Zobrazeno 1 - 10
of 285
pro vyhledávání: '"Existing tunnel"'
Autor:
Ruihan Li, Jiamei Zhou, Qingsong Qin, Song Yuan, Kaiqi Cui, Feixiang Yue, Songke Song, Zhibin Xue
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Due to the ability to utilize the strength of the surrounding rock to enhance bearing capacity, tunnel-type anchorages have been consistently utilized in suspension bridges. Nevertheless, a close interaction occurs between the tunnel and the
Externí odkaz:
https://doaj.org/article/bfc84394f6a346e9abc5f67be2feb80b
Publikováno v:
Underground Space, Vol 15, Iss , Pp 76-89 (2024)
Current studies on blasting construction of small clear-distance tunnels have not considered the impact of existing tunnel lining defects when establishing safety controls. This paper offers a series of study results based on the blasting project of
Externí odkaz:
https://doaj.org/article/afbdeff5c23a417dbde2c94644f2b4cf
Publikováno v:
Buildings, Vol 14, Iss 7, p 2246 (2024)
With the advancement of urban underground space networks, there has been a rise in foundation pit projects near existing tunnels. The construction of these foundation pits adjacent to existing tunnels can result in soil disturbance and stress redistr
Externí odkaz:
https://doaj.org/article/8fffc227665f42d0b68b1dbf2de2d6c2
Autor:
Tam Nguyen Trong, Hung Nguyen Van
Publikováno v:
International Journal for Computational Civil and Structural Engineering, Vol 20, Iss 1 (2024)
In the realm of urban construction employing excavation techniques, safeguarding existing underground structures from detrimental consequences arising from surface construction operations poses a formidable challenge. The reduction of loads due to ex
Externí odkaz:
https://doaj.org/article/42eeb902803240eca6443cb386fffae5
Publikováno v:
Mathematics, Vol 12, Iss 10, p 1479 (2024)
The existing tunnel structure, the new underpass tunnel structure and the rock strata in the area of influence of the crossover tunnel are interacting systems that are affected by various factors, such as dynamic and static excavation loads and dynam
Externí odkaz:
https://doaj.org/article/71e89950bd064b01acd5d64ee4c29ec0
Publikováno v:
Underground Space, Vol 7, Iss 6, Pp 1125-1138 (2022)
Tunnel excavation below existing tunnels produces ultimate and serviceability problems to the existing tunnels. The behaviours of induced stresses on the existing tunnels haven't yet been fully recognized. In this study, a centrifuge model test was a
Externí odkaz:
https://doaj.org/article/fb20ef5afa664dc8ac845f2d58d4174f
Publikováno v:
Underground Space, Vol 7, Iss 5, Pp 812-832 (2022)
This study presents the construction of a river channel and a bridge adjacent to existing metro tunnels in Changzhou. The influence of simultaneous construction on these existing tunnels was investigated via 3D numerical modelling to predict tunnel d
Externí odkaz:
https://doaj.org/article/ed2014785de74aae8a48e9677ab507b8
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 102 (2023)
The dewatering of foundation pits leads to changes in the water level and effective stress within the surrounding strata. When existing tunnels are present within the dewatering influence zone, the impact of dewatering on these tunnels cannot be igno
Externí odkaz:
https://doaj.org/article/f739bb141371409b8c6ae37ae2dde401
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