Results 11 to 20 of about 30,599 (256)

Reduction theory and technical system of underground coal mining [PDF]

open access: yesMeitan xuebao
The coal mining changes the overburden boundary conditions and causes the redistribution of the in-situ stress and the deformation, movement, fracture of overburden rock.
Quansheng LI
doaj   +2 more sources

Overburden Damage in High-Intensity Mining: Effects of Lithology and Formation Structure

open access: yesApplied Sciences
This study addresses pivotal scientific questions regarding the evolution of overburden strata during high-intensity mining in the Shendong coal mining area.
Teng Teng, Zhuhe Xu, Yuxuan Wang
doaj   +2 more sources

The Effect of Joint Damage on a Coal Wall and the Influence of Joints on the Abutment Pressure on a Fully Mechanised Working Face with Large Mining Height

open access: yesShock and Vibration, 2021
Coal wall spalling is regarded as a key technical problem influencing safe and efficient mining of large-mining-height working faces while the distribution of abutment pressure within the limit equilibrium zone (LEZ) influences coal wall spalling within ...
Weibin Guo, Shengwei Zhang, Yuhui Li
doaj   +2 more sources

Quantitative Identification of Internal and External Wire Rope Damage Based on VMD-AWT Noise Reduction and PSO-SVM

open access: yesEntropy, 2022
As a common load-bearing component, mining wire rope produces different types of damage during a long period of operation, especially in the case of damage inside the wire rope, which cannot be identified by the naked eye, and it is difficult to ...
Jie Tian   +5 more
doaj   +2 more sources

Modeling of information on the impact of mining exploitation on bridge objects in BIM

open access: yesE3S Web of Conferences, 2018
The article discusses the advantages of BIM (Building Information Modeling) technology in the management of bridge infrastructure on mining areas. The article shows the problems with information flow in the case of bridge objects located on mining areas ...
Bętkowski Piotr
doaj   +2 more sources

Ecological protection coal mining technology system and engineering practice [PDF]

open access: yesMeitan kexue jishu
In view of the large-scale and efficient coal mining in ecologically fragile areas, which causes a large scope, long cycle and high intensity of ecological impacts, and the lack of a systematic technology that integrates the whole cycle of mining, source
Quansheng LI   +6 more
doaj   +2 more sources

Numerical simulation of plant root system stress response to coal mining disturbances in semiarid mining areas [PDF]

open access: yesMeitan xuebao
Root damage is a critical ecological issue affecting vegetation in semi-arid underground coal mining areas. The mechanisms and influencing factors of root stress damage induced by stress changes in the root-soil layer due to mining-induced rock mass ...
Ying LIU   +8 more
doaj   +2 more sources

Mine Sited after Mine Activity: The Brownfields Methodology and Kuzbass Coal Mining Case

open access: yesResources, 2019
Operating life of a mine lasts from a few years to several decades. Mine closure occurs once the mineral resource is exhausted, or operations are no longer profitable.
Michal Cehlár   +6 more
doaj   +2 more sources

Study on the effect of layered structure of overlying strata on soil damage in mining areas in the loess covered region of northern Shaanxi [PDF]

open access: yesMeitan xuebao
Ecological protection in coal mining areas is a major problem that needs to be solved urgently for high-quality development in the Yellow River Basin. Scientific understanding of the response law of the overlying strata of the coal seam to the surface ...
Shuangming WANG   +7 more
doaj   +2 more sources

Disaster Related to Mining: Causes, Impact, and Lesson Learned

open access: yesInternational Journal of Disaster Management, 2017
This qualitative-descriptive study aimed to analyze the relationship among risk reduction , natural resource management and poverty as part of Sustainability Development Goals (SDGs) indicators. This research is part of a mandate research from government
Euis Sunarti   +3 more
doaj   +2 more sources

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