Results 51 to 60 of about 156 (125)

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
doaj   +1 more source

Vertical zoning characteristics and genesis mechanism of groundwater hydrochemistry: a case study of Xinjie Mining Area

Meitan kexue jishu
Mine water, as the main potential water supply source for coal mine sites, has a good potential for comprehensive reuse. However, the complex and diverse physical and chemical reactions between the coal seam roof-filling aquifers and the surrounding ...
Xudong WANG, Zuyu YAN, Qiang GUO, Suo ZHANG, Jiawei TANG, Yutian HU, Xiaoqing LIU, Jingfeng LI   +7 more
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Mechanism and influencing factors of dynamic-static load induced rock burst under the composite effect of key strata

Meitan kexue jishu
In Ordos mining area, the movement and fracture of adjacent sandstone strata in Zhiluo Formation are prone to interacting with each other to form composite effects, resulting in high peak and wide range of advanced support stress on the working face, as ...
Anye CAO, Guowei LYU, Chengchun XUE, Mingyue WENG, Xueqi ZHANG, Xiang MA, Yujie PENG, Xianxi BAI, Qi HAO   +8 more
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Multiscale heterogeneity and water abundance of uranium aquifers in coal measures and its significance

Meitan xuebao
The Ordos basin is a crucial comprehensive energy base in China, where coal and sandstone-type uranium resources frequently coexist in an associated form within the same clastic aquifer system, characterized by a typical “coal below, uranium above ...
Liyao LI, Fei XIA, Hui CHEN, Hao ZHOU, Han ZHANG, Zhibing FENG, Yue LUO, Jiale LI   +7 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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Differential roof water hazards and comprehensive utilization of mine water in the Dongsheng coalfield

Meitian dizhi yu kantan
ObjectiveThe Dongsheng coalfield exhibits various types of mine water hazards, complex water filling mechanisms, and high water inflow with high total dissolved solids (TDS) content in mining areas.
Haiyu HUANG, Xiang DING, Xi LIU, Jiangwei FAN, Zhuochen JI, Zhaoyang LI   +5 more
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Investigation of physicochemical and triaxial compressive properties of conglomerate in acidic leachate

Meitan kexue jishu
The seepage effect of leaching solution in the process of in-situ leaching mining may lead to the deterioration of the mechanical properties of the aquifuge, and affect the safety of coal uranium co-mining.
Peng YANG, Xinzhu HUA, Xiao LIU, Yan HAN, Chen LI   +4 more
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Mechanisms behind consolidation-induced water release from effective impermeable soil layers and mine water inflow prediction in coal mining

Meitian dizhi yu kantan
BackgroundIn the Yushen mining area, coal mining is gradually shifting toward areas with thick soil layers. This leads to continuous water release from the saturated soils above the hydraulically conductive fracture zones, thereby significantly ...
Tao LI, Ying GAO, Limin FAN, Junwei YANG
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Study on the water-richness law and zoning assessment of mine water-bearing aquifers based on sedimentary characteristics. [PDF]

Sci Rep, 2022
Wang Y, Pu Z, Ge Q, Liu J.
europepmc   +1 more source

Research and application of pressure relief technology for fracturing thick hard roof in super-high mining face

Meitan xuebao
Aiming at the problems of super-large mining space, strong ore pressure and ultra-high coal wall stability control faced by full-mechanized mining face with ultra-large mining height and thick hard roof, this paper takes the 122104 working face of ...
Yajun LEI, Yanjun FENG, Hongpu KANG, Futang ZHAO, Xiaoguang SHANG, Rui WANG, Peng WANG, Zhen ZHANG, Jianchao REN, Kaikai ZHAO, Yangfa ZHENG, Xiaogang LIU   +11 more
doaj   +1 more source