Results 31 to 40 of about 97 (91)

Geological technological innovations and contributions in the exploration and development of the Shenfu coalfield

Meitian dizhi yu kantan
BackgroundThe discovery and exploration of the Shenfu coalfield (i.e., a Jurassic coalfield in northern Shaanxi Province) represent the most significant achievement in China’s coal industry during the 6th Five-Year Plan of the country, marking the onset ...
Limin FAN
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Research on deformation and failure characteristics of overburden and surface in high-intensity mining of Caojiatan Coal Mine

Meikuang Anquan
Under high-intensity mining conditions, the structural response of overburden is severe, significantly affecting the safety of surface structures. Taking the 122104 super-large mining height working face of Caojiatan Coal Mine in the Yushen Mining Area ...
Zhaolai HUA, Yang LYU, Shengxiang GAO, Zehui WU, Xufeng WANG, Lei ZHANG   +5 more
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Pressure law and roof control of near shallow buried super large mining height working face

Meitan kexue jishu
Aiming at the roof control problem of super-large mining height in near-shallow buried thick unconsolidated layers represented by Yushen Mining Area, the theoretical analysis, numerical simulation and field measurement are used to analyze the pressure ...
Xiaogang LIU, Zhen ZHANG, Qianjin LIU, Jianchao REN, Maofu LIU, Xingyu LIN, Rongshan MA   +6 more
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Hydrogeochemical processes of groundwater system and its mining-motivated effect in mining areas of Western China

Meitan xuebao
The exploitation of coal resources will destroy the aquifer structure, disturb the groundwater system and produce a new water cycle model. As the focus of coal supply and production, the western mining area is short of water resources and fragile in ...
Aoshuang MEI, Yifan ZENG, Qiang WU, Zhichao LIU, Yanping MIAO, Sitong WANG, Yashuai CUI, Huaming WEI, Shuaifeng REN, Lei YANG   +9 more
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Sensitivity analysis of factors influencing water redistribution in vadose zones under coal mining disturbance in ecologically vulnerable areas

Meitian dizhi yu kantan
ObjectiveCoal mining-induced disturbance leads to water redistribution in the vadose zones of mining areas. The sensitivity analysis of the factors influencing this redistribution holds critical significance for the reconstruction of eco-geological ...
Ao WANG, Shiliang LIU, Shanlin WANG, Yusheng ZHENG, Tengye WANG, Zuzhen WANG, Deqiang MAO   +6 more
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Numerical simulation of efficient water drainage with long-distance, near-horizontal boreholes in roof aquifer of Jurassic coal seams in Northern Shaanxi

Meitan kexue jishu
The drainage effect of the roof water before mining on the working face determines the layout of the mine's drainage system, which affects the safety of mine water prevention and control.
Zhaolai HUA, Hao HUANG, Lu WANG, Zenglin LI, Yang LYU, Jiankun XUE, Jie SUN, Le HAN, Shuaifeng REN, Zhizhou WANG, Shuxuan WANG, Zhenfang ZHOU   +11 more
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Groundwater renewal capacity of Jurassic coalfields in northern Ordos Basin

Meitan xuebao
With the westward shift of the focus of coal mining, the Jurassic coalfield in the northern Ordos Basin has become an important energy security base in China.
Jian YANG, Yue PU, Hui LI
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Stability analysis of filling replacement filling body of interface coal pillar

Meikuang Anquan
In order to study the stability of filling body in the process of filling and replacement of interface coal pillar, based on the geological conditions of a mine in Yushen Mining Area of Shaanxi Province, the calculation models of filling body load during
Bingchao ZHAO, Zhonghao YANG, Jingbin WANG, Haonan CHEN, Ruifeng WANG, Yongsheng TUO   +5 more
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Surface grouting and water plugging technology for inclined shaft in water-rich sandy soil

Meikuang Anquan
In order to effectively reduce the uneven settlement and destructive effect of water-rich sand-soil stratum structure on coal mine inclined shaft, taking the water gushing treatment of an auxiliary inclined shaft in the west of Yushen Mining Area as an ...
Kaixiang LIU, Xiang DING, Dangwen ZHOU, Haiyu HUANG, Xiaojing HUANG, Dongwei DUAN, Jie FENG, Long PANG   +7 more
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Research and application of top coal caving characteristics at end of fully mechanized caving working face in hard and thick coal seam with super large mining height

Meitan xuebao
Fully-mechanized caving mining with super-large mining height is an effective method for safe and efficient mining of thick and extra-thick coal seams. Aiming at the problem of poor top coal caving ability at the end of fully-mechanized caving mining in ...
Ying MA, Shijun LIU, Ziyan MA, Duanzhi MA   +3 more
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