Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Xinghai Lei"'
Autor:
Xiangyang JIN, Yang LI, Lei YU, Yaona LI, Xinghai LEI, Nan WANG, Mingci YAN, Xue XIA, Yuqi REN
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 4, Pp 131-142 (2024)
Coal mining areas serve as pivotal bases for coal production, holding significant importance for local economies and energy supply. In the development of China’s energy and environmental protection, the planning of mining areas plays a crucial role
Externí odkaz:
https://doaj.org/article/25cfcd890b8047739db71cf733a127e0
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
Given the growing popularity of fully mechanized longwall mining, hydraulic shields have emerged as the most crucial pieces of equipment whose rated support capacities are a significant assurance for safe extraction of coal seams. Based on the extrac
Externí odkaz:
https://doaj.org/article/7218011435cd49649c1a0aaf87f0854e
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
We determine the key issues of the reasonable supporting capacity of a shield and the shield selection in the panel face in a deep and thick coal seam. The No.232204 panel face of the Meihuajing mine in the Yuanyanghu mining area is taken as the rese
Externí odkaz:
https://doaj.org/article/9af0f425aafe4a07bfdd6cf5c87f4372
Publikováno v:
PLoS ONE, Vol 17, Iss 10 (2022)
In order to assess the rationality of the rated shield support capacity (RSSC) experienced selection and guide the reasonable RSSC selection for the subsequent working faces of each coal seam, the coupling relationship between shield and roof strata
Externí odkaz:
https://doaj.org/article/e8749658bf424d6b9ea89a4ae1e64a69
Publikováno v:
Geotechnical and Geological Engineering. 40:4345-4356
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f30c43de194bd96f4c738197e17afca3
https://doi.org/10.1007/s10706-022-02158-x
https://doi.org/10.1007/s10706-022-02158-x
Autor:
Yang Li, Xinghai Lei, Nan Wang, Yuqi Ren, Xiangyang Jin, Guoshuai Li, Tiezheng Li, Xiangji Ou
Water inrush at roof area seriously affects the safety of coal mines. The characteristics of aquifer and aquiclude at Wutongzhuang Mine are analyzed. Considering the effect of seepage field, a formula for calculating the height of water-conducting fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2d375c29a2a19e9a4ccd57709919e10
https://doi.org/10.21203/rs.3.rs-2043497/v1
https://doi.org/10.21203/rs.3.rs-2043497/v1
Publikováno v:
Journal of Materials Engineering and Performance. 29:6701-6713
This work experimentally studied the weld-seam cross section characteristics and the fatigue performance of AA2024 aluminum alloy friction stir linear welded joints. The Vickers hardness values on the cross section of the weld-seam have a tendency of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdae03d342050947f96b17159eead36a
https://doi.org/10.1007/s11665-020-05145-6
https://doi.org/10.1007/s11665-020-05145-6