Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Yonglu Suo"'
Publikováno v:
Tehnički Vjesnik, Vol 31, Iss 6, Pp 2028-2035 (2024)
To explore the optimization design method of reasonable support parameters for large section roadway of shallow coal seam in Yulin area, this paper takes the support parameters of 3-1 coal return air roadway in North Second Panel of Hongliulin Coal M
Externí odkaz:
https://doaj.org/article/8def3de47f8a478b90fb266db7f542f8
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 12, Pp 3188-3208 (2023)
Layered backfill is commonly used in mining operations, and its mechanical behavior is strongly influenced by delamination parameters. In this study, 13 specimens with different numbers of delamination and delamination angle were prepared to investig
Externí odkaz:
https://doaj.org/article/c52ae29fed6341cc8838d205e54bed0c
Publikováno v:
Case Studies in Construction Materials, Vol 18, Iss , Pp e01778- (2023)
The utilization of industrial solid waste with potential cementitious activity to prepare low carbon, economic and environmental backfilling cementitious materials is an urgent issue in cemented paste backfill (CPB). In this work, the mechanical grin
Externí odkaz:
https://doaj.org/article/850ab214b8034f438280734e66895f9a
Publikováno v:
Tehnički Vjesnik, Vol 29, Iss 1, Pp 108-113 (2022)
There is abundant coal resource of Jurassic period in Yulin City, and the problem of shallow buried coal seams mining will occur in every mine area. FLAC3D is used to analyze the plastic failure, deformation characteristic, and vertical stress on sha
Externí odkaz:
https://doaj.org/article/757005626ffc4e40b3f587f6d3925ffd
Publikováno v:
Geofluids, Vol 2023 (2023)
Roadways with retained bottom coal are common in thick coal seam mining, and floor heaving is a prominent problem. In this study, based on the interaction between the floor and two sides of the roadway-surrounding rock, a Winkler elastic foundation b
Externí odkaz:
https://doaj.org/article/3ffca3381cb740cbbf61da415f7d3965
Publikováno v:
Advances in Civil Engineering, Vol 2023 (2023)
To explore the instability mechanisms of coal pillars in the upper coal during coal seam group mining in the Yulin area and hence to achieve safe and green mining of the lower coal seams, the engineering geological condition for no. 3−1, no. 4−2,
Externí odkaz:
https://doaj.org/article/413a5714ad7a4bf494866540b19e865a
Publikováno v:
Lithosphere, Vol 2022, Iss Special 13 (2022)
AbstractThe reservoir gas disaster has distinct characteristics and is a key factor that threatens the safe and green mining of coal mines in the costorage area of coal and petroleum resources. In order to solve the problem of prevention and control
Externí odkaz:
https://doaj.org/article/cf04e32f2ded4472ad648cced2c96e76
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Fracture structure characteristics are crucial for determining the fracture mechanism of coal mass and the migration law of oil and gas disasters. In this study, computed tomography (CT) scanning technology and fractal theory were used to investigate
Externí odkaz:
https://doaj.org/article/870153f8adc9442e914a4cd138202543
Publikováno v:
Applied Sciences, Vol 12, Iss 9, p 4499 (2022)
The dynamic evolution characteristics of fracture are crucial to analyzing the development of coal and rock mass instability, gas diffusion law, and dynamic disaster prediction. These characteristics affect coal rock fractures and gas-induced disaste
Externí odkaz:
https://doaj.org/article/b4f5e0c72ca244e9814e89b38fa4878c
Publikováno v:
Energies, Vol 13, Iss 21, p 5732 (2020)
Affected by high ground stress, the surrounding rock control of a roadway is one of the most important factors restricting the utilization of deep resources. Therefore, it is necessary to propose a method to improve the stress environment of the deep
Externí odkaz:
https://doaj.org/article/04af72ef614b49338da9258c1be65ff4