Zobrazeno 1 - 10
of 7 601
pro vyhledávání: '"OUTBURST"'
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-21 (2024)
Abstract In the realm of deep earth engineering, increasing excavation depths present formidable challenges like heightened ground stress, permeability, temperatures, and disruptive excavation effects, posing significant safety risks. Scholars predom
Externí odkaz:
https://doaj.org/article/b72584a9c7694188943c98ee4b862191
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5171-5184 (2024)
Abstract Coal elasticity and gas expansion are important factors for coal and gas outburst. During the outburst process, the elastic strain energy of coal is mainly released from the stress region, and the gas expansion energy near the working face i
Externí odkaz:
https://doaj.org/article/719777b27e534d0493dfe3a507c5710a
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 77-83 (2024)
Based on the thermo-fluid-solid coupling law of coal and gas outburst in deep mining, a numerical model of coal and gas outburst is established, and the response of multi-physical parameters in the whole process of coal and gas outburst under high st
Externí odkaz:
https://doaj.org/article/2aae8d94c2d14efb8f94040235f9fca4
Publikováno v:
Meikuang Anquan, Vol 55, Iss 11, Pp 41-48 (2024)
Coal and gas outburst is one of the most serious kinetic disasters in coal mines, and the use of gas hydrate curing technology to reduce the gas pressure and its gradient in the coal body can reduce the probability of coal and gas outburst accidents.
Externí odkaz:
https://doaj.org/article/a1a59df3340044e0a26e3112fe32ca81
Autor:
Qihan Ren, Jianjun Cao
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Coal (Rock) pillar retaining in the mining of protective layer would cause gas dynamic disaster in the protected layer. Based on the gas geological conditions of the two-layer coal seam in Jinhe Coal Mine of Yaojie Mining District, the stres
Externí odkaz:
https://doaj.org/article/8a6607e5252d4732a30bd4cb56d17806
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:
Arctic Science, Vol 10, Iss 3, Pp 583-595 (2024)
Dań Zhùr (Donjek) Glacier is a surge-type glacier that undergoes cyclical periods of rapid advance over ∼1–2 years, followed by retreat for ∼10 years. Since the 1990s, the advances have caused the formation of ice-dammed Dań Zhùr Lake, whic
Externí odkaz:
https://doaj.org/article/825e66f3a7794f15a1de400c567bd181
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 74-82 (2024)
With the increasing depth of coal seam mining in China, the consequences of coal and gas outburst accidents are becoming more and more serious, which poses a great threat to mine safety production. Tectonic coal is one of the main coal sample types p
Externí odkaz:
https://doaj.org/article/26f024cc61874ebda76fb88744db323a
Autor:
Zhiming YAN, Xinsheng ZHANG, Junsheng ZHANG, Baige YANG, Yunxing CAO, Shumin LI, Runping DONG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 63-73 (2024)
Coal mine disasters caused by coal and gas outbursts are severe in China. Currently, static and dynamic technologies are mainly used to address the difficult gas control problem. The gas control mechanism of the composite technology of cavity making
Externí odkaz:
https://doaj.org/article/e25db2ca03214e2591530ad8e4b5ecfd
Autor:
ZHANG Shu, ZHANG Shuang-Nan
Publikováno v:
Kongjian kexue xuebao, Vol 44, Pp 643-667 (2024)
Since the launch in June 2017, Insight-HXMT has been in service smoothly in orbit and particularly productive in 2023 and 2024. Among a total number of 238 papers published so far based on Insight-HXMT data, 63 were published in 2023, and 32 in the e
Externí odkaz:
https://doaj.org/article/cca7c4bc5140459789d8f84f818e5228