Zobrazeno 1 - 10
of 229
pro vyhledávání: '"foundation pit excavation"'
Publikováno v:
Alexandria Engineering Journal, Vol 103, Iss , Pp 251-265 (2024)
The excavation of the pit causes displacement of the surrounding soil, and the excessive deformation causes damage to the existing support structure, which in turn affects the safety of the pit. Reasonable calculation of structural deformation and in
Externí odkaz:
https://doaj.org/article/11bf4d01ed2c4a9498d14c739d8f2f25
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 7, Pp 169-174 (2024)
Objective Construction disturbances from nearby excavation of foundation pit can cause significant deformation of existing stations in operation, thereby affecting the normal operation of trains. Therefore, it is necessary to study the influence of f
Externí odkaz:
https://doaj.org/article/7d9f638c3b3a49ab905bbcbd8b7f37b6
Autor:
ZHANG Haidong
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 7, Pp 146-151 (2024)
Objective When constructing a new tunnel under-passing bridge with open-excavation method, it is crucial to protect the existing pile foundation system within the excavation pit. In the project of South Hubin Road Tunnel under-passing Guangqing Highw
Externí odkaz:
https://doaj.org/article/e3a388d253964f08b7a81081a4711b90
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 6, Pp 131-135 (2024)
Objective In the excavation process of deep foundation pit of underground station in deep soft soil stratum, excavation and unloading of the overlying soil in the pit will obviously impact the previously constructed superlong pile foundation in the p
Externí odkaz:
https://doaj.org/article/1dfa887638b545d8ba35e104f7614934
Publikováno v:
Shuiwen dizhi gongcheng dizhi, Vol 51, Iss 2, Pp 144-154 (2024)
Excavation can induce the settlement deformation of adjacent buried pipeline. Obtaining the deformation is of great significance for evaluating the normal use and safety of pipeline. In this study, based on the elastic foundation beam theory, the cal
Externí odkaz:
https://doaj.org/article/147a0c9934f04b969551e86a85b73e43
Autor:
Fenghua LIU
Publikováno v:
Chengshi guidao jiaotong yanjiu, Vol 27, Iss 3, Pp 49-53 (2024)
[Objective] Simultaneous excavation of double foundation pits will affect the adjacent metro shield tunnel. In order to ensure the stability of the adjacent shield tunnel, it is necessary to monitor and analyze the deformation law of the above tunnel
Externí odkaz:
https://doaj.org/article/83a5d127142f4ebf9746c86a3fdc60b5
Autor:
Qingshan Wang, Minmin Jiang, Dakuo Feng, Hailu Lu, Mengcheng Yao, Anlun Yang, Meng Cao, Zhongyang Ma
Publikováno v:
Buildings, Vol 14, Iss 9, p 2618 (2024)
The excavation of pits will induce the vertical displacement of tunnels and lead to engineering problems. The shape as well as size of a pit, and the complex spatial position relationship between the pit and tunnel will induce different deformation r
Externí odkaz:
https://doaj.org/article/6cde26ea3cdf433abd2b41d73e3c7e13
Publikováno v:
Buildings, Vol 14, Iss 8, p 2541 (2024)
Urbanization and population concentration in China’s major cities drive high land utilization demands, affecting nearby bridges during underground construction. Foundation pit construction alters the internal forces, deformation, and displacement o
Externí odkaz:
https://doaj.org/article/a18ba0dd2096482cb8e5565a29dafa8f
Publikováno v:
Buildings, Vol 14, Iss 4, p 995 (2024)
The intricacies of foundation pit engineering often result in alterations to the surrounding environment, posing potential threats to the safe operation of nearby buildings and pile foundations. This study employs finite element numerical simulation
Externí odkaz:
https://doaj.org/article/d4aa5af706544966991a54b02d166a8e
Publikováno v:
Rock and Soil Mechanics, Vol 43, Iss 8, Pp 2176-2190 (2022)
The shield tunnel is typically simplified as an infinite beam with two free ends in existing analytical models, which are used to calculate the longitudinal deformation of the underlying shield tunnel induced by the excavation of a foundation pit. Ho
Externí odkaz:
https://doaj.org/article/b398d916481e4bdeb147147eb218e24e