Results 161 to 170 of about 1,747 (203)

Investigation on overburden failure and subsurface subsidence characteristics in fully mechanized top-coal caving of "Three-Soft" Thick coal seams. [PDF]

Sci Rep
Guo W, Yang W, Ge Z, Wang B, Li L.
europepmc   +1 more source

The disaster law and control measures of high-stress tunnels in fault areas: a case study. [PDF]

Sci Rep
Li W, Yao M, Liao Z, Wu J, Ma N, Su J, Mei C, Wang W.   +7 more
europepmc   +1 more source

Study on the influence of periodic roof fracturing on the mechanical disturbance characteristics of coal and gas outburst behavior in the mining face. [PDF]

PLoS One
Zhang C, Chen Z, Wu X, Ma J, Chen J.
europepmc   +1 more source

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.
europepmc   +1 more source

Air leakage characteristics and comprehensive prevention of goaf side retained roadway of fully mechanized mining faces in Qincheng coal mine. [PDF]

Sci Rep
Luo X, Chen L, Wu B, Sun M, Yang T, Yu H.   +5 more
europepmc   +1 more source

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
europepmc   +1 more source

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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
openaire   +1 more source

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
openaire   +1 more source

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
openaire   +1 more source

A Virtual Reality Collaborative Planning Simulator and Its Method for Three Machines in a Fully Mechanized Coal Mining Face [PDF]

Arabian Journal for Science and Engineering, 2018
The existing automatic control program and its parameters for three machines in a fully mechanized Coal Mining face are static and simplex and are therefore inadequate for satisfying the complex and dynamic environment of underground coal mines.
Jiacheng Xie, Zhaojian Yang, Xuewen Wang   +2 more
exaly   +2 more sources