Results 1 to 10 of about 46,400 (239)

Impact and elastic modulus of coal mining on terrestrial ecosystems [PDF]

open access: yesScientific Reports
The energy consumption structure is gradually evolving into a "diversified energy structure" against the backdrop of the global implementation of energy-saving and low-carbon policies.
Jihong Dong   +5 more
doaj   +2 more sources

Mechanism of reverse deformation increase in the virgin coal rib compared to the pillar rib of the gob-side entry in an extra-thick coal seam [PDF]

open access: yesScientific Reports
The advantage of applying gob-side entries (GSEs) with narrow coal pillars in extra-thick coal seams to improve the recovery rate is particularly significant.
Wenrui He, Dongdong Chen, Hengzhong Zhu
doaj   +2 more sources

Platform Design and Key Technology Application of Autonomous Haulage System in Open-pit Coal Mines

open access: yesKongzhi Yu Xinxi Jishu, 2022
In view of the problems of high-cost, high-risk and low efficiency existing in the transportation system of open-pit coal mines, this paper puts forward a platform construction idea of deep integration of information technology and mining technology, and
HE Aiping
doaj   +3 more sources

Analysis of development situation and countermeasures of high quality safety in open-pit coal mines

open access: yesMeikuang Anquan, 2022
In order to further promote the development of open-pit coal mines with high quality and safety, increase the proportion of open-pit coal output, and enhance the overall level of safety production in China’s coal mines, the analysis of the development ...
ZHAO Hao
doaj   +1 more source

The Experience of Implementation of Innovative Technology of Quarry Waste Water Purifying in Kuzbass Open Pit [PDF]

open access: yes, 2016
Among all industries in Kuzbass (Western Siberia, Russia) the coal industry provides the most environmental threat. However, the construction of new and maintenance of existing open pit mines do not often correspond to the tasks of improving the ...
Hellmer, M. C., Lesin, Yury Vasilievich
core   +2 more sources

Optimization of Land Saving and Loss Reducing and Slope Stability Variation Patterns in Open-Pit Mine

open access: yesGeofluids, 2021
This study presents different land saving and loss reducing schemes. Comprehensively compare the economic benefits of the schemes. It is shown that the optimal scheme can recover tons of coal resources on the south slope, creating significant economic ...
Tongsuo Guo   +9 more
doaj   +1 more source

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

open access: yes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   +5 more
doaj   +1 more source

Monitoring Mining Activities Using Sentinel-1A InSAR Coherence in Open-Pit Coal Mines

open access: yesRemote Sensing, 2021
Long-term continuous monitoring of the mining activities in open-pit coal mines is conducive to planning and management of the mining operations. Additionally, this faciliatates assessment on their environmental impact and supervises illegal mining ...
Lili Wang   +4 more
doaj   +1 more source

Physical and Chemical Characteristics of Explosive Dust at Large Open-Pit Coal Mines in Inner Mongolia, China and Dust Control Research

open access: yesAtmosphere, 2023
To further promote dust control efforts in Chinese open-pit coal mines, this study focuses on the research of coal dust and rock dust produced by different explosions in the Haerwusu open-pit coal mine in China.
Junlong Yan   +5 more
doaj   +1 more source

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

open access: yesMeitan 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   +3 more
doaj   +1 more source

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