Zobrazeno 1 - 10
of 30
pro vyhledávání: '"rock burst mechanism"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 127-138 (2024)
The risk of rock burst during the retracement of large inclined workface in the deep tectonic area is high, in order to study the mechanism of rock burst and prevention and control technology for the retracement of the workface, the research is carri
Externí odkaz:
https://doaj.org/article/2bce40f4185c4a5c980baba3e90b5974
Mechanism of rock burst in deep coal tunnel surroundings due to three-way stress difference gradient
Publikováno v:
Meitan xuebao, Vol 48, Iss 5, Pp 2106-2122 (2023)
With the deep coal tunnel surrounding rock as the research object, in view of the serious rock burst hazards, incomplete rock burst mechanism research, and the lack of more targeted guidance on the prevention and control of rock burst engineering, in
Externí odkaz:
https://doaj.org/article/42f09a5ab7674b9ea51c8fa3fb146a59
Publikováno v:
Geomatics, Natural Hazards & Risk, Vol 13, Iss 1, Pp 1805-1830 (2022)
The variation of hard roof thickness is an essential contributor in triggering rock bursts during longwall mining. Case analysis and numerical modeling were used to study the stress and energy characteristics of the coal and rock mass and its fractur
Externí odkaz:
https://doaj.org/article/ffb53488243644a9b515e15528c4cb2d
Publikováno v:
矿业科学学报, Vol 6, Iss 6, Pp 651-658 (2021)
This paper puts forward the energy characteristics and mechanism elements of rock burst, and preliminarily establishes the evaluation index and system of roadway rock burst mechanism ("3 + 4" index system).The main criterion layer of the system is th
Externí odkaz:
https://doaj.org/article/570dcbfbb2c547739e05fe1ff59fe04e
Autor:
LIU Weijian, MA Binwen
Publikováno v:
Meikuang Anquan, Vol 51, Iss 3, Pp 148-152 (2020)
Aiming at the phenomenon of rock burst induced by wide coal pillars in thick hard coal seam in Hujierte Mining Area, the distribution characteristics of vertical stress of wide coal pillar has been analyzed by means of field measurement and numerical
Externí odkaz:
https://doaj.org/article/17c2ecce2cc5468b8c370892168f2022
Akademický článek
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Publikováno v:
Minerals, Vol 11, Iss 12, p 1438 (2021)
With the increase in coal mining depth, engineering geological conditions and the stress environment become more complex. Many rock bursts triggered by two combined faults have been observed in China, but the mechanism is not understood clearly. The
Externí odkaz:
https://doaj.org/article/4a0bc90c5aab45508706e721c872a02e
Publikováno v:
Royal Society Open Science, Vol 6, Iss 7 (2019)
Roadway driving along adjacent goafs is an effective method to develop the recovery rate of coal resources. However, rock burst triggered by dynamic destabilization of coal pillars poses a serious threat to safe and efficient mining, thereby signific
Externí odkaz:
https://doaj.org/article/b4e7614893a44166bd35b9379ea827fd
Akademický článek
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Akademický článek
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