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Ning Zhang, Anye Cao, Weiwei Zhao, Qi Hao, Guowei Lv and Baixuan Wu
There is a very thick water-bearing key strata above the coal seam in the Binchang mining area. When the mining scale is large, it easily breaks and leads to rockburst with a surge of water gushing in the panel. Adopting the layout pattern of a small pan...
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Fangrui Li, Jie Guo, Fengshan Ma, Guang Li and Yewei Song
At present, when addressing the problem of fault stability in mines, most attention is paid to the study of the impact of a single mining method on faults. In order to study fault stability in mines more comprehensively, this paper researches the effect ...
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Fajin Zu, Chao Du, Chunpeng Han, Lanyu Xu and Qiuying Peng
The disturbance depth of traffic load has a direct impact on the stability of a room-and-pillar mining goaf. To quantitatively calculate the relationship between the traffic load disturbance depth and influencing factors, 49 groups of horizontal combinat...
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Quanhui Liu, Yuanbo Xue, Dan Ma and Qiang Li
Groundwater inrush hazard has always been a great threat to the construction of vertical shafts in coal mines. Generally, the failure of the water-resisting coal pillar under coupled stress-seepage conditions around the vertical shaft is the main reason ...
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Mahmood Ahmad, Naser A. Al-Shayea, Xiao-Wei Tang, Arshad Jamal, Hasan M. Al-Ahmadi and Feezan Ahmad
Predicting pillar stability in underground mines is a critical problem because the instability of the pillar can cause large-scale collapse hazards. To predict the pillar stability for underground coal and stone mines, two new models (random tree and C4....
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Zhiyong Zhang, Diego Arosio, Azadeh Hojat and Luigi Zanzi
To monitor the stability of a mountain slope in northern Italy, microseismic monitoring technique has been used since 2013. Locating microseismic events is a basic step of this technique. We performed a seismic tomographic survey on the mountain surface ...
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Ruipeng Qian, Guorui Feng, Jun Guo, Pengfei Wang and Haina Jiang
The stability of water-preventing coal pillar plays an important role in preventing gob water inrush. The gob side of the water-preventing coal pillar is soaked in a certain height of mine water. Different soaking heights may affect the stability of coal...
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Dejana Pavlovic, Tijana Obradovic, Dragan Bjelica
Pág. 33 - 46
Research Question: Improvement of the educational system facilitate the access to labour market and affect the stability, and affect the competitiveness index. On the other hand, the country with a high score of GCI have a better educational system and m...
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Sebastian Barnes,Jarmila Botev,Lukasz Rawdanowicz,
Pág. 29
Europe has put in place a new system of complex fiscal rules. These include the so-called six pack to upgrade the Stability and Growth Pact and a new Treaty incorporating the fiscal compact. Much of the discussion about the new rules has been procedural ...
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