Results 1 to 10 of about 186 (125)

Research on Water-Conducting Fractured Zone Height under the Condition of Large Mining Height in Yushen Mining Area, China [PDF]

open access: yesLithosphere, 2023
Accurately predicting the development height of the water-conducting fracture zone (HW) is imperative for safe mining in coal mines, in addition to the protection of water resources and the environment.
Dong Feng   +3 more
doaj   +5 more sources

Feasibility analysis of lateral water interception curtain in loose aquifer during deep coal seam mining in Yushen mining area [PDF]

open access: yesMeitan xuebao
Yushen mining area is the main mining area of the coal base in northern Shaanxi at present. During the development of high-intensity coal resources, the problems of coal seam roof water disaster and water resource leakage are prominent.
Chunhu ZHAO   +4 more
doaj   +4 more sources

Optimization numerical simulation of staggered distance scheme for double coal seam mining in Yushen Mining Area

open access: yesMeikuang Anquan, 2021
In order to study the optimal scheme of staggered distance mining in double coal seam and its influence on the key strata of overburden structure, take the geological conditions of Yushen Mine Area as the background, the optimal scheme was selected from
SUN Xueyang, LU Mingjiao, LI Cheng, MIAO Lintian
doaj   +2 more sources

Experimental Study on the Mining-Induced Water-Resistance Properties of Clay Aquicludes and Water Conservation Mining Practices

open access: yesAdvances in Civil Engineering, 2021
The Yushen mining area contains thin bedrock and a shallow buried coal seam, where JingLe group Hipparion clay and Lishi loess serve as a high-quality cement insulation cover.
Zhenli Fan   +5 more
doaj   +2 more sources

Elastic wave prospecting of water-conducting fractured zones in coal mining [PDF]

open access: yesScientific Reports
In order to understand the development law of water-conducting fractures in overlying strata during the mining process of coal seam, an elastic wave exploration method based on key stratum theory is proposed to predict the height of water-conducting ...
Bingchao Zhao   +4 more
doaj   +2 more sources

Multi-Indicator Early-Warning Model for Mine Water Inrush at the Yushen Mining Area, Shaanxi Province, China

open access: yesWater, 2023
Previously conducted studies have established that the early warning of water inrush is crucial for the prevention and control of mining water catastrophes in the panel. In order to ensure the safety of coal mining, in this paper, monitoring indicators were determined using the sensitivity analysis method, and then a multi-indicator early-warning model
Jinxi Liang   +4 more
openaire   +1 more source

Multi-factor Contribution to the Height of Water-conducting Fracture Zone and Mine Zoning for Water Protection in Yushen Coalfield

open access: yesTaiyuan Ligong Daxue xuebao, 2023
Predicting the Water-conducting fracture zone height (WFZH) and determining the mining zones that require water conservation operations are critical for the mine sustainability.
Shuai ZHANG   +3 more
doaj   +1 more source

Study on surface movement and deformation law of the middle deep buried thick seam in sandy region

open access: yesMeikuang Anquan, 2021
In order to study the surface movement and deformation law caused by the middle deep buried thick coal seam mining in northern Shaanxi Province, the first working face (112201 working face) of Xiaobaodang Coal Mine which lies in the middle of the third ...
XIE Xiaoshen   +7 more
doaj   +1 more source

Derivative mine dynamic water inrush mode of skylight leakage and its evaluation and control technology system

open access: yesMeitan xuebao, 2023
The central and western coal resources have the highest degree of enrichment and superior development conditions in China. With the improvement of mining efficiency, the disturbance of high-intensity and large-mining-height mining mode to groundwater ...
Yifan ZENG   +8 more
doaj   +1 more source

Mechanism of deformation and pressure relief control of dynamic gob-side entry surroundings in fully-mechanized caving mining for extra-thick coal seam

open access: yesMeitan kexue jishu, 2023
Affected by the superposition of working face mining, strong rock pressure phenomena such as rock burst and large deformation easily occur in the gob-side entry when mining extra-thick coal seams. Taking the extra-thick coal seam mining of Caojiatan Coal
GAO Yubing   +5 more
doaj   +1 more source

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