Zobrazeno 1 - 10
of 357
pro vyhledávání: '"Dynamic disaster"'
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 7, Pp 925-941 (2024)
In order to solve the problem that current theory models cannot accurately describe thick-hard roof (THR) elastic energy and assess the mine tremor disasters, a theoretical method, a Timoshenko beam theory on Winkler foundation was adopted to establi
Externí odkaz:
https://doaj.org/article/d37dbd1415984db4bdeba2780c0b4f06
Publikováno v:
International Journal of Coal Science & Technology, Vol 11, Iss 1, Pp 1-16 (2024)
Abstract To explore the static pressure dynamic disaster mechanism of coal-and-gas outburst (CGO) fluid, the self-developed multi-field coupling large-scale physical simulation test system of coal mine dynamic disaster was used to carry out gas outbu
Externí odkaz:
https://doaj.org/article/a9f95ffd54774b9c9eda110f0419404c
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-16 (2024)
Abstract It is essential to elucidate the mechanical mechanism of water injection and large-diameter drilling pressure relief measures on coal rock deformation and failure. This helps coal mines adopt more precise and effective dynamic disaster preve
Externí odkaz:
https://doaj.org/article/9bb2edc04dc64d658c7418d604481cf9
Publikováno v:
Meikuang Anquan, Vol 55, Iss 5, Pp 19-27 (2024)
With the increase in the depth and intensity of coal mining, some coal mines encounter the dual disaster threat of gas outburst and rockburst, and the composite gas-rockburst disaster has become a scientific and engineering problem that deserves more
Externí odkaz:
https://doaj.org/article/6e9fa9118e4e4ef585dc365eb237ac56
Publikováno v:
Gong-kuang zidonghua, Vol 50, Iss 4, Pp 18-32 (2024)
Coal-rock-gas composite dynamic disaster is a major safety hazard in deep coal mining. Exploring its disaster mechanism and developing monitoring, early warning, prevention and control technologies are key to prevention and control. Therefore, the 't
Externí odkaz:
https://doaj.org/article/107ea7db694640abb0df19bc99f9a158
Autor:
Hongkai Han, Zhengquan Hu, Yanwei Liu, Weiqin Zuo, Xiaozhen Wang, Can Shi, Yanyan He, Yuchun Qi
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 4, Pp 1551-1568 (2024)
Abstract In coal mines, the effective extraction of relief gas and the prevention of dynamic disasters depend on accurate predictions of the spatial distribution of mining stress in the overlying rock. However, at present, the prediction of stress re
Externí odkaz:
https://doaj.org/article/5375528ea52a4f30ba06d7b19b175d44
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 151-159 (2024)
In order to study the influence of loading rate on infrared radiation energy of siltstone during loading failure, and quantitatively analyze the change law of infrared radiation energy of siltstone during loading process, the infrared radiation exper
Externí odkaz:
https://doaj.org/article/004c918d4d074a618b386504f364b9be
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 1, Pp 1-25 (2024)
Coalburst is one of the most serious disasters that threaten the safe production of coal mines, and this disaster is particularly serious in China. This paper presents an overview of coalbursts in China since 1980s. From the ''stress and energy'' and
Externí odkaz:
https://doaj.org/article/4dcdcbe60142408cb46591b6b7d9e560
Editorial: Instability mechanisms and disaster prevention of coal and rock in deep underground space
Publikováno v:
Frontiers in Environmental Science, Vol 12 (2024)
Externí odkaz:
https://doaj.org/article/94243bb8f3a548f4b71c3a6eea984987
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
Dynamic disasters seriously threaten the safety and effectiveness in deep mining. The mechanism of stick-slip instability occurrence on the deep coal-rock structure was studied in this paper through analyzing the occurrence condition of stick-slip in
Externí odkaz:
https://doaj.org/article/003a89964a454e2ba8e932f7bf16101f