Results 11 to 20 of about 4,387,415 (290)

Deformation Stability Response of Adjacent Subway Tunnels considering Excavation and Support of Foundation Pit [PDF]

open access: yesLithosphere, 2022
Since the safety and stability of the original tunnel structure are easily affected by the adjacent foundation pit excavation, it is strongly necessary to study the deformation evolution of tunnels during the adjacent foundation pit excavation.
Baohua Liu   +4 more
doaj   +2 more sources

Displacement Monitoring during the Excavation and Support of Deep Foundation Pit in Complex Environment

open access: yesAdvances in Civil Engineering, 2021
Taking a super large deep foundation pit project as an example, the horizontal displacement of crown beam and driveway, surface settlement, axial force of anchor cable, and underground water level in the construction process of the foundation pit are ...
Zhouqiang Li
doaj   +2 more sources

Research and Application of Anti-floating Schemes of Deep Foundation Pit of Subway for Underwater Excavation and underwater concrete sealing [PDF]

open access: yesE3S Web of Conferences, 2020
To implement deep foundation pit of subway construction with underground continuous wall adopting underwater excavation and waterproofing concrete bottom sealing curtain, the depth of bottom concrete must first meet the anti-floating requirements of the ...
Luo Sheng
doaj   +2 more sources

Effect Analysis of Excavation and Unloading of Deep Foundation Pit in Soft Soil Stratum on Pile Foundation of Underground Station

open access: yesChengshi guidao jiaotong yanjiu
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 pit ...
LU Yuhe   +3 more
doaj   +2 more sources

Case Study on the Deformation Coupling Effect of a Deep Foundation Pit Group in a Coastal Soft Soil Area

open access: yesApplied Sciences, 2022
Simultaneous construction of adjacent projects may lead to emergencies in a foundation pit group, which significantly affects the deformation and safety of foundation pits. In this study, the deformation characteristics of a deep foundation pit group and
Shangrong Chen, Jifei Cui, Fayun Liang
doaj   +2 more sources

In-Situ Monitoring and Numerical Analysis of Deformation in Deep Foundation Pit Support: A Case Study in Taizhou

open access: yesApplied Sciences, 2023
With the increasing prevalence of deep foundation pit projects in modern urban construction, the deformation control of the associated support structures is crucial to ensuring construction safety.
Junding Liu   +8 more
doaj   +2 more sources

Numerical Analysis of the Influence of Deep Foundation Pit Construction on Adjacent Subway Stations in Soft Soil Areas

open access: yesAdvances in Civil Engineering, 2022
Deep foundation pit construction adjacent to a subway station in a soft soil area was numerically simulated with Midas GTS NX calculation software. The influence of the deep foundation pit construction on the deformation and stress of the subway station ...
Tao Yang   +5 more
doaj   +2 more sources

Analysis of Lateral Displacement Law of Deep Foundation Pit Support in Soft Soil Based on Improved MSD Method

open access: yesAdvances in Civil Engineering, 2021
Foundation pit envelope and foundation pit excavation solution design is a multidisciplinary problem that could be linked to a series of safety issues in the geotechnical engineering of an actual construction project.
Gang Lei, Xiaonan Gong
doaj   +2 more sources

Fluid-Solid Coupling Effect on Numerical Simulation of Deep Foundation Pit Deformation in Soft Soil Area

open access: yesApplied Sciences, 2022
Groundwater is abundant in soft soil areas, which has a significant impact on the excavation deformation of foundation pits. In this paper, based on the monitoring of deep foundation pits with waterproof curtains in Shanghai deep foundation pits, COMSOL ...
Yu Zhang   +4 more
doaj   +2 more sources

Interaction Analysis of the Synchronous Excavations of Deep Foundation Pit and Adjacent Underground Channel

open access: yesBuildings
Based on FLAC3D finite element analysis and field measurements, this paper studies the synchronous excavation of the deep foundation pit and the adjacent underground channel in the 17th section of the Beijing Metro Line 10 Phase II project.
Hai Zhong   +4 more
doaj   +2 more sources

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