Zobrazeno 1 - 10
of 417
pro vyhledávání: '"Xia-ting Feng"'
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 12, Pp 4815-4834 (2024)
The failure phenomenon of thin-layered rock tunnels not only exhibits asymmetric spatial characteristics, but also significant time-dependent characteristics under high in-situ stress, which is attributed to the time-dependent fracture of thin-layere
Externí odkaz:
https://doaj.org/article/72ecc5708da64e2aa2820635bd630243
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 10, Pp 3870-3884 (2024)
To achieve the loading of the stress path of hard rock, the spherical discrete element model (DEM) and the new flexible membrane technology were utilized to realize the transient loading of three principal stresses with arbitrary magnitudes and orien
Externí odkaz:
https://doaj.org/article/0c6f12ef7a40413dadf25b9e3d455f2a
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 9, Pp 3524-3543 (2024)
Deep engineering disasters, such as rockbursts and collapses, are more related to the shear slip of rock joints. A novel multifunctional device was developed to study the shear failure mechanism in rocks. Using this device, the complete shear–defor
Externí odkaz:
https://doaj.org/article/ff697eaac7d7418091f10385386d82b4
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 9, Pp 3365-3377 (2024)
This article introduces a high-power microwave mechanical integrated continuous mining device, which can achieve synchronous cutting of hard rocks by microwave and machinery. The device includes a cutting system, a rotary translation system, a loadin
Externí odkaz:
https://doaj.org/article/9c3b52f5d18c47f18702d20a1b1e6b21
Autor:
Feng Lin, Xia-Ting Feng, Shiping Li, Xiao Hai, Jiuyu Zhang, Xiangxin Su, Tianyang Tong, Jianchun Song
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 6, Pp 1922-1935 (2024)
Microwave-assisted mechanical excavation has great application prospects in mines and tunnels, but there are few field experiments on microwave-assisted rock breaking. This paper takes the Sishanling iron mine as the research object and adopts the se
Externí odkaz:
https://doaj.org/article/d9de5f52915941039bcea32e3d0bfcc9
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 16, Iss 4, Pp 1113-1126 (2024)
Surrounding rocks at different locations are generally subjected to different stress paths during the process of deep hard rock excavation. In this study, to reveal the mechanical parameters of deep surrounding rock under different stress paths, a ne
Externí odkaz:
https://doaj.org/article/1579b386b512409c9fb107fb46f0bda3
Autor:
Xia-Ting Feng, Jiuyu Zhang, Feng Lin, Chengxiang Yang, Shiping Li, Tianyang Tong, Xiangxin Su
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 12, Pp 3163-3172 (2023)
Microwave pre-treatment is considered as a promising technique for alleviating cutter wear. This paper introduces a high-power microwave-induced fracturing system for hard rock. The test system consists of a high-power microwave subsystem (100 kW), a
Externí odkaz:
https://doaj.org/article/965f2e1706934904b385ac57d84fad3f
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 7, Pp 1636-1650 (2023)
The study of clastic rock failure evolution under true triaxial stress is an important research topic; however, it is rarely studied systematically due to the limitation of monitoring technology. In this study, true triaxial compression tests were co
Externí odkaz:
https://doaj.org/article/4278ba817a794ed4a27a3b8f8806d3ec
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 5, Pp 1065-1075 (2023)
The squeezing scenario in deep weak rock tunnels can hinder underground construction. However, due to the limitations of test technologies at hand, the real excavation stress path cannot be mimicked in the laboratory. Thus, the large deformation mech
Externí odkaz:
https://doaj.org/article/6c79554e45fb4153810dd2d8c0f2e66e
Publikováno v:
Journal of Rock Mechanics and Geotechnical Engineering, Vol 15, Iss 1, Pp 102-118 (2023)
In this context, a testing system to understand rock fracturing processes induced by different dynamic disturbances under true triaxial compression was developed. The system is mainly composed of a static loading subsystem, a dynamic loading subsyste
Externí odkaz:
https://doaj.org/article/2c04512868934494bf75e00784348792