +6 more
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Study on the impact of stress effects on gas extraction in thick inclined coal seam caving faces. [PDF]

Sci Rep
Chen L.
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Robot control system for inspection of fully mechanized coal mining face

2021 18th International Conference on Ubiquitous Robots (UR), 2021
In order to realize the roboticization of fully mechanized coal mining face inspection, the fully mechanized coal mining face inspection robot control system was designed according to the mechanical structure of the hang inspection robot based on the flexible track designed by the team and the inspection requirements of the fully mechanized coal mining
Xuhui Zhang, Xinjian Huo, Yonggang Du
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The Adaptation Analysis of the Fully Mechanized Coal Mining Face of Huopu Mine’s Third Soft Coal Seam

Advanced Materials Research, 2014
To get the maximum coal in front of the working face of the 17# coal seam, we installed a longer beam which is 1.2m in length in the leading end of the original working face supports ZF3000/17/28, and know that working face supports’ setting load and working resistance are lower .We changed the original supports with shield supports ZY3800/15/33 that ...
Fa Quan Liu, Xue Wen Geng, Yong Che, Xiang Cui   +3 more
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Optimization of the fully-mechanized stoping face length and efficiency in a coal mine

Journal of Mining Science, 2013
The authors formulate a problem and present analytical solutions on optimizing length of a fully-mechanized stoping face based on the maximum profit criterion.
A. A. Ordin, A. A. Metel’kov
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Research on Video Mosaic Technology Based on Fully Mechanized Face of Coal Mine

2020
In the process of coal mine safety production, video surveillance is one of the important technical means to ensure production safety. However, due to the complicated environment of the coal mine itself, video surveillance has some defects, and the means are single, which cannot effectively complete the effective monitoring of the production ...
Weihu Zhang, Zhihui Tao, Xu Li
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Mining pressure monitoring and analysis in fully mechanized backfilling coal mining face-A case study in Zhai Zhen Coal Mine

Journal of Central South University, 2015
Fully mechanized solid backfill mining (FMSBM) technology adopts dense backfill body to support the roof. Based on the distinguishing characteristics and mine pressure control principle in this technology, the basic principles and methods for mining pressure monitoring were analyzed and established. And the characteristics of overburden strata movement
Qiang Zhang, Ji-xiong Zhang, Tao Kang, Qiang Sun, Wei-kang Li   +4 more
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Research on the effect of coal seam inclination on gas migration channels at fully mechanized coal mining face

Arabian Journal of Geosciences, 2019
To investigate the mechanical evolution progress of mining-induced pressure-relief gas migration channel in overlying strata fissure at fully mechanized mining working face, physical similarity simulation tests were conducted to experimentally and numerically evaluate the mining process of a coal mine in Heshun, Shanxi Province. The profiles of the gas
Pengxiang Zhao, Risheng Zhuo, Shugang Li, Chun-Hsing Ho, Haifei Lin, Hui Liu   +5 more
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Numerical Simulation of the Dust Movement Rule at a Fully Mechanized Mining Face in Liangshuijing Coal Mine

2018
In order to study the movement pattern of dust generated during support advancing and shearer cutting at # 42,112 fully mechanized mining face in Liangshuijing Coal Mine, a mathematical and physical model were established and the simulation based on gas-solid two-phase flow interaction was carried out.
Jian-guo Wang, Fei-wen Qi, Ya-ru Zhe, Ya-ping Zhang   +3 more
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