Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Junpeng ZOU"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 8, Pp 23-35 (2024)
The success of gangue support in roof cutting and retaining roadway depends on the evolution process of gangue side and its lateral pressure distribution. Based on the engineering background of Xinghua Coal Mine, this paper analyzes the mechanical ch
Externí odkaz:
https://doaj.org/article/2e5e0f02666248889f0d829bf6ff5181
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-14 (2024)
Abstract To address the issue of roadway support failure in narrow coal pillars under dual-lane layout, this study takes the 4309 working face of Changping Coal Mine as the engineering background and employs theoretical calculations, numerical simula
Externí odkaz:
https://doaj.org/article/2c44fc50b0bc40f9961dfc4fd1b59197
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract With the gradual shift of coal mining to the western coal mining region of China, floor heave in weakly cemented mudstone roadways has become an issue affecting the safety and efficiency of coal mine production. Additionally, different minin
Externí odkaz:
https://doaj.org/article/66885f7334f04325816fdce95361176e
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 6, Pp 1977-1992 (2024)
As a calculation method based on the Galerkin variation, the numerical manifold method (NMM) adopts a double covering system, which can easily deal with discontinuous deformation problems and has a high calculation accuracy. Aiming at the thermo-mech
Externí odkaz:
https://doaj.org/article/fcd6915046404fcea686dc4bb5dbc101
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-18 (2024)
Abstract Mining-induced earthquakes are unnatural seismic events that frequently occur in high-position hard and thick rock strata during coal mining. Considering the frequent occurrence of strong mining-induced earthquakes in the Dongtan mining area
Externí odkaz:
https://doaj.org/article/63855369688f4582aa70981bc76547ac
Autor:
Mingbo Chi, Haibo Tang, Dapeng Liu, Dongdong Wang, Chuangchuang Dai, Junpeng Zou, Quanwu Gao, Gan Feng
Publikováno v:
Heliyon, Vol 10, Iss 10, Pp e30679- (2024)
This study explores the causes of coal bursts in the Xinzhou Kiln Mine, identifying key factors such as residual pillars, hard coal seams and/or roofs, stress concentration due to complex geological structures, and the stress distribution characteris
Externí odkaz:
https://doaj.org/article/5b6516bcf9c94b348bccedbafee1faa5
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
As coal resources are gradually being extracted at depth, the overlying strata movement behavior and stress environment become complex and violent, leading to the frequent triggering of strong dynamic hazards. To promote the productivity and effectiv
Externí odkaz:
https://doaj.org/article/fa0f24cd40424a5ab29a61223bb31620
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
The surface subsidence caused by the coal seam mining seriously affects the ecology of the mining area. Compared with the single-coal seam mining, the mechanism of the overburden fracture and crack propagation caused by multi-coal seams mining is mor
Externí odkaz:
https://doaj.org/article/0454e893f71e4a79b4f7d0dca4bf27bf
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 1209 (2024)
This study proposes a new form of underground diaphragm wall foundation with hexagonal sections, called the grid pile foundation (GPF), which is used for long-span bridges. To investigate the lateral bearing capacity characteristics of the integrated
Externí odkaz:
https://doaj.org/article/c09f002c3cd448b0b6c0bdefbf330c69
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11588 (2023)
The ground surface deformation induced by shield tunnels passing through enclosure structures of existing tunnels is a particular underground construction scenario that has been encountered in Wuhan Metro Line 12 engineering cases in China. Timely gr
Externí odkaz:
https://doaj.org/article/49990ba9dd354f7e8d590b6aba3e4ddb