Results 1 to 10 of about 16,550,397 (137)

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

Remote 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, Liao Yang, Weisheng Wang, Baili Chen, Xiaolin Sun   +4 more
doaj   +4 more sources

Revealing Long-Term Displacement and Evolution of Open-Pit Coal Mines Using SBAS-InSAR and DS-InSAR

Remote Sensing
Coal mines play an important role in the global energy supply. Monitoring the displacement of open-pit mines is crucial to preventing geological disasters, such as landslides and surface displacement, caused by high-intensity mining activities. In recent
Zechao Bai, Fuquan Zhao, Jiqing Wang, Jun Li, Yanping Wang, Yang Li, Yun Lin, Wenjie Shen   +7 more
doaj   +4 more sources

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

Meikuang 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   +2 more sources

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

Kongzhi 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   +4 more sources

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

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   +2 more sources

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

Atmosphere, 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, Zhiming Wang, Xiang Lu, Yuejinyi Wu, Huaiting Luo, Xin Liu   +5 more
doaj   +3 more sources

Geopolymer-based modification of blasting sealing materials and optimization of blasting block size in coal seams of open pit mines

International Journal of Mining Science and Technology, 2023
This research proposes the utilization of a geopolymer-based blasting sealing material to improve the profitability of coal sales and reduce the rate of coal fragmentation during blasting in open pit mines.
Xiaohua Ding, Zhongchen Ao, Wei Zhou, Hao Qin, Zhongao Yang, Wen An, Xiaoshuang Li, Honglin Liu   +7 more
doaj   +3 more sources

Characteristics of dust pollution and its influencing factors during cold period of open-pit coal mines in northern China

Frontiers in Earth Science
IntroductionWinter dust pollution in China’s northern open-pit coal mines is serious, and the prevention and control of winter dust pollution is one of the important problems in the construction of green mines in northern open-pit coal mines.MethodsIn ...
Heng Wang, Zhiming Wang, Zhiming Wang, Ruixin Wang, Ruixin Wang   +4 more
doaj   +3 more sources

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

Geofluids, 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, Wei Zhou, Zhaolin Li, Chuanwei Zhang, Qingxiang Cai, Ya Tian, Huairui Qin, Fuming Liu, Izhar Mithal Jiskani, Dongxu Zhang   +9 more
doaj   +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