Comprehensive Evaluation and Decision for Goaf Based on Fuzzy Theory in Underground Metal Mine
Advances in Civil Engineering, 2022 In underground metal mines, goaf brings huge safety risks. It is an important part of mine to evaluate goaf stability and determine the best goaf handling measures.
Rongxing He +5 more
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The model of surface subsidence process at subsidence through formation [PDF]
, 2003 The character of surface subsidence is different and has its peculiarities at different stages of mining operations. The process of surface subsidence is especially different in the initial period of mining lava comparing with other stages of mining ...
Кучин, Александр Сергеевич +2 more
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Influence of Goaf on Stability of Transmission Line Tower Foundation [PDF]
E3S Web of Conferences, 2022 There are various rock mass structures in the overlying strata of the goaf, such as cavities, cracks and separation layers. The phenomenon of under compaction with these structures still exists. Under the action of various natural forces, loads and other
Zhang Siyuan +3 more
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Study on hazard zone of coal spontaneous combustion in adjacent goaf along working face
Meikuang Anquan, 2022 To explore the hazard zone of coal spontaneous combustion in the adiacent goaf at different stages of the roadway driving face, the 2202 working face and the 2201 adjacent goaf of Yingpanhao Coal Mine were taken as examples.
WANG Yang +4 more
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Safe and Efficient Coal Mining Below the Goaf: A Case Study
Energies, 2020 Mining at the fully mechanized working face below the goaf of the short-distance coal seam is influenced by the upper goaf. To address this problem, methods such as theoretical analyses, numerical simulation, and on-site measurement are used to study the
Weidong Pan, Shaopeng Zhang, Yi Liu
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Gong-kuang zidonghua, 2021 The shallow thick coal seam in the western mine area in China usually adopts the extraction ventilation method. The surface air leakage makes the wind flow disorderly, and the oxygen of the air penetrates the goaf and interacts with the residual coal in ...
XING Zhen
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Effect of rocks displacement activation on the formation of the surface trough during anthracite seams extraction [PDF]
, 2017 Purpose. To define peculiarities related to the formation of the dynamic and stationary half-troughs under the influence of anthracite seam extraction by adjacent faces. Methods.
Filatiev, M
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Study on the law of gas desorption under the condition of water flooding of the abandoned block coal in goaf [PDF]
E3S Web of Conferences, 2021 China's coal production has formed a large number of goaf, which contains a large amount of coal and coalbed methane resources. If these resources are stored in the goaf, it will not only cause a waste of resources, but also cause environmental pollution
Wang Ran, Wu Wenbin
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Ecological aspects of managing the stressed- deformed state of the mountain massif during the development of multiple coal layers [PDF]
, 2018 The ecological consequences of long-term development of coal deposits for the components of the environment, buildings, communications and infrastructure facilities have been analysed.
Borysovska, Olena +11 more
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Simulations of goaf surface subsidence via filling control
PLOS ONE, 2022 Xincheng Gold Mine is taken as an example to investigate the ground subsidence that results from filling. Both numerical simulations and simulation experiments are conducted to simulate the deformation process at the stope roof and bottom from excavation and filling.
Yong Yang +3 more
openaire +5 more sources