Results 1 to 10 of about 222 (67)

Research on the Development Law of Water-Conducting Fracture Zone in the Combined Mining of Jurassic and Carboniferous Coal Seams

Applied Sciences, 2022
The accurate prediction of the height of the water-conducting fracture zone is essential for the prevention of roof damage by water disasters in coal mines.
Cunjin Lu, Jinpeng Xu, Qiang Li, Hui Zhao, Yao He   +4 more
doaj   +3 more sources

A Case Study of the Water Abundance Evaluation of Roof Aquifer Based on the Development Height of Water-Conducting Fracture Zone

Energies, 2020
In the eastern mining area of Ningxia, China, multi-layered sandstone aquifers are widely distributed in the underground. However, the water abundance of these aquifers is not clear, which brings great challenges to the prevention and control of mine ...
Wen Zhai, Wei Li, Yanli Huang, Shenyang Ouyang, Kun Ma, Junmeng Li, Huadong Gao, Peng Zhang   +7 more
doaj   +3 more sources

Study of the development patterns of water-conducting fracture zones under karst aquifers and the mechanism of water inrush

Scientific Reports
The hydrogeological conditions of the Qianbei coalfield are complex, and karst water in the roof rock frequently disrupts mining operations, leading to frequent water inrush incidents.
Lulin Zheng, Xiaokun Wang, Hong Lan, Weide Ren, Youwen Tian, Jin Xu, Shiyu Tian   +6 more
doaj   +2 more sources

Study on development law of water conducting fracture zone in coal seam mining under burnt rock aquifer

Meikuang Anquan, 2022
In order to study the development law of water conducting fracture zone in coal seam mining in A’ai Mining Area, Xinjiang, 1013 working face of a coal mine is selected as the research object.
ZHANG Jingmin, MENG Fanlin, WU Haiwen, ZHAO Fei, XUE Jiankun, WANG Yi, LUO Ankun, HUANG Huan   +7 more
doaj   +1 more source

Study on development law of water-conducting fault zone in deep gently inclined double coal seam mining

Meikuang Anquan, 2022
In order to study the development characteristics of water-conducting fracture zone in deep-buried gently inclined multi-coal seam mining, taking the overlapping mining area of 2-1 coal and 2-2 coal in Shicaocun Coal Mine as the research object, through
HOU Enke, LIU Bo, LONG Tianwen, XU Wei, WEI Qiming, MA Jinyong   +5 more
doaj   +1 more source

Development characteristics of water conduction fracture zone in deep coal seam mining in Ordos Basin

Meikuang Anquan, 2021
Most coal mines in Ordos Basin are mainly Jurassic coal seams. The mining conditions are characterized by large mining height and depth. The roof aquifer is numerous and poses a serious threat to mine safety.
QIN Wei, LI Wenping
doaj   +1 more source

Study of the Evolution of Water-Conducting Fracture Zones in Overlying Rock of a Fully Mechanized Caving Face in Gently Inclined Extra-Thick Coal Seams

Applied Sciences, 2022
To study the caving of thick hard overburdens and evolution of water-conducting fracture zones in fully mechanized top-coal caving faces of gently inclined extra-thick coal seams, we comprehensively analyzed the 8103 working face of the Beixinyao Coal ...
Yang Zhou, Xueyi Yu
doaj   +1 more source

Multiple Influence Factor Sensitivity Analysis and Height Prediction of Water-Conducting Fracture Zone

Geofluids, 2021
To explore the influence law and sensitivity of various factors on the height of the water-conducting fracture zone, and further predict the development height of the water-conducting fracture zone, taking the field survey and collected actual measured ...
Xiaobin Li, Quansheng Li, Xuhui Xu, Yongqiang Zhao, Peng Li   +4 more
doaj   +1 more source

Characteristics of overlying rock mining failure and evaluation of water - sand controlling performance in thin bedrock areas

Meitan kexue jishu, 2023
Aiming at the problem of water and sand collapse during mining under the near loose aquifer in the exposed area of shallow coal seams, and taking the 3I126 working face of Luxi Coal Mine as the engineering background, a combination of physical simulation,
Qianwen LI, Jianjun SHEN, Huide ZHANG, Zeyu SHANGGUAN   +3 more
doaj   +1 more source

A prediction model for height of water-conducting fracture zone in fully mechanized caving of 3# coal seam in Tengzhou Mining Area

Meikuang Anquan, 2022
In order to accurately predict the development height of water-conducting fracture zone in the roof of fully mechanized caving coal of No.3 coal seam in Tengzhou Mining Area, based on the measured data of water-conducting fracture zone height and main ...
CAO Shiyou, DONG Fangying, CHEN Dalin, ZHANG Lifeng, XU Debao, WANG Song, WANG Peng, YIN Huiyong, ZHENG Yongjie   +8 more
doaj   +1 more source