Results 81 to 90 of about 843,741 (156)

Application of the Vibration to the Top Coal Caving

, 2011
The article discussed the advantages and disadvantages of the traditional long wall top coal caving (LTCC) first, then proposed a new technique of top coal caving with vibration.
Yi Lin, Xuan Xiang Jian, Yong Jun Yang
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Issue Information

Deep Underground Science and Engineering, Volume 5, Issue 3, Page i-ii, September 2026.
wiley   +1 more source

Calculation method of support working resistance for fully mechanized top-coal caving face with large mining height in extra-thick coal seam based on structural mechanics analysis of low-lying overburden

Meitan xuebao
To explore the mechanism of hydraulic support pressure and the calculation method of working resistance for super-high mining height fully mechanized top-coal caving face in extra-thick coal seam, taking the Tashan mine field in Datong mining area as the
Jun GUO, Zi WANG, Guorui FENG, Hongfei DUAN, JinWen BAI, LiRong LI, Xiaoze WEN, Wenbo HUANG, Jie ZHANG, Longlong YANG, Quan LIU, Jiahao ZHANG   +11 more
doaj   +1 more source

Quantification of key factors and hazard classification of “coal wall” stability under high-intensity mining

Meitan xuebao
Aiming at the engineering problem of coal wall rib spalling under high-intensity mining that restricts normal mining and intelligent prediction and control, based on the proposed “combined short cantilever beam-articulated rock beam structure”, the ...
Shaohong YAN, Bo XUE
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ePoster

European Journal of Neurology, Volume 33, Issue S1, June 2026.
wiley   +1 more source

Research and application of remote intelligent fluid supply and power supply technology in coal mine super-long strike fully mechanized caving face

Meitan kexue jishu
In the working conditions of long-strike coal mine faces, the traditional approach for liquid supply and power supply equipment is mobile withdrawal to follow the mining progress. However, this production method has several drawbacks. It involves a large
Chuanming ZHANG, Qingkai ZANG, Yongming NIU, Hui GUO, Ran LI, Dongyue ZHANG   +5 more
doaj   +1 more source

Coal wall bending calculation and spalling risk classification using Chebyshev polynomials

Geomechanics and Geophysics for Geo-Energy and Geo-Resources
In view of the severe constraints of coal wall spalling and roof caving problems on the productivity release and intelligentization process of large mining height working faces, this paper comprehensively analyzes the key factors affecting coal wall ...
Zhining Zhao, Weidong Pan, Baiyu Hu, Guocheng Zhang, Cang Deng, Xiyuan Qin, Yupei Deng   +6 more
doaj   +1 more source

Research and practice on key technologies of 5G+ industrial internet-based intelligent coal mine and intelligent coal caving

Meitan xuebao
Based on the intelligent coal mine construction task of CHN ENERGY Shendong Baode Coal Mine, this paper proposes a general construction scheme for an intelligent mine based on “5G + Industrial Internet" under the principle of ” Unified Data, Unified ...
Guofa WANG, Qingyong MENG, Lin HOU, Yao CUI, Shouxin HU, Jie MENG, Wangnian LI, Yang PU, Chenxin LI, Xiaowen REN   +9 more
doaj   +1 more source

Numerical and test study on dynamic characteristics of the tail beam of top coal caving hydraulic supports

Jixie qiangdu
In order to determine the sensitive vibration characteristic parameters of coal and gangue in the process of top coal caving and improve the intelligent identification accuracy of coal and gangue, the dynamic characteristics of the tail beam of the ...
WU Mingke, YANG Shanguo, WANG Yao, MENG Bin, YANG Zheng, LIU Houguang   +5 more
doaj  

A drilling-punching-hole protection integrated hydraulic caving technology for broken soft and low-permeability coal seams

Objective and Method For broken soft and low-permeability coal seams, gas drainage achieved through permeability enhancement and pressure relief by cross-seam hydraulic caving in coal seam floor faces problems including serious borehole collapse in the ...
Shijun, HAO, Hongchao, WEI, Jinbao ZHANG, Shijun HAO, Chao NIE, Jinbao, ZHANG, Chao, NIE, Ningping YAO, Hongchao WEI, Ningping, YAO   +9 more
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