Results 61 to 70 of about 273 (137)

Impact of surface irregularities on coal wall stability and support mechanisms: Insights from physical and numerical experiments

International Journal of Mining Science and Technology
Coal wall stability is a critical factor influencing coal mining efficiency and threatens the safety of working faces, where irregular coal wall surfaces significantly affect the contact and support effectiveness of the support plate, thereby impacting ...
Jiachen Wang, Xiang Yu, Zhong Huang, Lianghui Li, Yubing Wang   +4 more
doaj   +1 more source

Key technologies and demonstration of unmanned steeply inclined short-wall fully mechanized top-coal caving intelligent mining

Meitan kexue jishu
Since the 14th Five-Year Plan, my China’s coal mine digital intelligence technology has developed rapidly, especially in thin coal seam mining. However, the unmanned intelligent mining technology of steeply inclined short-wall fully mechanized caving is ...
Haodang LI, Qing LIU, Bin GU, Yupeng YAO, Yanyi SUN, Xin TIAN, Wu XIONG, Kunlun LIU, Xinping BAO, Junfei WU, Ruibing YAN   +10 more
doaj   +1 more source

Prediction of rock mixed ratio in image-based intelligent control of caving door in longwall top coal caving face part Ⅱ: inside rock mixed ratio of coal flow

Meitan xuebao
The main task of image-based intelligent control of caving door in longwall top coal caving face is to monitor the rock mixed ratio of coal flow by analyzing the image, and then determine the closing time of caving door.
Jiachen WANG, Shengli YANG, Lianghui LI, Xin ZHANG, Yongsheng CHEN, Dongxin HOU   +5 more
doaj   +1 more source

Ten-year development and practice of coal mine intelligentization technology in China

Meitan kexue jishu
The intelligent construction of coal mines is in line with technological revolution and industrial transformation, and the deep integration and application of new generation information technology and coal development and utilization technology is an ...
Jingdao FAN, Kejun HUANG, Chuan LI, Ming YANG, Xiaojun HUANG, Zhenguo YAN, Yue SONG, Yu CAO   +7 more
doaj   +1 more source

ePoster

European Journal of Neurology, Volume 33, Issue S1, June 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
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