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Discussions on Some Security Mining Problems of Fully-Mechanized Top Coal Mining in “Three Soft” Large Inclined Angle Working Face [PDF]

Procedia Engineering, 2011
This paper studies insecure factors of fully-mechanized top coal mining in “three soft” large inclined angle working face, which have impacted the normal generation badly, including rib spalling, roof fall and equipment slide, etc.
Yanli, Zhu, Dongming, Guo, Xianlei, Zhu, Guihe, Li, Renshu, Yang   +4 more
exaly   +2 more sources

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Finite Element Analysis of Abutment Pressure Distribution Characteristic of Working Faces in Fully Mechanized Sublevel Caving Face

Applied Mechanics and Materials, 2011
The elastic-plastic constitutive relationship and the Drucker-prager yielding criterion are used to simulate the behaviour of non-linear geo- materials. Dynamic change laws of abutment pressure of S2S2 work face of xiaokang coal mine is simuluted by the ansys program.
Hong Chun Xia, Zhen Qi Song, Li Jing Ru
openaire   +1 more source

Experimental study of the effects of air volume ratios on the air curtain dust cleaning in fully mechanized working face

Journal of Cleaner Production, 2021
Dawei Chen, Weimin Cheng, Zhanyou Sa
exaly  

Investigation on dust dispersion during support movement in a fully mechanized mining face and the technology with support frame enclosure dust control

Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 2021
Jinming Mo, Dandan Li
exaly  

Study on dust diffusion characteristics of continuous dust sources and spray dust control technology in fully mechanized working face

Powder Technology, 2022
Zhongan Jiang, Yapeng Wang
exaly  

Effects of Recovery Ratio on the Fracture Evolution of the Overburden Pressure-Relief Gas Migration Channel for a Fully Mechanized Working Face

Natural Resources Research, 2022
Chi-Min Shu, Yongyong Jia
exaly  

Research and Application of Automatic Mining Technology in Fully Mechanized Unmanned Working Face

Foreign Language Science and Technology Journal Database Engineering Technology, 2021
openaire   +1 more source

Numerical analysis on spatial distribution for concentration and particle size of particulate pollutants in dust environment at fully mechanized coal mining face

Powder Technology, 2021
Biao Sun, Gang Zhou, Fangwei Han
exaly  

Study on the coupling migration law of airflow-respiratory dust of an 8-m high fully-mechanized mining face

Energy Exploration and Exploitation, 2022
Jinming Mo, Fang Chen
exaly  

Distribution pattern of front abutment pressure of fully-mechanized working face of soft coal isolated island

International Journal of Mining Science and Technology, 2012
Enyuan Wang, Dazhao SONG, Rongxi Shen
exaly