Zobrazeno 1 - 10
of 540
pro vyhledávání: '"Artificial ground freezing"'
Autor:
Mikhail А. Semin, Lev Yu. Levin
Publikováno v:
Записки Горного института, Vol 268, Pp 656-668 (2024)
The study delves into the elastoplastic deformation of a frozen wall (FW) with an unrestricted advance height, initially articulated by S.S.Vyalov. It scrutinizes the stress and displacement fields within the FW induced by external loads across vario
Externí odkaz:
https://doaj.org/article/5280b2cf4b2543d6bf9fab771b9cf435
Publikováno v:
Geotechnics, Vol 4, Iss 3, Pp 718-741 (2024)
Artificial ground freezing (AGF) has emerged as a prominent treatment method due to its ability to mechanically strengthen the soil while reducing its permeability. However, its implementation has raised concerns about its impact, particularly with r
Externí odkaz:
https://doaj.org/article/ef6ee0b907c04bd5bd3263066055e077
Publikováno v:
Fracture and Structural Integrity, Vol 18, Iss 69, Pp 106-114 (2024)
The article describes the results of laboratory studies on the unfrozen water content and ultimate long-term strength of frozen clay and chalk samples in the temperature range from -10 to -25 �C. The soil samples contained dissolved salt in the por
Externí odkaz:
https://doaj.org/article/18caee699c054dc89f77b510fd9eb72a
Publikováno v:
Frontiers in Built Environment, Vol 10 (2024)
Since Artificial ground Freezing (AGF) appeared in the 1880s in the mining sector in Europe, it has been used for various construction applications worldwide. In recent years, it has been increasingly popular in urban projects due to its versatility
Externí odkaz:
https://doaj.org/article/1451a49573d84c89bcbc2ae89d0fbf14
Publikováno v:
International Journal of Mining Science and Technology, Vol 34, Iss 5, Pp 643-654 (2024)
Current practice of underground artificial ground freezing (AGF) typically involves huge refrigeration systems of large economic and environmental costs. In this study, a novel AGF technique is proposed deploying available cold wind in cold regions.
Externí odkaz:
https://doaj.org/article/b1e43e92307646399b7eed4f79be5e06
Publikováno v:
Applied Sciences, Vol 14, Iss 22, p 10167 (2024)
In order to study the development law of the irregular hole freezing temperature field, combined with the shield solution project of the Nanjing Water Supply Corridor, the distribution characteristics and influencing factors of the irregular freezing
Externí odkaz:
https://doaj.org/article/67d6a0ea38bf487597950628a04838de
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7106 (2024)
In this paper, the freezing and strengthening project of the Sanya estuary tunnel is analyzed, which is facilitated by the use of the partial differential equation (PDE) module in COMSOL Multiphysics software. The solid–liquid ratio is utilized as
Externí odkaz:
https://doaj.org/article/50dd9ed43cf54312b403f04bc38932b7
Autor:
Yongheng Liu, Ji Chen, Chuanglu Wang, Youqian Liu, Shouhong Zhang, Tianchun Dong, Yaojun Zhao, Juncheng Wang, Xi Wang, Xin Hou
Publikováno v:
Case Studies in Thermal Engineering, Vol 54, Iss , Pp 103935- (2024)
Hybrid two-phase closed thermosyphon (TPCT) artificial ground freezing technique is an effective cooling strategy adaptable to different geological and meteorological conditions in permafrost regions. Previous studies have focused on the feasibility
Externí odkaz:
https://doaj.org/article/8ac562ab76ea432c9212f31e38e3f6a2
Publikováno v:
Cleaner Engineering and Technology, Vol 18, Iss , Pp 100710- (2024)
Artificial ground freezing during mine shaft construction is a costly endeavor. For effective decision-making in mining operations, it's essential to establish robust control over frozen soil conditions. This control holds paramount importance for en
Externí odkaz:
https://doaj.org/article/c122dc55889742e38b44f8e05eb70112
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4220 (2024)
The advancement of massive construction in urban subway projects contributes to the increased use of the artificial ground freezing (AGF) method in the construction of cross passages due to its reliability and environmental friendliness. However, the
Externí odkaz:
https://doaj.org/article/d0720445e6cb49698311cf0564e02071