Results 21 to 30 of about 173,890 (311)

Study on Complexity Planning Model of Pumped Storage in Abandoned Open-Pit Mine: A Case Study of Fushun Open-Pit Mine

Frontiers in Earth Science, 2022
Open-pit mining is one of the main exploiting methods for solid mineral resources. After more than 100 years of high-intensity development, there are a large number of abandoned open-pit mines and related mining relics in the world. The reconstruction of
Pingjia Luo, Xueqi Han, Ning Chen
doaj   +1 more source

Perspectives for the Transportless Mining Technology in Siberia and Far East Coal Deposits [PDF]

E3S Web of Conferences, 2019
In accordance with the long-term program for the coal industry development in Russia until 2030, the growth in the share of the Far East Federal District in the total coal production should be 2.5% compared to 2018.
Markov Sergey, Janočko Juraj, Tyulenev Maxim, Litvin Yaroslav   +3 more
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Comprehensive Treatment and Utilization Ideas of Environmental Geological Disasters in Mining City Open-pit Mine

Meikuang Anquan, 2020
In order to study the comprehensive treatment and utilization ideas of environmental geological disasters in mining city open-pit mines, the distribution of mining cities across the country have been investigated.
MIAO Haibin, ZHAO He, WANG Haiyang
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Influence of coal spontaneous combustion on slope stability of high and steep open-pit mine and countermeasures

Meikuang Anquan, 2022
In order to explore the influence of coal seam spontaneous combustion process on slope stability, the slope slip process under different coal seam spontaneous combustion depths was simulated by using FLAC3D based on the engineering background of Hequ ...
LUO Ke, GAO Yu, ZHANG Bin
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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
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Controlled mining technology of multi-weak bedding down-dipping soft rock slope

Meikuang Anquan
Aiming at the problem of coal at the lower part of multi-weak bedding down-dipping soft rock slope, from the perspective of controllable slope deformation risk and the maximization of resource recovery, based on the analysis of geological data and weak ...
Jiao WANG, Qingdi CUI, Chengjiang LIANG, Daolong QU, Haiyang FENG, Hanquan LIU   +5 more
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Research on characteristics and prediction of vehicle speed in open-pit mines based on spatiotemporal and meteorological factors

Gong-kuang zidonghua
Existing prediction models for vehicle speed in open-pit mines do not fully consider the influence of meteorological factors on operating speed. The data sample sets are insufficient to train or fine-tune deep learning models.
QU Daolong, FU Ensan, PAN Fei, LIU Hanquan, YANG Yanfeng, LIU Guangwei   +5 more
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Technology and application of damage reduction mining and ecosystem restoration of open-pit coal mines in eastern grassland area

Meitan kexue jishu, 2023
The eastern grassland region is an important coal energy base in China, and coal development has made great contributions to the energy security supply of the northeast region and the economic development of China. In response to the problems of cold and
LI Quansheng, LI Lin
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Improved differential evolution algorithm for solving open-pit mine transportation problem

Gong-kuang zidonghua, 2018
Aiming at open-pit mine transportation problem, a mathematical model of the open-pit mine transportation problem was established which took production and transportation capacity of open-pit mine as constraint conditions and the minimum transportation ...
PENG Cheng, SUI Xiaomei, WANG Huiju
doaj   +1 more source

Small Target Detection Model for Open-Pit Coal Mines Based on UAV Perspective

IEEE Access
To address issues such as missed detection of small targets, low computational efficiency, and difficulties in deploying on edge devices encountered in the detection of uncrewed mining trucks under the complex environment of open-pit coal mines, this ...
Kuan Lv, Haili Yu, Xiangchun Meng, Wenshuai Yang, Haobo Zhang   +4 more
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