Results 11 to 20 of about 2,105,983 (295)

The Application of Foundation Pit Monitoring Technology to the Excavation

open access: yesMATEC Web of Conferences, 2015
The foundation pit monitoring plays an important role in the foundation pit supporting projects especially in those deep foundation pit projects. Through the whole monitoring of the foundation pit construction from the excavation to the backfill, we can ...
Qiu Jin, Li Fei
doaj   +2 more sources

Influence of external pit width on passive earth pressure under pit-in-pit condition

open access: yes地质科技通报, 2023
Engineering practice shows that the width of the external foundation pit and the pit in the pit will have a influence on the ways of formation process of the slip surface at the bottom of the foundation pit.Thus, Rankine earth pressure theory based on ...
Jingjie Pan   +4 more
doaj   +2 more sources

Influence Law of Foundation Pit Excavation on Stress of Surrounding Tunnel Bolt

open access: yesApplied Sciences, 2022
Due to the existence of a tunnel next to the foundation pit, the soil surrounding the foundation pit deforms into the foundation pit due to the excavation unloading during the process of foundation pit excavation, which causes the deformation of the ...
Shengbin Hu   +9 more
doaj   +2 more sources

Effects of Pit-Bottom-Soil Reinforcement on the Deformation of Subway Deep Foundation Pits Based on an Improved Model

open access: yesAdvances in Materials Science and Engineering, 2022
Reinforcement of pit bottom soil has been utilized in subway deep foundation-pit engineering in soft-soil areas. This study proposes an improved foundation-pit excavation model to better investigate the effect of soil reinforcement at the bottom of a pit
Yan Wang, Fei Zhang
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

Study on the Impact of Foundation Pit Precipitation on Neighboring CFG Pile Composite Foundation [PDF]

open access: yes, 2023
The numerical simulation was used to examine the impacts of pit precipitation and the presence or absence of waterproof curtain on the CFG pile composite foundation near to the under-construction pit, and the following primary results were reached.
Fenting Lu, Lu Fenting
core   +1 more source

Deformation rule of bored pile & steel support for deep foundation pit in sandy pebble geology [PDF]

open access: yes, 2023
Regarding the whole excavation process of the support system of the Southwest Jiaotong University Station of Chengdu Metro Line 6 (the deep foundation pit bored pile + steel support and support system) as the engineering background, this paper ...
Cheng, Xuansheng   +5 more
core   +1 more source

Research on Influence of Deep Foundation Pit Excavation and Dewatering on Pile Foundation of Railway Bridge [PDF]

open access: yes, 2021
The three-dimensional numerical model of the foundation pit engineering is established, and the fluid-structure coupling method is used to calculate the settlement of the pile foundation of the adjacent railway bridge caused by the excavation and ...
Yu Changyi   +5 more
core   +2 more sources

Normalized time series settlement of foundation pit.

open access: yes, 2023
Normalized time series settlement of foundation pit.
Song Yang (162335)   +3 more
core   +1 more source

Model tests on influences of excavation of foundation pits on bending moment and deformation of pile foundation of adjacent buildings

open access: yesYantu gongcheng xuebao, 2021
Model tests are carried out based on an example of the excavation of an underground foundation pit on Shangfu-Fubei Road in Tianshui City.The horizontal displacement and bending moment of the pile groups during the excavation of the foundation pit are ...
RAN Qi-ren , WANG Xu , WANG Bo-lin , JIANG Dai-jun , ZHANG Yan-jie , LI Jian-dong
doaj   +1 more source

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