Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Haiqing Shuang"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 102-113 (2024)
Aiming at the problem of changing the distribution of overburden fissures in the overhead mining area due to the cutting and retaining roadway process, the stress distribution, overburden transport and mining fissure distribution law in the mining zo
Externí odkaz:
https://doaj.org/article/3aa20dfd15a942d4af399ac601af361b
Publikováno v:
Meikuang Anquan, Vol 55, Iss 3, Pp 25-35 (2024)
In order to study the evolution law of gas transportation and storage area under different advancing speed of fully-mechanized working face, based on the overview of coal mine project, we analyzed the effect of overburden mining advancing speed by us
Externí odkaz:
https://doaj.org/article/1a9db36b40be4562ae9832fafbee5920
Autor:
Pengxiang ZHAO, Yulong WANG, Shugang LI, Haifei LIN, Shikui JIN, Risheng ZHUO, Haiqing SHUANG
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 71-83 (2023)
In order to study the division method and fractal characteristics of the overburden gas slow permeability zone in up-dip fully mechanized face of inclined thick coal seam, based on the fractal theory and grey theory, the plane physical similarity sim
Externí odkaz:
https://doaj.org/article/fc46b6be768746609af76480f05782ec
Publikováno v:
Energy Science & Engineering, Vol 9, Iss 4, Pp 520-534 (2021)
Abstract To prevent outbursts and extract the gas, it is necessary to investigate the structure of the key layer and the evolution of cracks during coal mining over a large height. A physical similarity model with a geometric similarity ratio of 1:10
Externí odkaz:
https://doaj.org/article/61faba8a22604c33bf84596a74c512a7
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
Gas disasters have been always a major hidden danger that affects mining safety in coal mines. Gas drainage by drilling is the fundamental method of gas control in coal mines. In view of the low-permeability coal seam, it is the basis of the safe and
Externí odkaz:
https://doaj.org/article/6d77ab624d314479ad2b707f38d67e69
Publikováno v:
Energies, Vol 14, Iss 21, p 7031 (2021)
The process of underground coal mining fractures the overlying strata and may provide storage and transportation space for gas by changing the roof rock permeability, which is released by pressure after mining. This paper adopts the experimental meth
Externí odkaz:
https://doaj.org/article/35bbeac36d0c4d7ebba15b12bb54e3d3
Publikováno v:
Sustainability; Volume 14; Issue 24; Pages: 16908
The key parameters of high-level boreholes in high drainage roadways affect the gas treatment effect of the working face directly. Therefore, the layout parameters of high-level boreholes in the lateral high drainage roadway (LHDR) are determined and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cca05af1c3eb6b5aa23edfa5f25bc149
Publikováno v:
Process Safety and Environmental Protection. 154:410-424
Surfactant-enhanced water spray technology, one of the most economical and efficient dust suppression technologies, is widely used for dust control in mining. Unfortunately, current research on this technology appears to be scattered, and the results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a51924d8b62868a9e0d382b1f6e59c1
https://doi.org/10.1016/j.psep.2021.08.037
https://doi.org/10.1016/j.psep.2021.08.037
Publikováno v:
Physics and Chemistry of Minerals. 46:947-957
The dislocation properties of intermetallic compound (IMC) B2-AlPr in {110} plane is studied in detail based on the truncated approximation method in this paper. The results suggest that the core width of screw dislocation and edge dislocation of Bur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::468441854be259705664db1837d265ab
https://doi.org/10.1007/s00269-019-01054-w
https://doi.org/10.1007/s00269-019-01054-w
Publikováno v:
Journal of Cleaner Production. 217:267-283
Respirable dust pollution at an underground heading face driven with continuous miner was detected during a ventilation survey. In order to obtain fundamental understandings of the airflow patterns and the respirable dust dispersion characteristics w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95e028f37177632d030eef827d5da6b6
https://doi.org/10.1016/j.jclepro.2019.01.273
https://doi.org/10.1016/j.jclepro.2019.01.273