Results 11 to 20 of about 3,351 (295)

Safety Resilience Evaluation of Deep Foundation Pit Construction Based on Extension Cloud Model

Buildings
Deep foundation pit construction faces significant safety challenges—including frequent accidents and severe disaster consequences—due to inherent complexity and uncertainty.
Xiaojian Guo, Jiayi Mao, Luyun Wang, Jianglin Gu   +3 more
doaj   +2 more sources

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

Chengshi 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, ZHU Haixing, DING Chunlin, LI Guiying   +3 more
doaj   +2 more sources

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

Advances 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

Combined Application of Optical Fibers and CRLD Bolts to Monitor Deformation of a Pit-in-Pit Foundation

Advances in Civil Engineering, 2019
“Pit-in-pit” foundations, where the overall pit is divided into inner and outer pits, present a wide range of engineering problems and yet have received little detailed study.
Chun Zhu, Kai Zhang, Huan Cai, Zhigang Tao, Bo An, Manchao He, Xing Xia, Jiankang Liu   +7 more
doaj   +2 more sources

Reliability Analysis of Deep Foundation Pit Using the Gaussian Copula-Based Bayesian Network

Mathematics
Urban underground space development has heightened concerns over the safety of deep foundation pit construction. This study conducted time-series monitoring of critical safety-influencing factors and applied the Gaussian copula-based Bayesian network ...
Bin Tan, Qiyuan Peng
doaj   +2 more sources

Multi-Stage and Multi-Parameter Influence Analysis of Deep Foundation Pit Excavation on Surrounding Environment

Buildings
As urbanization accelerates, deep excavation projects have become increasingly vital in the construction of high-rise buildings and underground facilities. However, the potential risks to the surrounding environment and the inherent complexities involved
Dunqing Li, Feng Liao, Lixin Wang, Jianfu Lin, Junfang Wang   +4 more
doaj   +2 more sources

Development and Field Analysis of a Novel Servo Concrete Bracing System for Deep Foundation Pit Excavation

Buildings
This study demonstrates the design and field implementation of an innovative servo concrete bracing system in foundation pit excavation. The bracing system comprises concrete struts, revised purlins, and hydraulic jacks, and its field performance is ...
Shaochun Wang, Lei Xu, Xuehui Zhang, Luyuan Long, Xiaoying Zhuang   +4 more
doaj   +3 more sources

Study on the Impact of Deep Foundation Pit Construction on Nearby Elevated Structures—Case Study

Buildings
Urbanization and population concentration in China’s major cities drive high land utilization demands, affecting nearby bridges during underground construction.
Junzhou Huang, Jun Yan, Kai Guo, Xingyue Yang, Sheng Peng, Cai Wu   +5 more
doaj   +2 more sources

Study of Improved Grey BP (Back Propagation) Neural Network Combination Model for Predicting Deformation in Foundation Pits

Buildings, 2023
Deep excavation engineering is a comprehensive discipline that involves multiple fields such as engineering geology, hydrogeology, and foundation engineering.
Xu Ouyang, Jianwei Nie, Xian Xiao
doaj   +1 more source

Analysis on Deep Foundation Pit Support Construction Technology in Construction Engineering

, 2022
Deep foundation pit support construction is very important. The effect of support has an important impact on the quality and construction safety of the building in engineering construction.
She, Guanting; Hefei University of Technology
core   +1 more source