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Intelligent long wall top coal caving mining
Longwall Top Coal Caving (LTCC) mining technology is an effective method for mining thick and extra thick coal seams in China.Since its application in China in 1982, significant progress has been made, forming a variety of mining modes such as LTCC with ...
Jiachen Wang (505061), Yang Li (7082)
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Gong-kuang zidonghuaTo address the problems of low equipment coordination efficiency, insufficient data integration, and incomplete safety monitoring coverage in coal mine production scheduling and safety management, a digital twin-driven integrated ground decision ...
LI Haodang, BAO Xinping, LIU Qing
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DECEPTIVE SANCTITY: The Geopolitics of Shrines and Concealed Antiquities in Afghanistan
Cultural Anthropology, Volume 41, Issue 1, Page 82-106, February 2026.ABSTRACT This article explores a widely circulated legend in Afghanistan in which foreigners are believed to create shrines to conceal buried antiquities. It represents one of several narratives in which locals express mistrust of foreign motivations and geopolitical deception.
SHAMIM HOMAYUN
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Method of tail beam posture prediction of top coal caving hydraulic support based on LSTM [PDF]
Fully mechanized caving is the main mining method for extra-thick coal seams in my country. The control accuracy of the caving actuator depends largely on the data feedback of the tail beam posture.
Wu XIONG, Jinglin ZHANG, Yupeng YAO
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Energy Science &Engineering, Volume 14, Issue 1, Page 412-427, January 2026.Using the pillarless mining face at Zhaozhuang Coal Mine as a case study, the research objective is to accurately and comprehensively understand the stress distribution and its evolution characteristics in flexible concrete pillars along the hollow support pillars under the influence of secondary mining movements during pillarless coal mining ...
Yanhui Zhu +4 more
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Advances in Civil Engineering, Volume 2026, Issue 1, 2026.Directional long horizontal drilling hydraulic fracturing technology (DLHDHF) can prevent and control the occurrence of rock burst disasters by controlling the hard roof in the near field. Therefore, it is exceedingly significant to enhance the pressure relief effect by determining the appropriate fracturing scheme. Taking Number 140202 working face of
Shang Du +8 more
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Research on Top Coal Caving Technique in Steep and Extra-Thick Coal Seam [PDF]
, 2011 Reasonable caving method is an important guarantee of realizing high-yield and high-efficient of the working face. Based on the specific conditions of the 2637 working face in Zhaogezhuang Mine, compared extraction rates under different top coal caving ...
Juguo Zhang +5 more
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Caving form, loosening range and coal discharge.
, 2021 Caving form, loosening range and coal discharge.
Zhicheng Xue (11888547) +3 more
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Research and exploration of longwall fully mechanized mining in steeply dipping coal seams
Meitan kexue jishuTo address the challenges of safe and efficient mining in steeply dipping coal seams in China and support the intelligent transformation of the coal industry, this article focuses on fully mechanized longwall mining technology for such seams.
Yongping WU +10 more
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Advances in Civil Engineering, Volume 2026, Issue 1, 2026.The variation in top‐coal thickness within thick coal seams leads to differences in the movement characteristics of the mining‐induced roof. This study focused on the fully mechanized caving face of the 4‐2 coal seam in Shendong Buertai Mine to explore the influence of top‐coal thickness variation on the overburden movement characteristics during the ...
Fa Dong +5 more
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