Results 21 to 30 of about 2,304 (177)

Hydrogeological Hazards in Open Pit Coal Mines–Investigating Triggering Mechanisms by Validating the European Ground Motion Service Product with Ground Truth Data

Water, 2023
This research focuses on the investigation of hydrogeological hazards in open pit coal mines. The study area is the Amyntaio sub-basin area, located in West Macedonia prefecture, Greece.
P. Tzampoglou, C. Loupasakis
semanticscholar   +1 more source

Discussion on the stability evaluation standard of a rock slope in a noncoal open-pit mine

工程科学学报, 2022
As an important way to obtain mineral resources, open-pit mining has accounted for about 77% of the total production of the mined iron ore, and about 52% of the total production of non-ferrous ore, indicating huge development potential.
Shun-chuan WU, Peng-bin HE, Hai-yong CHENG, Guang-he WANG, Xiao-qiang ZHANG, Zhong-xin ZHANG   +5 more
doaj   +1 more source

Dynamic control of working slope shape and optimization of advance speed in seasonally stripped open-pit coal mine

Meitan kexue jishu, 2023
Due to the discontinuity of the stripping project in seasonal stripping open-pit coal mines, the untimely advance distance of the working slope is huge. In order to reduce the advance stripping and save the stripping distance, research was carried out on
Guangwei LIU, Yunlong HUANG, Bo CAO, Yong YAO   +3 more
doaj   +1 more source

Deep learning and IoT enabled digital twin framework for monitoring open-pit coal mines

Frontiers in Energy Research, 2023
Early detection of cracks enables timely mitigation and maintenance actions, ensuring the safety of personnel and equipment within the open-pit coal mine.
Rui Yu, Xiuyun Yang, Kai Cheng
semanticscholar   +1 more source

Pumped storage hydropower in an abandoned open-pit coal mine: Slope stability analysis under different water levels

Frontiers in Earth Science, 2022
Many coal mines are being abandoned for economic and environmental reasons in China. The repurposing of abandoned open-pit coal mines into pumped storage hydropower (PSH) can help with the storage of renewable energy, improve mine environments, and ...
Feiyue Liu, Feiyue Liu, Feiyue Liu, Ke Yang, Tianhong Yang, Yuan Gao, Jinduo Li, Qinjie Liu, Qiang Fu   +8 more
doaj   +1 more source

Quantification of Vegetation Phenological Disturbance Characteristics in Open-Pit Coal Mines of Arid and Semi-Arid Regions Using Harmonized Landsat 8 and Sentinel-2

Remote Sensing, 2023
Open-pit mining activities inevitably affect the surrounding ecological environment. Therefore, it is crucial to clarify the disturbance characteristics of open-pit mining activities on the surrounding vegetation and scientifically implement ecological ...
Bing Wang, Peixian Li, Xiaoya Zhu
semanticscholar   +1 more source

Way of Carbon Emission Reduction in Coal Mines Based on Carbon Balance Method and B-Wilson Method

Chemical Engineering Transactions, 2018
This study is to analyze carbon balance method and B-Wilson method in carbon emission reduction in coal mines. The carbon balance method and B-Wilson method are studied in four open-pit coal mines in Yimin River, Anjialing, Heidaigou and Buzhaoba.
Shuhui He
doaj   +1 more source

Preparation and performance characterization of a new dust suppressant with a cross-linked network structure for use in open-pit coal mines

Environmental science and pollution research international, 2021
In an effort to control dust pollution in open-air environments such as pit coal mines and coal transportation systems, a new dust suppressant with a cross-linked network structure was prepared.
Hu-Jie Jin, Yansong Zhang, Nan Li, Junjie Yang, Ya Xi, Li Cai, Zhichao Pan   +6 more
semanticscholar   +1 more source

Numerical analysis of rainfall effects on the slope stability of open pit coal mines

E3S Web of Conferences, 2023
As the world transitions away from coal, vast areas of closed coal mines and waste dumps must be appropriately reclaimed. One critical element for these areas’ safety is slope stability, given the massive slopes of these mines and dumps.
A. Theocharis, I. Zevgolis, N. Koukouzas
semanticscholar   +1 more source

Study on mineralization behavior of CO2 by stimulated modified fly ash and inhibition of coal spontaneous combustion characteristics

Meitan xuebao
The use of fly ash mineralized CO2 material for preventing coal spontaneous combustion and storing CO2 is a new path of resource utilization that balances environmental benefits and engineering application value.
Yuntao LIANG, Weiwei SU, Zhenglong HE, Wei WANG, Baolong GUO, Yongming ZHANG, Yong SUN, Shuanglin SONG   +7 more
doaj   +1 more source