Results 31 to 40 of about 3,022 (277)

Concept and Practice of Open-pit Mining Area Restoration and Reuse --- Taking an Open-pit Coal Mining Area in Datong, Shanxi as an Example [PDF]

E3S Web of Conferences, 2020
The restoration of open-pit mining coal mine areas is imminent, and it is of great significance to put forward a set of reasonable restoration concepts.
Jiayin Huang, Baoan Hu, Xiangjun Tan, Jin Cheng, Long Li   +4 more
doaj   +1 more source

Formation mechanism of a disastrous groundwater inrush occurred at the Xinjing coal mine in Datong, Shanxi province, China

Geomatics, Natural Hazards & Risk, 2020
On May 18, 2006, a disastrous groundwater inrush occurred at the Xinjing coal mine in Datong, Shanxi province, China. Great effort was taken during the post-accident rescue.
Fangpeng Cui, Lele Wu, Qiang Wu, Chen Xiong, Cong Jin, Ning Li, Demin Liu   +6 more
doaj   +1 more source

Mechanism and countermeasures of abandoned roadway collapse in three-roadway stope mining one side pillar

Meikuang Anquan, 2021
In order to find out the reason of large area roof cutting and caving in abandoned roadway during the mode of mining one side pillar and three-roadway arrangement of 202 working face in Daning Coal Mine, based on the field observation and theoretical ...
HAN Shuyi, YANG Shuangsuo, BAI Yunlong, MA Jinmin, SHI Jinsong, HAN Junxiao, CHENG Lingyu
doaj   +1 more source

MONITORING METAL POLLUTION LEVELS IN MINE WASTES AROUND A COAL MINE SITE USING GIS [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
In this case study, metal pollution levels in mine wastes at a coal mine site in Etili coal mine (Can coal basin, NW Turkey) are evaluated using geographical information system (GIS) tools.
D. Sanliyuksel Yucel, M. A. Yucel, B. Ileri   +2 more
doaj   +1 more source

Mechanism and Control Technology of Water Inrush Caused by Bandoned Coal Mines

Meikuang Anquan, 2020
To eliminate the threat of water disasters from abandoned coal mines to nearby productive coal mines, by investigating the mining spatial relationship between abandoned coal mines, surface water bodies and productive coal mines and occurrence conditions ...
LI Yanqing, ZHAO Huajie, XIA Kangsheng
doaj   +1 more source

The rise of the mine water level in the area of the former Kohinoor II mine and the influence on the surrounding aquifer systems of abandoned mines in the central part of the North Bohemian Brown Coal Basin

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2011
The aim of this article is to evaluate the process of terminating the mine water pumping after the liquidation of the Kohinoor II coal mine, situated in the central part of the North Bohemian Brown Coal Basin (NBB) and the subsequent resumption of ...
Milan Mikoláš, Jiří Varady, Jaroslav Bažant, František Žoček   +3 more
doaj   +1 more source

A method for arranging a network of surface boreholes for abandoned gob methane extraction

Energy Exploration & Exploitation, 2019
To optimize the arrangement of a network of surface boreholes for abandoned gob methane extraction, a method for regional division of abandoned gobs based on their connectivity is proposed.
Wei Qin, Jialin Xu, Guozhong Hu, Jie Gao, Guang Xu   +4 more
doaj   +1 more source

Development strategy of pumped storage in underground space of closed/abandoned mines

矿业科学学报, 2023
To achieve carbon peaking and carbon neutrality, China has deepened its energy revolution with the largest renewable energy power generation capacity in the world.In face of the unstable power supply of large-scale renewable energy, a new power system ...
Yang Ke, Fu Qiang, Yuan Liang, Chen Ning, Liu Qinjie, Yang Qinggan   +5 more
doaj   +1 more source

Current Situation and Prospect of Gas Extraction Technology and Equipment for Coal Mines in China

Meikuang Anquan, 2020
Gas extraction is an essential measure to reduce the amount of gas discharged by mine air and prevent gas disasters.Based on the previous research and a large number of literature research, the existing coal mine gas extraction technology is ...
WANG Yaofeng
doaj   +1 more source

Underground Hydro-Pumped Energy Storage Using Coal Mine Goafs: System Performance Analysis and a Case Study for China

Frontiers in Earth Science, 2021
In response to the Paris climate agreement, the Chinese government has taken actions to improve the energy structure by reducing the share of coal-fired thermal power and increasing the use of clean energy.
Deyi Jiang, Deyi Jiang, Shao Chen, Shao Chen, Shao Chen, Wenhao Liu, Wenhao Liu, Yiwei Ren, Yiwei Ren, Pengyv Guo, Pengyv Guo, Zongze Li, Zongze Li   +12 more
doaj   +1 more source