Results 21 to 30 of about 1,551 (198)

Research on production capacity planning method of open-pit coal mine

Scientific Reports, 2023
Abstract Reasonable production capacity is related to the economic benefits of an open-pit coal mine. This study analyzes the relationship between the working face length, the annual advancing speed and the production capacity. It constructs a production capacity function relationship model. Take the Baorixile open-pit coal mine as an
Guangwei Liu, Weiqiang Guo, Senlin Chai, Jiaming Li   +3 more
openaire   +3 more sources

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

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

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

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

Monitoring of ecosystem changes in open-pit coal mines based on segmentation of multi-dimensional hypervolume

Meitan kexue jishu
Open-pit coal mining and ecological restoration jointly drive significant changes in the mine ecosystem. In the new era, monitoring and evaluation of mine land reclamation and ecological restoration consider ecosystem degradation and recovery as ...
Yongjun YANG, Xiuwen XIA, Jing DONG, Xinxin CHEN, Yufan XU, Shaogang LEI   +5 more
doaj   +1 more source

Review on seismic response of tunnel engineering: from dynamic characteristics of rock mass to structural earthquake-resistant analysis

Meitan xuebao
Although tunnel structures are confined by the surrounding strata, and relative movement between the structure and strata is not obvious under seismic loads, resulting in significantly superior seismic performance compared to surface structures, they are
Yujing JIANG, Xingda WANG, Xuepeng ZHANG
doaj   +1 more source

Application of Raman-infrared spectroscopy in the evaluation of organic matter characteristics and thermal maturity of highly-to overmature source rocks

Unconventional Resources
With the increasing depletion of conventional oil and gas resources, deep to ultra-deep petroleum resources have become a critical direction for global energy strategies. The scientific evaluation of highly-to overmature source rocks developed in deep to
Zhuanghao Peng, Xiangchun Chang, Guanlong Zhang, Bingbing Shi, Ruichao Guo, Junjian Zhang, Chenyu Wang, Shangbin Wang, Yuxuan Li, Zhaolin Li   +9 more
doaj   +1 more source

The histogram method of locating the capacity for internal dump at open pit coal mines in the Kemerovo region [PDF]

Vestnik MGTU, 2016
Using the special method of mining-geometric analysis of a pit field the criteria graphical histogram dependences determining the choice of location for the container inner blades to the regime of current pit field have been built and evaluated.
Selyukov A. V.
doaj   +1 more source

Exploring the Effectiveness of Fusing Synchronous/Asynchronous Airborne Hyperspectral and LiDAR Data for Plant Species Classification in Semi-Arid Mining Areas

Remote Sensing
Plant species classification in semi-arid mining areas is of great significance in assessing the environmental impacts and ecological restoration effects of coal mining.
Yu Tian, Zehao Feng, Lixiao Tu, Chuning Ji, Jiazheng Han, Yibo Zhao, You Zhou   +6 more
doaj   +1 more source