Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Jieyang Ma"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-20 (2024)
Abstract Study of the interaction between fault activation and mining stress evolution in the longwall working face is helpful to provide a targeted area for fault type heavy mine pressure disaster control. Combining theoretical analysis, physical an
Externí odkaz:
https://doaj.org/article/8524d6f5ab5c495385606a3759a032c3
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract The geological phenomenon of igneous rock invading coal seam is widely distributed, which induces mining risk and affects efficient mining. The pre-splitting blasting method of igneous rock is feasible but difficult to implement accurately,
Externí odkaz:
https://doaj.org/article/d75a903f73ed42ceb3812778726ce36a
Publikováno v:
Case Studies in Thermal Engineering, Vol 61, Iss , Pp 104918- (2024)
The aim of this paper is to explore hydrothermal transport in surrounding rocks during deep mining, focusing on the mechanisms and key factors influencing groundwater seepage and heat accumulation disasters. Stress–seepage coupling tests were condu
Externí odkaz:
https://doaj.org/article/ce7c310f7ceb4547b9b71112f6b30456
Key Bearing Structure Instability Mechanism: A Case Study in Mining Under Close-Distance Coal Pillar
Publikováno v:
Geofluids, Vol 2024 (2024)
This study is aimed at solving the issue of mining under the boundary coal pillar of the close-distance coal seam that causes roof falling. This study established a new key bearing structure model for analyzing the structural instability mechanism wh
Externí odkaz:
https://doaj.org/article/59fcd74c13264006a6f559b3bacf7d25
Publikováno v:
International Journal of Coal Science & Technology, Vol 10, Iss 1, Pp 1-16 (2023)
Abstract In the present research, we proposed a scheme to address the issues of severe heat damage, high energy consumption, low cooling system efficiency, and wastage of cold capacity in mines. To elucidate the seasonal variations of environmental t
Externí odkaz:
https://doaj.org/article/856c38b9c454427cb8c4f4198ebd2e58
Autor:
Long Tang, Shihao Tu, Hongsheng Tu, Kaijun Miao, Wenlong Li, Hongbin Zhao, Jieyang Ma, Lei Zhang
Publikováno v:
Fractal and Fractional, Vol 8, Iss 4, p 240 (2024)
In order to explore the influence of dip angles on the deformation and failure of a coal–rock combination, uniaxial compression experiments were carried out on a coal–rock combination with different dip angles, and the acoustic emissions (hereina
Externí odkaz:
https://doaj.org/article/5ce7f9ebaeaa4ee18f6ca79144c236c0
Autor:
Xun Liu, Shihao Tu, Hongsheng Tu, Long Tang, Jieyang Ma, Yan Li, Wenlong Li, Kaijun Miao, Hao Tian
Publikováno v:
Geofluids, Vol 2023 (2023)
The caving characteristics of the goaf significantly impact the mining stability of the working face. The coal-forming environment of the steeply dipping coal seam is complex. After mining, the caving rock mass rolls to the lower part of the working
Externí odkaz:
https://doaj.org/article/21602b0265f5461696b53897d7e0cda2
Autor:
Kaijun Miao, Shihao Tu, Hongsheng Tu, Xun Liu, Wenlong Li, Hongbin Zhao, Long Tang, Jieyang Ma, Yan Li
Publikováno v:
Fractal and Fractional, Vol 6, Iss 9, p 486 (2022)
A fractal realizes the quantitative characterization of complex and disordered mining fracture networks, and it is of great significance to grasp the fractal characteristics of rock movement law to guide mine production. To prevent the water-conducti
Externí odkaz:
https://doaj.org/article/e3feb4acfd2441fc8331b20cd7130df4
Autor:
Wenlong Li, Shihao Tu, Hongsheng Tu, Xun Liu, Kaijun Miao, Hongbin Zhao, Jieyang Ma, Long Tang, Yan Li
Publikováno v:
Sustainability; Volume 14; Issue 22; Pages: 15054
Roof-type rock burst (RTRB) frequently occurs in the hard, thick roof of working faces, which causes roadway failure, facility damage and even personnel casualties. Previous research results show that mining speed has obvious effects on the rock burs
Autor:
Long Tang, Shihao Tu, Hongsheng Tu, Xun Liu, Kaijun Miao, Wenlong Li, Hongbin Zhao, Jieyang Ma, Yan Li
The stability of section coal pillar in steeply inclined coal seam under mountain landform is beneficial to the stability of surface and mountain. Based on the engineering background of N2821 working face in Fengchun coal mine, the force model of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84991ba47e49baf2c39249920b6c15cc
https://doi.org/10.21203/rs.3.rs-2137023/v1
https://doi.org/10.21203/rs.3.rs-2137023/v1