Results 11 to 20 of about 120 (101)

Groundwater chemical characteristics and forming reasons of Yuanyanghu Mining Area

open access: yesMeikuang Anquan, 2023
In order to find out the chemical characteristics and causes of groundwater in Yuanyanghu Mining Area, and to provide basis for the prevention and control of water disaster in the mining area, the aquifer hydro-chemistry of Quaternary, Cretaceous, Zhiluo
ZONG Weiqin, ZHAO Baofeng
doaj   +2 more sources

Hydrogeochemical processes of groundwater system and its mining-motivated effect in mining areas of Western China [PDF]

open access: yesMeitan 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   +9 more
doaj   +3 more sources

Law of overburden failure and roof water damage in Yuandatan Coal Mine

open access: yesMeikuang Anquan, 2022
The Jurassic coal field in northern Shaanxi Province is generally threatened by roof water damage, so it is vital to study the law of overburden failure for mine safety production.
LIU Ruirui   +5 more
doaj   +2 more sources

Study on dynamic sand collapse mechanism of weakly consolidated rock strata in thick bedrock stope in western China [PDF]

open access: yesScientific Reports
The superimposed disaster of water and sand collapse and strong ore pressure appearance in the two coal bases of Huanglong and Ningdong mining areas in western China is a kind of dynamic sand collapse disaster of weakly consolidated rock strata in the ...
Liu Zhaoxing   +5 more
doaj   +2 more sources

Study on vertical hydraulic connection of aquifers based on hydro-chemical characteristics and pumping (discharging) water test

open access: yesMeikuang Anquan
The 3−1 coal in Xinjie Mining Area is buried deep, and the thick Zhiluo Formation and Zhidan Group aquifers are the main water-filled aquifers, and the hydraulic correlation between surface water and aquifers affects water inrush in the mine.
Huan HUANG, Shuning DONG
doaj   +2 more sources

Roof Water Pre-discharge Feasibility and Standard of Deep Buried Coal Seam Working Face in Mengshan Mining Area

open access: yesMeikuang Anquan, 2020
Based on the research of landforms, hydrogeological conditions, roof hole water outflow of working face and goaf water outflow in deep buried coal seam area of Ordos basin, we constructed a working face roof water pre-drainage standard.
YANG Jian, SUN Jie, LIANG Xiangyang, HUANG Hao, WANG Qiangmin
doaj   +2 more sources

Characteristics of microbial communities in water bodies of ecologically fragile coal mining areas and indications for mine water filling

open access: yesMeitan kexue jishu
The overall water resources in ecologically fragile mining areas in our country are scarce, but in some areas, mine water inflow is exceptionally large.
Limin FAN   +4 more
doaj   +2 more sources

Hydrochemical characteristics and formation mechanism of groundwater in Yushenfu Mining Area

open access: yesMeitan kexue jishu, 2023
The hydrochemical characteristics of groundwater in coal mining areas and its formation are of great significance to groundwater protection in mining areas and the identification of mine water inrush water sources. This paper takes the Quaternary aquifer,
FAN Limin   +7 more
doaj   +1 more source

Roof Water Damage Prediction and Evaluation of Sand‐Mud Sedimentary Tectonic Strata

open access: yesGeofluids, Volume 2023, Issue 1, 2023., 2023
The prediction and control of roof water disaster has been one of the key problems in the mining process of coal resources. With the increase of mining depth in the western mining area, the roof caving and communicating to the overlying water‐bearing strata have led to an increasing number of roof water inrush accidents and deterioration of production ...
Pengfei Jiang   +6 more
wiley   +1 more source

Hydrogeological feasibility of mine water deep geological storage in Baotashan coarse sandstone: A case study in Ordos Basin

open access: yesDeep Underground Science and Engineering, Volume 1, Issue 2, Page 148-164, December 2022., 2022
We conducted a new approach of mine water‐deep geological storage, the results showed that the hydrogeological feasibility of Baotashan coarse sandstone (BCS) was impressive and useful for real project. The effective porosity of BCS aquifers ranged from 1.36% to 3.46% and the capacity of mine water geological storage was 0.455–1.266 Mm3 for 1 km2 in ...
Ge Chen, Yajun Sun, Zhimin Xu, Xin Li
wiley   +1 more source

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