Results 31 to 40 of about 4,387,415 (290)

Current situation of the sluice foundation pit excavation project.

open access: yes, 2023
a) Layout of the sluice foundation pit. b) Deep sliding occurred in the soil which damaged part of the pile foundation in the sluice chamber, when the site experienced excavation by using tube well, light well point, and open ditch dewatering ...
Wenjin Li (151495)   +3 more
core   +1 more source

Influences of excavation of deep foundation pits on deformation of adjacent double-line subway tunnels through measurement analysis

open access: yesYantu gongcheng xuebao, 2023
The excavation and unloading of foundation pits will lead to the deformations of the surrounding soil and the adjacent subway tunnels. The excessive deformation will seriously endanger the safe operation of subway tunnels.
GU Xiaowei 1, YI Zihao 2, WANG Zhe 2, CHANG Kuan 2
doaj   +1 more source

Study on the influence of deep foundation pit excavation on adjacent metro structure

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract The excavation of deep foundation pit will have an adverse impact on the existing adjacent subway structure, which is affected by a series of factors such as subway structure, foundation pit depth and excavation construction process.
Changyi Yu, Jie Long, Mingyue Lu
openaire   +1 more source

Excavation Deformation Analysis of Foundation Pits and Its Influence on Surrounding Buildings

open access: yesRenmin Zhujiang, 2022
With the efficient use of urban space,the construction of new foundation pit projects is becoming more and more difficult,and the research on the excavation deformation of foundation pits and its impact on surrounding buildings is becoming more important.
CHENG Xinyu   +3 more
doaj  

The Analysis of Spatial Effect of Deep Foundation Pit in Soft Soil Areas [PDF]

open access: yes, 2012
The spatial effect is very important to the deep foundation pit excavation, but a lot of things were still unknown about it. The spatial effect of a deep foundation pit in soft soil areas was researched through an engineering project monitoring and ...
Feng, Shilun   +5 more
core   +1 more source

Risk Reduction Measures and Monitoring Analysis of Deep Foundation Pit with Water in a Metro Station in Hefei

open access: yes, 2023
The construction of an urban metro will inevitably involve deep excavation. Risk assessment before deep excavation, risk reduction measures, and real-time monitoring during excavation can effectively ensure the safety of deep excavation.
Jun Zhang, Dengqun Wang, Shuaihua Ye
core   +1 more source

Research on Damage Repair and Reinforcement of Deep Foundation Pit Support Structure Based on Fractal Dimension Theory

open access: yesChemical Engineering Transactions, 2017
Foundation pit engineering refers to the excavation in the ground below the underground space and its supporting support system. The foundation pit support is used to ensure the excavation of the foundation pit, the smooth construction of the foundation ...
Jun Li, Feng Jin, Yongzheng Ma
doaj   +1 more source

Deformation Characteristics of a Deep Subway Foundation Pit in Hard Rock Strata under a Delayed Supporting Condition

open access: yesShock and Vibration, 2023
In this investigation, deformations of a deep foundation pit in hard rock strata, respectively, under delayed and in-time supporting schemes of one-layer transverse reinforced concrete bracings at the top of the foundation pit, one-layer steel bracings ...
Yang Li   +5 more
doaj   +1 more source

Reinforcement Effect of Horizontal Bottom Sealing of Deep Foundation Pit in Water-rich and Deep Sand Layer

open access: yesTaiyuan Ligong Daxue xuebao, 2022
For deep foundation pit with rich water and deep sand layer, construction safety problems such as water and sand gushing may occur during excavation.
Zhuo SHANG   +3 more
doaj   +1 more source

Design And Implementation of Simultaneous Soil Excavation of Adjacent Deep Foundation Pits

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract The horizontal distance between two adjacent deep foundation pits in soft soil area is about twice the excavation depth. After the two foundation pits are designed and monitored throughout, the inclination data of each foundation pit is analyzed and it is found that the mutual influence is small.
openaire   +1 more source

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