Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Guangliang Feng"'
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 2, Pp 101-112 (2024)
The rock mass structural plane constitutes the weakest part of the rock mass. Accurate and efficient identification of rock mass structural plane and extraction of characteristic information can provide an important basis for the rock mass stability
Externí odkaz:
https://doaj.org/article/41c1acd7051e4d3db598210d6294295f
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 2, Pp 77-89 (2024)
The bank slope rock mass below the flood control restricted water level (145 m) in the Three Gorges Reservoir area has experienced long-term immersion in the process of reservoir water lifting and lowering; the water level changes lead to the rock ma
Externí odkaz:
https://doaj.org/article/e2f316a9d8704bd9adc2f6a02ba35870
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 1, Pp 117-136 (2024)
Mechanical excavation, blasting, adjacent rockburst and fracture slip that occur during mining excavation impose dynamic loads on the rock mass, leading to further fracture of damaged surrounding rock in three-dimensional high-stress and even causing
Externí odkaz:
https://doaj.org/article/5c909e2656fb49a8a4e7b6b17451edf0
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 4, Pp 437-446 (2023)
The damage-fracture evolution of deep rock mass has obvious particularity, which is revealed in 2400-m-deep tunnels by field tests. The evolution of the excavation damaged zone depth is consistent with that of the fractured zone depth. The ratio of t
Externí odkaz:
https://doaj.org/article/e11c7b9ef9c2475698491d327124282d
Publikováno v:
Materials, Vol 17, Iss 10, p 2290 (2024)
In deep underground engineering, the deformation, failure characteristics, and mechanism of surrounding rock under the influence of grain sizes and mineral compositions are not clear. Based on CJPL-II variously colored marbles, the differences in gra
Externí odkaz:
https://doaj.org/article/65fc5280d40342c8a302984e73e922e5
Publikováno v:
Remote Sensing, Vol 16, Iss 8, p 1310 (2024)
Ground-penetrating radar (GPR) faces complex challenges in identifying underground rock formations and lithological structures. The diversity, intricate shapes, and electromagnetic properties of subsurface rock formations make their accurate detectio
Externí odkaz:
https://doaj.org/article/8804aea824024fbba9f50c09df059f59
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
Rock mass failure is gradually becoming more common as the number of geotechnical engineering projects continues to increase. In this paper, the probability density distributions of initial and peak frequency events in the acoustic emission (AE) from
Externí odkaz:
https://doaj.org/article/dfa878800e23445998f3e95a9c151b8b
Publikováno v:
Materials, Vol 16, Iss 17, p 5987 (2023)
Deep underground engineering encounters substantial layered hard rock formations, and the engineering triaxial stress path involves an increase in maximum principal stress, constant intermediate principal stress, and a decrease in minimum principal s
Externí odkaz:
https://doaj.org/article/57b1b13bb5d64d9e964ee4d20b2f5f6d
Publikováno v:
Lithosphere, Vol 2022, Iss Special 11 (2022)
AbstractRoof fall in phosphate mines seriously endangers the safety of the mining activity. In this paper, the risk of roof fall occurring in phosphate mines is evaluated using the underground phosphate mine in Shanshuya, China, as an engineering bac
Externí odkaz:
https://doaj.org/article/c537888ccd494acc9e1738954363cf71
Publikováno v:
Frontiers in Environmental Science, Vol 10 (2022)
With the increasing global demand for clean and renewable energy sources, many underground hydropower caverns are built in deep mountain valleys in high-stress regions. The evolution of the mechanical properties of the surrounding rock of underground
Externí odkaz:
https://doaj.org/article/af3e1a208f674e97827312d95f944017