Zobrazeno 1 - 10
of 231
pro vyhledávání: '"water disaster"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 176-185 (2024)
Yuanzigou Coal Mine belongs to Yonglong Mining Area of Huanglong Jurassic Coalfield, which is located in the south-central part of the Ordos Basin, and the main water hazard type is bed-separation water inrush. Using the borehole flushing fluid leaka
Externí odkaz:
https://doaj.org/article/08da5f93c2704758a3d1136af7d3920d
Publikováno v:
Meikuang Anquan, Vol 55, Iss 10, Pp 190-197 (2024)
Fast and accurate identification of mine water source is the key condition to prevent and control mine water damage. This study takes Mindong No.1 Mine in grassland mining area of east China as the research area, collects a variety of mine water sour
Externí odkaz:
https://doaj.org/article/feb3ca1fe9ee486dbadca718d6153c04
Publikováno v:
Meikuang Anquan, Vol 55, Iss 9, Pp 173-179 (2024)
In order to further explore the hydrogeological conditions of Baotashan sandstone aquifer in Ningdong coalfield and provide basic data for the water disaster prevention and control of the lower coal floor sandstone, the hydrogeological parameters of
Externí odkaz:
https://doaj.org/article/01b48a5271ef4c35a0ac2428d59a33aa
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 7, Pp 178-186 (2024)
The geological conditions of the North China-type coalfields are complicated, and a large number of water-conducting channels are formed by the tectonic cutting of the coal seam base plate, whose detection and identification have always been the key
Externí odkaz:
https://doaj.org/article/a4517920418c4896b0a7a1522cf3a7df
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 188-194 (2024)
The development of coal seam wind oxidation zone has a huge impact on the production organization and safe mining of coal mines. This paper focuses on the technical difficulties in delineating the coal seam wind oxidation zone in the eastern uplift z
Externí odkaz:
https://doaj.org/article/192bc441f9d2439f927fe723ecbc8327
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 195-203 (2024)
In this paper, taking the mining of deep-buried water-covered coal seam in 4105 working face of Wenjiapo Coal Mine as an example, similar material simulation and numerical simulation methods are used to study the law of overburden failure and fractur
Externí odkaz:
https://doaj.org/article/2592c27cd3634ddeaa07f46500c41463
Publikováno v:
Meitan xuebao, Vol 49, Iss 1, Pp 586-600 (2024)
With the increase of the depth, mining intensity and area of coal resource, the mining disturbances in the mining face can easily induce mine water inrush accidents, seriously threatening the safe mining of coal resources in China. Mine water disaste
Externí odkaz:
https://doaj.org/article/da8afe73b5fe49e0944862070d5601c1
Publikováno v:
Meikuang Anquan, Vol 54, Iss 11, Pp 222-226 (2023)
In order to optimize the detection effect of audio electrical perspective, based on the exploration principle of audio electric perspective, combined with the underground exploration layout, an efficient and accurate mine audio electric perspective d
Externí odkaz:
https://doaj.org/article/70bc4a369ef045c980dd1ada396ea0f7
Autor:
LI Xiaolong
Publikováno v:
Meikuang Anquan, Vol 54, Iss 4, Pp 184-193 (2023)
Aiming at the technical problems for the prevention and control of old goaf water, taking an integrated mine which is seriously damaged by small kiln on the same thick coal seam as an example, we develop an advanced detection-guarantee system for roa
Externí odkaz:
https://doaj.org/article/a6a2b69f89464793a720dd33f399ecc9
Publikováno v:
Meikuang Anquan, Vol 54, Iss 8, Pp 168-172 (2023)
When the traditional single point power supply electrode DC advance detection technology is used to detect the long-distance anomaly, the signal gradually weakens and the accuracy greatly decreases with the increase of detection distance. In order to
Externí odkaz:
https://doaj.org/article/e94f715c53d7426faefe2847d1c78fcf